.page-news {
  --news-accent: #F5C518;
  --news-orange: #FF7A1A;
  --news-line: #1E4B3B;
  --news-panel: #123D2D;
  --news-dark: #071E16;
  --news-bright: #2AB673;
  --news-panel-hover: #164A36;
  background: var(--color-bg, #0B2B1F);
  color: var(--color-white, #F2F8F4);
  font-family: var(--font-body);
  position: relative;
  overflow-x: clip;
}

@keyframes page-news-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 122, 26, .20); }
  50% { box-shadow: 0 0 0 6px rgba(255, 122, 26, .06); }
}

/* ===== HERO 首屏章节预览 ===== */
.page-news .news-hero {
  position: relative;
  padding: 48px clamp(20px, 4vw, 56px) 64px;
  border-bottom: 1px solid var(--news-line);
  background:
    linear-gradient(rgba(30, 75, 59, .32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 75, 59, .32) 1px, transparent 1px),
    radial-gradient(ellipse at 72% 12%, rgba(245, 197, 24, .10), transparent 55%),
    var(--color-bg);
  background-size: 34px 34px, 34px 34px, 100% 100%, 100%;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 5px;
  background: linear-gradient(90deg,
    var(--news-accent) 0, var(--news-accent) 20%,
    transparent 20%, transparent 24%,
    var(--news-orange) 24%, var(--news-orange) 46%,
    transparent 46%, transparent 50%,
    var(--news-accent) 50%, var(--news-accent) 74%,
    transparent 74%);
  opacity: .55;
}

.page-news .news-hero-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  gap: 36px;
}

.page-news .crumb {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--color-text-sub, #A8C3B5);
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.page-news .crumb a {
  color: inherit;
  text-decoration: none;
  transition: color 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .crumb a:hover {
  color: var(--news-accent);
}

.page-news .crumb .crumb-sep {
  color: var(--news-line);
}

.page-news .tag-index {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--news-accent);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-news h1 {
  font-family: var(--font-headline);
  font-size: clamp(34px, 5.2vw, 60px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.06;
  margin: 0 0 18px;
  max-width: 11em;
}

.page-news .news-hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-sub, #A8C3B5);
  max-width: 38em;
  margin: 0 0 28px;
}

.page-news .news-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  border-left: 3px solid var(--news-line);
  background: rgba(18, 61, 45, .55);
  min-width: 108px;
}

.page-news .hero-stat-num {
  font-family: var(--font-data);
  font-size: 24px;
  font-weight: 700;
  color: var(--news-accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.page-news .hero-stat-label {
  font-size: 12px;
  color: var(--color-text-mute, #6F8F80);
  letter-spacing: .06em;
}

.page-news .news-hero-chapters {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .chapters-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--color-text-mute, #6F8F80);
  margin: 0 0 2px;
  text-transform: uppercase;
}

.page-news .hero-chapter {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 18px 18px 18px 16px;
  background: var(--news-panel);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  text-decoration: none;
  color: var(--color-white, #F2F8F4);
  transition: transform 150ms cubic-bezier(.2, .7, .3, 1), background 150ms cubic-bezier(.2, .7, .3, 1), box-shadow 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .hero-chapter:hover {
  transform: translateY(-2px);
  background: var(--news-panel-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
}

.page-news .hero-chapter-index {
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
  color: var(--news-accent);
  line-height: 1.2;
}

.page-news .hero-chapter-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .hero-chapter-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.01em;
}

.page-news .hero-chapter-desc {
  font-size: 13px;
  color: var(--color-text-sub, #A8C3B5);
  line-height: 1.5;
}

/* ===== Section 通用布局 ===== */
.page-news .news-section {
  padding: 60px 0 72px;
  scroll-margin-top: 28px;
  position: relative;
}

.page-news .news-section + .news-section {
  border-top: 1px solid rgba(30, 75, 59, .7);
}

.page-news .news-layout {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
  display: grid;
  gap: 32px;
}

.page-news .news-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-news .news-side::before {
  content: "";
  display: block;
  width: 52px;
  height: 4px;
  background: linear-gradient(90deg, var(--news-accent) 0 58%, var(--news-orange) 58% 100%);
  margin-bottom: 16px;
}

.page-news .side-kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--news-orange);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-news .news-side h2 {
  font-family: var(--font-headline);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.15;
  margin: 0 0 12px;
}

.page-news .side-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-sub, #A8C3B5);
  margin: 0 0 24px;
}

.page-news .section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-news .section-nav-link {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--color-text-mute, #6F8F80);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--news-line);
  transition: color 150ms cubic-bezier(.2, .7, .3, 1), border-color 150ms cubic-bezier(.2, .7, .3, 1), background 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .section-nav-link:hover,
.page-news .section-nav-link.is-active {
  color: var(--news-accent);
  border-left-color: var(--news-accent);
  background: rgba(245, 197, 24, .06);
}

.page-news .news-side-note {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px dashed var(--news-line);
  width: 100%;
}

.page-news .news-side-note p {
  font-size: 13px;
  color: var(--color-text-mute, #6F8F80);
  margin: 0 0 10px;
}

.page-news .news-main {
  min-width: 0;
}

/* ===== 更新日志 ===== */
.page-news .changelog-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .changelog-head .tag-index {
  margin: 0;
}

.page-news .changelog-head-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--news-orange);
}

.page-news .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--news-orange);
  animation: page-news-pulse 2s infinite;
  flex: 0 0 auto;
}

.page-news .changelog-list {
  border-top: 1px solid var(--news-line);
}

.page-news .changelog-item {
  display: grid;
  gap: 10px;
  padding: 26px 0;
  border-bottom: 1px solid var(--news-line);
  position: relative;
  transition: background 150ms cubic-bezier(.2, .7, .3, 1), padding-left 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .changelog-item::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 20px;
  bottom: 20px;
  width: 0;
  background: var(--news-accent);
  transition: width 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .changelog-item:hover {
  padding-left: 12px;
}

.page-news .changelog-item:hover::before {
  width: 3px;
}

.page-news .changelog-date {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--news-accent);
  align-self: start;
  padding: 4px 10px 4px 0;
  border-bottom: 2px solid var(--news-accent);
  display: inline-block;
  white-space: nowrap;
}

.page-news .changelog-body h3 {
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
  margin: 0 0 8px;
}

.page-news .changelog-body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-sub, #A8C3B5);
  margin: 0 0 12px;
  max-width: 56em;
}

.page-news .changelog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .tag-item {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--color-text-sub, #A8C3B5);
  background: rgba(30, 75, 59, .4);
  border: 1px solid rgba(30, 75, 59, .8);
  border-radius: 2px;
  padding: 3px 8px;
  text-decoration: none;
  transition: color 150ms cubic-bezier(.2, .7, .3, 1), border-color 150ms cubic-bezier(.2, .7, .3, 1), background 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news a.tag-item:hover {
  color: var(--news-accent);
  border-color: var(--news-accent);
  background: rgba(245, 197, 24, .08);
}

.page-news .changelog-wave {
  margin-top: 28px;
  padding: 10px;
  background: var(--news-dark);
  border: 1px solid var(--news-line);
}

.page-news .changelog-wave img {
  width: 100%;
  height: auto;
  display: block;
  opacity: .85;
}

/* ===== 赛季专题 ===== */
.page-news .topics-hero {
  margin-bottom: 28px;
  border: 1px solid var(--news-line);
  background: var(--news-dark);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

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

.page-news .topics-grid {
  display: grid;
  gap: 20px;
}

.page-news .topic-card {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(245, 197, 24, .05) 0, transparent 32%),
    var(--news-panel);
  border: 1px solid rgba(30, 75, 59, .8);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform 150ms cubic-bezier(.2, .7, .3, 1), box-shadow 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .topic-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 0 rgba(0, 0, 0, .25);
}

.page-news .card-index {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--news-accent);
  opacity: .7;
}

.page-news .topic-card-copy .tag-index {
  margin-bottom: 6px;
}

.page-news .topic-card-copy h3 {
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 0 0 10px;
}

.page-news .topic-card-copy p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-sub, #A8C3B5);
  margin: 0 0 14px;
}

.page-news .topic-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .data-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .03em;
  padding: 4px 10px;
  color: var(--color-white, #F2F8F4);
  background: rgba(7, 30, 22, .6);
  border-left: 3px solid var(--news-accent);
}

.page-news .topic-card-img img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(30, 75, 59, .8);
  object-fit: cover;
}

/* ===== 数据维度解读 ===== */
.page-news .dimension-intro {
  display: grid;
  gap: 24px;
  margin-bottom: 40px;
  padding: 24px;
  background: var(--news-dark);
  border: 1px solid var(--news-line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-news .dimension-intro-copy h3 {
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 12px;
}

.page-news .dimension-intro-copy p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-sub, #A8C3B5);
  margin: 0 0 18px;
}

.page-news .dimension-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .chamfer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--color-white, #F2F8F4);
  text-decoration: none;
  padding: 10px 18px;
  background: var(--news-panel);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background 150ms cubic-bezier(.2, .7, .3, 1), color 150ms cubic-bezier(.2, .7, .3, 1), transform 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .chamfer-btn:hover {
  transform: translateY(-1px);
  background: var(--news-panel-hover);
}

.page-news .chamfer-btn--primary {
  background: var(--news-accent);
  color: #071E16;
}

.page-news .chamfer-btn--primary:hover {
  background: #FFD95A;
  color: #071E16;
}

.page-news .dimension-intro-img img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--news-line);
  object-fit: cover;
}

.page-news .dimension-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-news .dimension-card {
  position: relative;
  padding: 16px 14px 14px;
  background: rgba(18, 61, 45, .5);
  border: 1px solid rgba(30, 75, 59, .8);
  border-left: 3px solid var(--news-line);
  transition: border-color 150ms cubic-bezier(.2, .7, .3, 1), background 150ms cubic-bezier(.2, .7, .3, 1), transform 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .dimension-card:hover {
  border-left-color: var(--news-accent);
  background: rgba(18, 61, 45, .8);
  transform: translateY(-2px);
}

.page-news .dimension-num {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  color: var(--news-accent);
  margin-bottom: 8px;
}

.page-news .dimension-card h4 {
  font-family: var(--font-headline);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 6px;
}

.page-news .dimension-card p {
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-sub, #A8C3B5);
  margin: 0;
}

.page-news .dimension-note {
  margin-top: 32px;
  padding: 16px 18px;
  border-left: 3px solid var(--news-orange);
  background: rgba(255, 122, 26, .06);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-sub, #A8C3B5);
}

.page-news .dimension-note a {
  color: var(--news-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 150ms cubic-bezier(.2, .7, .3, 1);
}

.page-news .dimension-note a:hover {
  color: var(--news-orange);
}

/* ===== 桌面端响应式 ===== */
@media (min-width: 760px) {
  .page-news .changelog-item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-news .topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .topic-card:first-child {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px;
    align-items: center;
  }

  .page-news .topic-card:first-child .topic-card-copy {
    padding-right: 8px;
  }

  .page-news .dimension-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .dimension-intro {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 32px;
    align-items: center;
    padding: 28px 32px;
  }
}

@media (min-width: 1100px) {
  .page-news .dimension-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-hero-inner {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 64px;
    align-items: center;
  }

  .page-news .news-hero-copy {
    padding-right: 20px;
  }

  .page-news .news-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 44px;
  }

  .page-news .news-side {
    position: sticky;
    top: 28px;
    align-self: start;
    height: fit-content;
    padding-right: 32px;
    border-right: 1px solid rgba(30, 75, 59, .8);
  }

  .page-news .section-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .page-news .section-nav-link {
    border: 0;
    border-left: 3px solid var(--news-line);
    border-radius: 0;
    padding: 7px 10px;
  }

  .page-news .news-main {
    border-left: 1px solid rgba(30, 75, 59, .6);
    padding-left: 28px;
  }

  .page-news .news-section {
    padding: 88px 0 96px;
  }

  .page-news .changelog-body p {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: background 150ms cubic-bezier(.2, .7, .3, 1);
  }

  .page-news .changelog-item:hover .changelog-body p,
  .page-news .changelog-item:focus-within .changelog-body p {
    -webkit-line-clamp: 10;
    overflow: visible;
  }

  .page-news .changelog-item:focus-within {
    outline: 2px solid rgba(245, 197, 24, .4);
    outline-offset: 4px;
  }
}