.page-news {
  --news-gold: #C9A227;
  --news-gold-bright: #E4C761;
  --news-action: #FF6B4A;
  --news-cyan: #3EB4D4;
  --news-card-bg: rgba(18, 33, 66, 0.72);
  --news-card-bg-hover: rgba(24, 42, 82, 0.92);
  --news-border: rgba(255, 255, 255, 0.12);
  --news-text-main: #F0F3FA;
  --news-text-sub: #B0BBD1;
  --news-radius: 16px;
  --news-radius-sm: 10px;
  --news-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  --news-display: "Impact", "Haettenschweiler", "Arial Narrow Bold", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --news-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;
}

.page-news {
  background: linear-gradient(180deg, #0A1428 0%, #0D1B36 55%, #0A1428 100%);
  color: var(--news-text-main);
}

.page-news .container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.page-news .breadcrumb {
  padding-top: 28px;
}

.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 8px;
  font-size: 13px;
  color: var(--news-text-sub);
}

.page-news .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-news .breadcrumb li + li::before {
  content: "/";
  color: rgba(255, 255, 255, 0.35);
  font-family: var(--news-mono);
}

.page-news .breadcrumb a {
  color: var(--news-text-sub);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .breadcrumb a:hover {
  color: var(--news-gold-bright);
}

.page-news .news-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-top: 48px;
  padding-bottom: 56px;
}

.page-news .news-hero__copy h1 {
  font-family: var(--news-display);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.015em;
  margin: 16px 0 20px;
  max-width: 15em;
}

.page-news .news-hero__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--news-text-sub);
  max-width: 42em;
  margin: 0;
}

.page-news .news-hero__meta ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-hero__meta .chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(62, 180, 212, 0.14);
  border: 1px solid rgba(62, 180, 212, 0.35);
  font-size: 13px;
  font-weight: 500;
  color: var(--news-cyan);
}

.page-news .news-hero__meta .chip--gold {
  background: rgba(201, 162, 39, 0.14);
  border-color: rgba(201, 162, 39, 0.4);
  color: var(--news-gold-bright);
}

.page-news .news-hero__meta .chip--orange {
  background: rgba(255, 107, 74, 0.12);
  border-color: rgba(255, 107, 74, 0.4);
  color: var(--news-action);
}

.page-news .news-hero__note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-sub);
}

.page-news .news-hero__note a {
  color: var(--news-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 199, 97, 0.4);
}

.page-news .divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12) 20%, rgba(255, 255, 255, 0.12) 80%, transparent);
}

.page-news .section {
  padding-top: 72px;
  padding-bottom: 72px;
}

.page-news .section--alt {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid var(--news-border);
  border-bottom: 1px solid var(--news-border);
}

.page-news .section-head {
  position: relative;
  margin-bottom: 28px;
}

.page-news .section-kicker {
  font-family: var(--news-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--news-gold-bright);
  margin: 0 0 10px;
}

.page-news .section-title {
  font-family: var(--news-display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0;
  max-width: 16em;
}

.page-news .section-index {
  position: absolute;
  top: -18px;
  right: 0;
  font-family: var(--news-display);
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(201, 162, 39, 0.28);
  letter-spacing: 0.02em;
  pointer-events: none;
  user-select: none;
}

/* 01 最新实操内容 */
.page-news .news-feed__intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--news-text-sub);
  max-width: 46em;
  margin: 0 0 28px;
}

.page-news .news-feed__banner {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--news-radius);
  border: 1px solid var(--news-border);
  box-shadow: var(--news-shadow);
  margin-bottom: 28px;
  object-fit: cover;
}

.page-news .news-feed__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 24px;
  padding: 16px 18px;
  background: rgba(18, 33, 66, 0.5);
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-sm);
}

.page-news .news-filter {
  flex: 1 1 260px;
  background: #0A1428;
  border: 1px solid var(--news-border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--news-mono);
  color: var(--news-text-main);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news .news-filter:focus {
  border-color: var(--news-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
}

.page-news .news-filter::placeholder {
  color: rgba(176, 187, 209, 0.55);
}

.page-news .news-feed__count {
  font-family: var(--news-mono);
  font-size: 13px;
  color: var(--news-text-sub);
  white-space: nowrap;
}

.page-news .news-feed__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .news-card {
  background: var(--news-card-bg);
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  padding: 20px;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .news-card:hover {
  background: var(--news-card-bg-hover);
  transform: translateY(-2px);
  box-shadow: var(--news-shadow);
}

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .news-card__meta .chip {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(62, 180, 212, 0.12);
  border: 1px solid rgba(62, 180, 212, 0.3);
  font-size: 12px;
  font-weight: 500;
  color: var(--news-cyan);
}

.page-news .news-card__meta .chip--gold {
  background: rgba(201, 162, 39, 0.12);
  border-color: rgba(201, 162, 39, 0.32);
  color: var(--news-gold-bright);
}

.page-news .news-card__batch {
  font-family: var(--news-mono);
  font-size: 12px;
  color: rgba(176, 187, 209, 0.7);
}

.page-news .news-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 10px;
  color: var(--news-text-main);
}

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

.page-news .news-card__tag {
  display: inline-block;
  font-family: var(--news-mono);
  font-size: 12px;
  color: var(--news-gold-bright);
  letter-spacing: 0.06em;
}

/* 02 版本更新日志 */
.page-news .news-changelog {
  scroll-margin-top: 24px;
}

.page-news .news-changelog__intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--news-text-sub);
  max-width: 46em;
  margin: 0 0 28px;
}

.page-news .news-changelog__visual {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--news-radius);
  border: 1px solid var(--news-border);
  box-shadow: var(--news-shadow);
  margin-bottom: 36px;
  object-fit: cover;
}

.page-news .news-changelog__timeline {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding-left: 0;
}

.page-news .news-changelog__timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 12px;
  width: 2px;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.55), rgba(62, 180, 212, 0.25), transparent);
}

.page-news .log-entry {
  position: relative;
  background: var(--news-card-bg);
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-sm);
  margin-left: 32px;
}

.page-news .log-entry::before {
  content: "";
  position: absolute;
  top: 18px;
  left: -26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--news-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.22);
}

.page-news .log-entry summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  user-select: none;
}

.page-news .log-entry summary::-webkit-details-marker {
  display: none;
}

.page-news .log-entry summary::after {
  content: "+";
  font-family: var(--news-mono);
  font-size: 18px;
  color: var(--news-gold-bright);
  transition: transform 0.2s ease;
}

.page-news .log-entry[open] summary::after {
  transform: rotate(45deg);
}

.page-news .log-entry__version {
  font-family: var(--news-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--news-gold-bright);
  letter-spacing: 0.02em;
}

.page-news .log-entry__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--news-text-sub);
}

.page-news .log-entry__status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--news-gold);
  box-shadow: 0 0 8px rgba(201, 162, 39, 0.6);
}

.page-news .log-entry__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--news-border);
  padding-top: 14px;
  margin-top: 0;
}

.page-news .log-entry__body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-sub);
  margin: 0 0 12px;
}

.page-news .log-entry__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.page-news .log-entry__body li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--news-text-sub);
}

/* 03 专题系列 */
.page-news .news-series__visual {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--news-radius);
  border: 1px solid var(--news-border);
  box-shadow: var(--news-shadow);
  margin-bottom: 36px;
  object-fit: cover;
}

.page-news .news-series__tabs {
  background: rgba(18, 33, 66, 0.5);
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  padding: 18px;
}

.page-news .tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--news-border);
  padding-bottom: 14px;
}

.page-news .tabs-nav__btn {
  appearance: none;
  border: 1px solid var(--news-border);
  background: transparent;
  color: var(--news-text-sub);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--news-body, "Inter", system-ui, sans-serif);
}

.page-news .tabs-nav__btn:hover {
  border-color: rgba(255, 107, 74, 0.5);
  color: var(--news-text-main);
}

.page-news .tabs-nav__btn.is-active {
  background: var(--news-action);
  border-color: var(--news-action);
  color: #0A1428;
  font-weight: 700;
}

.page-news .tabs-panel[hidden] {
  display: none;
}

.page-news .news-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .series-card {
  background: #0A1428;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-sm);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .series-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

.page-news .series-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-sub);
  margin: 0;
  flex: 1;
}

.page-news .series-card .btn {
  align-self: flex-start;
  font-size: 13px;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid var(--news-border);
  color: var(--news-text-main);
  background: transparent;
  transition: all 0.2s ease;
  font-weight: 600;
}

.page-news .series-card .btn:hover {
  border-color: var(--news-gold);
  color: var(--news-gold-bright);
}

/* 04 内容归档规则 */
.page-news .news-archive {
  scroll-margin-top: 24px;
}

.page-news .news-archive__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .news-archive__copy p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-text-sub);
  margin-top: 0;
}

.page-news .news-archive__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-news .news-archive__list li {
  position: relative;
  padding: 14px 16px 14px 18px;
  background: rgba(18, 33, 66, 0.6);
  border-left: 3px solid var(--news-gold);
  border-radius: 0 var(--news-radius-sm) var(--news-radius-sm) 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-main);
}

.page-news .news-archive__list li strong {
  color: var(--news-gold-bright);
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}

.page-news .news-archive__media {
  display: grid;
  gap: 16px;
}

.page-news .news-archive__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--news-radius);
  border: 1px solid var(--news-border);
  box-shadow: var(--news-shadow);
  object-fit: cover;
}

.page-news .news-archive__note {
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.1), rgba(62, 180, 212, 0.06));
  border: 1px solid rgba(201, 162, 39, 0.28);
  border-radius: var(--news-radius);
  padding: 20px;
}

.page-news .news-archive__note-title {
  font-family: var(--news-display);
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--news-gold-bright);
}

.page-news .news-archive__note p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-sub);
  margin: 0;
}

.page-news .news-archive__note a {
  color: var(--news-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 199, 97, 0.4);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-news .news-archive__note a:hover {
  color: var(--news-action);
  border-bottom-color: var(--news-action);
}

/* 响应式增强 */
@media (min-width: 640px) {
  .page-news .news-feed__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-news .news-archive__layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-news .log-entry__body ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    align-items: end;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .page-news .news-hero__meta {
    justify-self: end;
  }

  .page-news .news-hero__meta ul {
    justify-content: flex-end;
  }

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

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

  .page-news .section {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .page-news .news-changelog__timeline {
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
  }

  .page-news .news-changelog__timeline::before {
    left: 50%;
    margin-left: -1px;
  }

  .page-news .log-entry {
    margin-left: 0;
  }

  .page-news .log-entry:nth-child(odd) {
    padding-right: 24px;
  }

  .page-news .log-entry:nth-child(even) {
    margin-left: 0;
    padding-left: 24px;
  }

  .page-news .log-entry:nth-child(odd)::before {
    left: auto;
    right: -18px;
  }

  .page-news .log-entry:nth-child(even)::before {
    left: -18px;
  }

  .page-news .news-archive__list li {
    padding-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.page-news {
  --news-body: inherit;
}