.page-news {
  --news-panel-gap: 14px;
  --news-rail: 34px;
  background: var(--bg-night);
  color: var(--text-white);
  font-family: var(--font-body);
  line-height: 1.65;
}

/* ===== Hero 横幅 ===== */
.page-news__hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 440px;
  padding-top: 42px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg-deep);
}
.page-news__hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}
.page-news__hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 38%;
  background: rgba(154, 255, 0, 0.09);
  clip-path: polygon(0 0, 74% 0, 100% 100%, 0 100%);
  z-index: 2;
  pointer-events: none;
}
.page-news__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 20, 38, 0.16) 0%, rgba(6, 20, 38, 0.72) 56%, rgba(6, 20, 38, 0.96) 100%);
  z-index: 1;
}
.page-news__hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 48px 20px 40px;
}
.page-news__hero-panel {
  max-width: 860px;
  padding: 18px 0 6px 20px;
  border-left: 6px solid var(--accent-green);
}
.page-news__hero-panel h1 {
  margin: 0 0 16px;
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(34px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.page-news__lead {
  max-width: 650px;
  margin: 0 0 22px;
  color: var(--text-gray);
  font-size: 17px;
}
.page-news__lead strong {
  color: var(--accent-green);
  font-weight: 700;
}
.page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 标签云快速导航 ===== */
.page-news__quick-nav {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 26px 16px 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news__quick-label {
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--text-gray);
  margin-right: 4px;
}
.page-news__quick-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  color: var(--text-white);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), color var(--transition), transform var(--transition);
}
.page-news__quick-link--round {
  border-radius: 999px;
}
.page-news__quick-link--square {
  border-radius: 2px;
  border-color: rgba(154, 255, 0, 0.45);
}
.page-news__quick-link--orb {
  border-radius: 24px;
  border-color: rgba(255, 108, 0, 0.6);
}
.page-news__quick-link:hover {
  transform: translateY(-2px);
  border-color: var(--accent-green);
  color: var(--accent-green);
}
.page-news__quick-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-gray);
  flex: 0 0 auto;
}
.page-news__quick-dot--green {
  background: var(--accent-green);
}
.page-news__quick-dot--orange {
  background: var(--accent-orange);
}
.page-news__quick-dot--cyan {
  background: var(--accent-cyan);
}

/* ===== 主布局：左侧筛选栏 + 右侧条目流 ===== */
.page-news__layout {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 24px 16px 72px;
}
.page-news__sidebar {
  display: grid;
  gap: var(--news-panel-gap);
  margin-bottom: 26px;
}
.page-news__flow {
  min-width: 0;
}

/* ===== 侧边栏面板 ===== */
.page-news__panel {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
}
.page-news__panel::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 16px;
  height: 16px;
  background: var(--accent-green);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.page-news__panel--orange {
  border-top: 3px solid var(--accent-orange);
}
.page-news__panel--orange::after {
  background: var(--accent-orange);
}
.page-news__panel--compact::after {
  background: rgba(33, 230, 193, 0.35);
}
.page-news__panel-title {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.page-news__panel-note {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--text-gray);
}
.page-news__panel p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--text-gray);
}
.page-news__panel p:last-child {
  margin-bottom: 0;
}

/* ===== 筛选按钮 ===== */
.page-news__filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.page-news__filter-btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-white);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}
.page-news__filter-btn:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
}
.page-news__filter-btn.is-active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--bg-night);
}
.page-news__filter-note {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.6;
}
.page-news__filter-note::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  background: var(--accent-green);
  transform: rotate(45deg);
}

/* ===== 章节 ===== */
.page-news__section {
  scroll-margin-top: calc(var(--header-total) + 12px);
  margin-bottom: 44px;
}
.page-news__section:last-child {
  margin-bottom: 0;
}
.page-news__section .section-heading {
  margin-bottom: 18px;
}

/* ===== 条目卡片 ===== */
.page-news__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: 16px 16px 18px 18px;
  margin-bottom: 14px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-green);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.page-news__item:hover {
  transform: translateY(-3px);
  border-left-color: var(--accent-green);
  background: rgba(154, 255, 0, 0.05);
}
.page-news__item--data {
  border-left-color: var(--accent-orange);
}
.page-news__item--data:hover {
  background: rgba(255, 108, 0, 0.05);
  border-left-color: var(--accent-orange);
}
.page-news__item--season {
  border-left-color: var(--accent-cyan);
}
.page-news__item--season:hover {
  background: rgba(33, 230, 193, 0.05);
  border-left-color: var(--accent-cyan);
}
.page-news__item-thumb {
  position: relative;
  max-width: 260px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-night);
}
.page-news__item-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}
.page-news__item-thumb::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 20px;
  height: 20px;
  background: var(--accent-green);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.page-news__item--data .page-news__item-thumb::after {
  background: var(--accent-orange);
}
.page-news__item--season .page-news__item-thumb::after {
  background: var(--accent-cyan);
}
.page-news__item-body {
  min-width: 0;
}
.page-news__item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news__item-read {
  display: inline-flex;
  align-items: center;
  margin-left: auto;
  color: var(--text-gray);
  font-size: 13px;
  white-space: nowrap;
}
.page-news__item-read::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
}
.page-news__item-title {
  margin: 10px 0 8px;
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0.01em;
}
.page-news__item-desc {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.7;
}
.page-news__item-more {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: 0.06em;
}
.page-news__item--data .page-news__item-more {
  color: var(--accent-orange);
}
.page-news__item--season .page-news__item-more {
  color: var(--accent-cyan);
}

/* ===== 赛季专题标签 ===== */
.page-news .page-news__tag-season {
  background: rgba(33, 230, 193, 0.12);
  border: 1px solid rgba(33, 230, 193, 0.4);
  color: var(--accent-cyan);
}

/* ===== 观察索引地图 ===== */
.page-news__route {
  margin-top: 32px;
}
.page-news__route .route-line {
  margin-bottom: 16px;
}
.page-news__map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-news__route-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-gray);
}
.page-news__route-note a {
  color: var(--accent-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(154, 255, 0, 0.4);
}
.page-news__route-note a:hover {
  color: var(--text-white);
  border-bottom-color: var(--text-white);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 560px) {
  .page-news__map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 680px) {
  .page-news__item--with-thumb {
    grid-template-columns: 176px minmax(0, 1fr);
  }
}

@media (min-width: 880px) {
  .page-news__layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 36px 42px;
    padding: 42px 32px 96px;
  }
  .page-news__sidebar {
    margin-bottom: 0;
    align-content: start;
    position: sticky;
    top: calc(var(--header-total) + 18px);
  }
  .page-news__section {
    position: relative;
    padding-left: var(--news-rail);
  }
  .page-news__section::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-green) 0%, var(--accent-orange) 48%, var(--accent-cyan) 100%);
  }
  .page-news__section::after {
    content: "";
    position: absolute;
    left: -4px;
    top: 20px;
    width: 12px;
    height: 12px;
    background: var(--accent-green);
    transform: rotate(45deg);
  }
  .page-news__item::before {
    content: "";
    position: absolute;
    left: -39px;
    top: 24px;
    width: 10px;
    height: 10px;
    border: 2px solid var(--accent-green);
    background: var(--bg-night);
    transform: rotate(45deg);
  }
  .page-news__item--data::before {
    border-color: var(--accent-orange);
  }
  .page-news__item--season::before {
    border-color: var(--accent-cyan);
  }
  .page-news__item-thumb {
    max-width: none;
  }
}