/* ===== 新闻中心页面专属样式 ===== */
.page-news {
  background: var(--jn-cream);
}

/* ---------- 页面头部 ---------- */
.page-news__intro {
  background: var(--jn-navy);
  color: var(--jn-cream);
  position: relative;
  overflow: hidden;
  padding: 44px 0 60px;
}
.page-news__intro::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 86% 18%, rgba(201, 162, 39, 0.24), transparent 42%),
    radial-gradient(circle at 12% 82%, rgba(214, 69, 65, 0.16), transparent 40%);
}
.page-news__intro::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--jn-gold) 0%, var(--jn-white) 50%, var(--jn-red) 100%);
}
.page-news__intro .jn-container {
  position: relative;
  z-index: 1;
}
.page-news__intro .jn-breadcrumb a {
  color: var(--jn-light-gold);
}
.page-news__intro .jn-breadcrumb__sep {
  color: rgba(247, 243, 234, 0.5);
}
.page-news__intro .jn-breadcrumb [aria-current] {
  color: var(--jn-white);
}
.page-news__kicker {
  display: inline-block;
  font-family: var(--jn-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--jn-gold);
  border: 1px solid rgba(201, 162, 39, 0.5);
  padding: 6px 14px;
  border-radius: var(--jn-radius-pill);
  margin-bottom: 24px;
}
.page-news__intro h1 {
  font-family: var(--jn-font-heading);
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--jn-white);
  margin-bottom: 20px;
  max-width: 12em;
}
.page-news__lead {
  font-family: var(--jn-font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.85);
  max-width: 40em;
  margin-bottom: 32px;
}
.page-news__lead strong {
  color: var(--jn-gold);
  font-weight: 600;
}
.page-news__quicknav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.page-news__quicknav span {
  font-family: var(--jn-font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--jn-light-gold);
  margin-right: 4px;
}
.page-news__quicknav a {
  font-family: var(--jn-font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--jn-white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: var(--jn-radius-pill);
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.page-news__quicknav a:hover {
  background: var(--jn-gold);
  border-color: var(--jn-gold);
  color: var(--jn-navy);
}

/* ---------- 区块通用 ---------- */
.page-news__block-lead {
  font-family: var(--jn-font-body);
  color: var(--jn-gray);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 38em;
  margin-bottom: 28px;
}

/* ---------- 01 平台动态 ---------- */
.page-news__updates {
  background: var(--jn-cream);
}
.page-news__updates-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
.page-news__updates-hero {
  width: 100%;
  height: auto;
  border-radius: var(--jn-radius-lg);
  box-shadow: var(--jn-shadow);
  margin: 4px 0 28px;
}
.page-news__tabs .jn-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}
.page-news__tabs .jn-tabs__btn {
  font-family: var(--jn-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--jn-radius-pill);
  border: 1px solid var(--jn-gold);
  background: var(--jn-white);
  color: var(--jn-navy);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.page-news__tabs .jn-tabs__btn:hover {
  background: rgba(201, 162, 39, 0.12);
}
.page-news__tabs .jn-tabs__btn[aria-selected="true"],
.page-news__tabs .jn-tabs__btn.is-active {
  background: var(--jn-gold);
  border-color: var(--jn-gold);
  color: var(--jn-navy);
  box-shadow: 0 4px 14px rgba(201, 162, 39, 0.3);
}
.page-news__tabs .jn-tabs__panel[hidden] {
  display: none;
}

/* 时间线 */
.page-news__timeline {
  position: relative;
  margin-top: 28px;
}
.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--jn-gold), var(--jn-light-gold), transparent);
}
.page-news__timeline-item {
  position: relative;
  padding: 0 0 30px 34px;
}
.page-news__timeline-item:last-child {
  padding-bottom: 4px;
}
.page-news__timeline-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--jn-cream);
  border: 3px solid var(--jn-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
}
.page-news__timeline-time {
  display: inline-block;
  font-family: var(--jn-font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--jn-gold);
  background: rgba(201, 162, 39, 0.1);
  padding: 3px 10px;
  border-radius: var(--jn-radius-pill);
  margin-bottom: 10px;
}
.page-news__timeline-body h3 {
  font-family: var(--jn-font-heading);
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--jn-heading);
  margin-bottom: 8px;
}
.page-news__timeline-body p {
  font-family: var(--jn-font-body);
  font-size: 0.92rem;
  color: var(--jn-gray);
  line-height: 1.75;
  margin-bottom: 14px;
}
.page-news__timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.page-news__timeline-meta .jn-btn {
  text-decoration: none;
}

/* 侧栏 */
.page-news__side-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-news__side-card {
  background: var(--jn-white);
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius-lg);
  box-shadow: var(--jn-shadow);
  padding: 22px;
}
.page-news__side-card h3 {
  font-family: var(--jn-font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: var(--jn-heading);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--jn-line);
}
.page-news__side-index ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.page-news__side-index li + li {
  border-top: 1px dashed var(--jn-line);
}
.page-news__side-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 2px;
  font-family: var(--jn-font-body);
  font-size: 0.9rem;
  color: var(--jn-gray);
  text-decoration: none;
  transition: color 0.25s ease;
}
.page-news__side-index a:hover {
  color: var(--jn-gold);
}
.page-news__side-index span {
  font-family: var(--jn-font-heading);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--jn-gold);
  flex-shrink: 0;
}
.page-news__side-stats dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 12px;
  margin: 0;
}
.page-news__side-stats dt {
  font-family: var(--jn-font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--jn-muted);
}
.page-news__side-stats dd {
  font-family: var(--jn-font-heading);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--jn-navy);
  margin: 4px 0 0;
  line-height: 1.2;
}
.page-news__side-links a {
  display: block;
  font-family: var(--jn-font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--jn-navy);
  text-decoration: none;
  padding: 10px 14px;
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius);
  margin-top: 10px;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.page-news__side-links a:hover {
  border-color: var(--jn-gold);
  background: rgba(201, 162, 39, 0.08);
  color: var(--jn-gold);
}
.page-news__vertical-note {
  writing-mode: vertical-rl;
  font-family: var(--jn-font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--jn-gold);
  align-self: flex-end;
  margin-top: 2px;
}

/* ---------- 02 版本历史 ---------- */
.page-news__versions {
  background: var(--jn-white);
  border-top: 4px solid var(--jn-light-gold);
  border-bottom: 4px solid var(--jn-light-gold);
}
.page-news__version-list {
  position: relative;
  margin-top: 30px;
}
.page-news__version-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--jn-gold), var(--jn-light-gold));
}
.page-news__version-item {
  position: relative;
  padding: 0 0 28px 34px;
}
.page-news__version-item:last-child {
  padding-bottom: 4px;
}
.page-news__version-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--jn-white);
  border: 3px solid var(--jn-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}
.page-news__version-badge {
  display: inline-block;
  font-family: var(--jn-font-heading);
  font-weight: 900;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--jn-navy);
  background: var(--jn-cream);
  border: 1px solid var(--jn-gold);
  padding: 4px 14px;
  border-radius: var(--jn-radius-pill);
  margin-bottom: 10px;
}
.page-news__version-body h3 {
  font-family: var(--jn-font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--jn-heading);
  margin-bottom: 8px;
}
.page-news__version-body p {
  font-family: var(--jn-font-body);
  font-size: 0.9rem;
  color: var(--jn-gray);
  line-height: 1.72;
  margin-bottom: 8px;
}
.page-news__version-img {
  width: 100%;
  height: auto;
  border-radius: var(--jn-radius-lg);
  box-shadow: var(--jn-shadow);
  margin-top: 34px;
}

/* ---------- 03 专题文章 ---------- */
.page-news__special {
  background: var(--jn-navy);
  color: var(--jn-cream);
}
.page-news__special .jn-section__head h2 {
  color: var(--jn-white);
}
.page-news__special .jn-section__num {
  color: var(--jn-gold);
}
.page-news__special .page-news__block-lead {
  color: rgba(247, 243, 234, 0.75);
}
.page-news__special-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 28px;
  margin-bottom: 34px;
}
.page-news__special-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--jn-radius-lg);
  padding: 26px 24px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.page-news__special-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
}
.page-news__special-item--feature {
  border-top: 4px solid var(--jn-gold);
}
.page-news__special-num {
  font-family: var(--jn-font-heading);
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--jn-gold);
  margin-bottom: 12px;
}
.page-news__special-text h3 {
  font-family: var(--jn-font-heading);
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--jn-white);
  margin-bottom: 10px;
}
.page-news__special-text p {
  font-family: var(--jn-font-body);
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(247, 243, 234, 0.78);
  margin-bottom: 16px;
}
.page-news__special-item .jn-btn {
  text-decoration: none;
}
.page-news__special-img {
  width: 100%;
  height: auto;
  border-radius: var(--jn-radius-lg);
  box-shadow: var(--jn-shadow-strong);
}

/* ---------- 04 公告 ---------- */
.page-news__notice {
  background: var(--jn-cream);
}
.page-news__notice-grid {
  align-items: start;
}
.page-news__notice-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-news__notice-item {
  background: var(--jn-white);
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius-lg);
  overflow: hidden;
  box-shadow: var(--jn-shadow);
}
.page-news__notice-item summary {
  font-family: var(--jn-font-heading);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--jn-heading);
  padding: 18px 42px 18px 20px;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: background 0.25s ease;
}
.page-news__notice-item summary::-webkit-details-marker {
  display: none;
}
.page-news__notice-item summary:hover {
  background: rgba(201, 162, 39, 0.06);
}
.page-news__notice-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--jn-font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--jn-gold);
}
.page-news__notice-item details[open] summary::after {
  content: "−";
}
.page-news__notice-item .jn-collapse__body {
  padding: 0 20px 18px;
  font-family: var(--jn-font-body);
  font-size: 0.9rem;
  color: var(--jn-gray);
  line-height: 1.72;
}
.page-news__notice-item .jn-collapse__body a {
  color: var(--jn-gold);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-news__notice-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-news__notice-img {
  width: 100%;
  height: auto;
  border-radius: var(--jn-radius-lg);
  box-shadow: var(--jn-shadow);
}
.page-news__notice-statement {
  font-family: var(--jn-font-body);
  font-size: 0.88rem;
  color: var(--jn-muted);
  line-height: 1.7;
  margin: 0;
  background: rgba(201, 162, 39, 0.08);
  border-left: 3px solid var(--jn-gold);
  padding: 12px 16px;
  border-radius: 0 var(--jn-radius) var(--jn-radius) 0;
}

/* ---------- 滚动渐显动画（渐进增强） ---------- */
.page-news [data-reveal] {
  will-change: opacity, transform;
}
.page-news [data-revealed="true"] {
  animation: jn-page-news-reveal 0.5s ease both;
}
@keyframes jn-page-news-reveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 992px) {
  .page-news__intro {
    padding: 72px 0 88px;
  }
  .page-news__updates-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 56px;
    align-items: start;
  }
  .page-news__side-col {
    position: sticky;
    top: calc(var(--jn-header-h) + 24px);
  }
  .page-news__special-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news__special-item--feature {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: 24px;
    align-items: start;
  }
  .page-news__special-item--feature .page-news__special-num {
    margin-bottom: 0;
  }
  .page-news__special-item--feature .jn-btn {
    margin-top: 2px;
  }
  .page-news__notice-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr);
    gap: 36px;
  }
}