/* ===== 品牌日志 页面专属样式 ===== */
.page-news {
  --log-grid: rgba(46, 74, 122, 0.30);
  --log-panel: #0D2A5C;
  --log-panel-deep: #102A54;
  --log-orange: #FF6A00;
  --log-lime: #A8E10C;
  --log-line: #2E4A7A;
  position: relative;
  overflow: hidden;
  background-color: #0A1F44;
  background-image:
    linear-gradient(var(--log-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--log-grid) 1px, transparent 1px);
  background-size: 52px 52px;
  color: var(--text-primary);
  font-family: var(--font-body), var(--font-fallback);
  line-height: 1.6;
  padding: 24px 0 88px;
}

.page-news::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--log-orange) 0 12%, var(--log-lime) 12% 24%, transparent 24% 100%);
  z-index: 5;
}

.page-news::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background-image: repeating-linear-gradient(180deg, var(--log-line) 0 8px, transparent 8px 16px);
  opacity: 0.5;
  pointer-events: none;
}

.page-news__container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* 面包屑 */
.page-news__crumb {
  margin-bottom: 24px;
}
.page-news__crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.page-news__crumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-news__crumb a:hover,
.page-news__crumb a:focus-visible {
  color: var(--log-orange);
  outline: none;
}
.page-news__crumb li + li::before {
  content: '/';
  margin-right: 4px;
  color: var(--text-muted);
}

/* 头部 */
.page-news__head {
  position: relative;
  padding: 16px 0 32px;
  border-bottom: 1px solid var(--log-line);
  margin-bottom: 24px;
}
.page-news__head::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 120px;
  height: 3px;
  background: var(--log-orange);
}
.page-news__head-index {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--log-line);
  border-left: 3px solid var(--log-orange);
  padding: 8px 12px;
  margin-bottom: 18px;
  max-width: 260px;
}
.page-news__head-index span:last-child {
  color: var(--log-lime);
}
.page-news__head .page-head__title {
  font-family: var(--font-display), var(--font-fallback);
  font-weight: 800;
  line-height: 1.12;
  font-size: clamp(28px, 5vw, 52px);
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}
.page-news__head .page-head__desc {
  max-width: 720px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--log-lime);
}

/* 分类标签 */
.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 20px;
}
.page-news__filters .tag {
  text-decoration: none;
  padding: 7px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
  transition: background 0.2s ease, transform 0.2s ease;
}
.page-news__filters .tag:hover,
.page-news__filters .tag:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

/* 状态条 */
.page-news__statusbar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--log-line);
  border: 1px solid var(--log-line);
  margin: 0 0 52px;
}
.page-news__state-cell {
  background: var(--log-panel);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 70px;
  justify-content: center;
}
.page-news__state-cell:first-child {
  grid-column: 1 / -1;
}
.page-news__state-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.page-news__state-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

/* 日志条目 */
.page-news__log {
  display: grid;
  gap: 64px;
}
.page-news__entry {
  position: relative;
  display: grid;
  gap: 20px;
}

/* 条目配图 */
.page-news__entry-media {
  position: relative;
  z-index: 1;
}
.page-news__entry-media::before {
  content: '';
  position: absolute;
  top: 10px;
  right: -6px;
  bottom: -6px;
  left: 10px;
  border: 1px solid var(--log-line);
  z-index: 0;
  transition: transform 0.3s ease;
}
.page-news__entry:hover .page-news__entry-media::before {
  transform: translate(-4px, 4px);
}
.page-news__entry-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  position: relative;
  z-index: 1;
  background: var(--log-panel);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.page-news__entry-media::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 46px;
  background: var(--log-orange);
  z-index: 2;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

/* 条目正文 */
.page-news__entry-body {
  position: relative;
  z-index: 2;
  background: rgba(13, 42, 92, 0.92);
  border: 1px solid var(--log-line);
  padding: 20px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background 0.3s ease, border-color 0.3s ease;
}
.page-news__entry:hover .page-news__entry-body,
.page-news__entry:focus-within .page-news__entry-body {
  background: var(--surface-highlight);
  border-color: var(--log-orange);
}
.page-news__entry-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.page-news__entry-num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--log-line);
  padding-bottom: 2px;
}
.page-news__entry-title {
  font-family: var(--font-display), var(--font-fallback);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 10px;
}
.page-news__entry-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 16px;
}
.page-news__entry-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 6px;
}
.page-news__entry-list li {
  padding-left: 18px;
  position: relative;
  font-size: 13px;
  color: var(--text-secondary);
}
.page-news__entry-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--log-lime);
}

/* 版本对照 */
.page-news__ver-box {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}
.page-news__ver-cell {
  border-left: 3px solid var(--log-orange);
  background: var(--log-panel-deep);
  padding: 12px 14px;
  font-weight: 700;
  font-size: 15px;
}
.page-news__ver-cell span {
  display: block;
  font-weight: 400;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.page-news__ver-cell:last-child {
  border-left-color: var(--log-lime);
}

/* 操作指南步骤 */
.page-news__guide-steps {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: 8px;
}
.page-news__guide-steps li {
  counter-increment: step;
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
  padding: 10px 12px;
  background: rgba(16, 42, 84, 0.7);
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.page-news__guide-steps li:hover,
.page-news__guide-steps li:focus-within {
  background: var(--surface-highlight);
  border-color: var(--log-line);
}
.page-news__guide-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-weight: 700;
  color: var(--log-orange);
  font-size: 14px;
  flex-shrink: 0;
}
.page-news__entry-tip {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 18px;
  padding: 8px 10px;
  border-left: 2px solid var(--log-lime);
  background: rgba(16, 42, 84, 0.5);
}

/* 专题系列 */
.page-news__series-row {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}
.page-news__series-row span {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 10px;
  border-left: 2px solid var(--log-lime);
  background: rgba(16, 42, 84, 0.6);
}

/* 追踪记录 */
.page-news__track {
  margin-top: 72px;
  border-top: 1px solid var(--log-line);
  padding-top: 36px;
}
.page-news__track-label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--log-lime);
  text-transform: uppercase;
  border: 1px solid var(--log-line);
  padding: 4px 10px;
  margin-bottom: 12px;
}
.page-news__track-title {
  font-family: var(--font-display), var(--font-fallback);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  margin: 0 0 8px;
}
.page-news__track-intro {
  color: var(--text-secondary);
  font-size: 13px;
  max-width: 640px;
  margin: 0 0 24px;
}

.page-news__track-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 40px;
}
.page-news__track-card {
  border: 1px solid var(--log-line);
  border-top: 3px solid var(--log-orange);
  background: rgba(13, 42, 92, 0.75);
  padding: 16px 18px;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.page-news__track-card:nth-child(even) {
  border-top-color: var(--log-lime);
}
.page-news__track-card:hover {
  background: var(--surface-highlight);
  border-color: var(--log-orange);
}
.page-news__track-card h3 {
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}
.page-news__track-card ul {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: grid;
  gap: 6px;
}
.page-news__track-card li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}
.page-news__track-card li strong {
  font-weight: 700;
  color: var(--text-primary);
}
.page-news__track-card p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
  padding-top: 8px;
  border-top: 1px dashed var(--log-line);
}

.page-news__timeline-title {
  font-family: var(--font-display), var(--font-fallback);
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--text-primary);
}
.page-news__track-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--log-line);
}
.page-news__track-list li {
  display: grid;
  gap: 6px;
  padding: 14px 8px;
  border-bottom: 1px solid var(--log-line);
  transition: background 0.2s ease;
}
.page-news__track-list li:hover {
  background: rgba(13, 42, 92, 0.6);
}
.page-news__track-period {
  font-size: 12px;
  font-weight: 700;
  color: var(--log-orange);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.page-news__track-title-line {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 600;
  margin: 0;
}
.page-news__track-note {
  font-size: 12px;
  color: var(--text-muted);
}

/* 底部导航 */
.page-news__next {
  margin-top: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--log-line);
  border-left: 3px solid var(--log-orange);
  background: rgba(13, 42, 92, 0.7);
}
.page-news__next a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 13px;
  transition: background 0.2s ease, color 0.2s ease;
  border-top: 1px solid var(--log-line);
}
.page-news__next a + a {
  border-left: 1px solid var(--log-line);
}
.page-news__next a:hover,
.page-news__next a:focus-visible {
  background: var(--surface-highlight);
  color: var(--log-orange);
  outline: none;
}
.page-news__next a::after {
  content: '→';
  font-size: 18px;
  color: var(--log-lime);
  margin-left: 12px;
}

/* ===== 平板 ===== */
@media (min-width: 700px) {
  .page-news__statusbar {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-news__state-cell:first-child {
    grid-column: auto;
  }
  .page-news__track-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__next {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-news__next a {
    border-top: none;
  }
  .page-news__next a + a {
    border-left: 1px solid var(--log-line);
  }
}

/* ===== 桌面 ===== */
@media (min-width: 900px) {
  .page-news {
    padding-top: 36px;
  }
  .page-news__head {
    display: grid;
    grid-template-columns: 200px 1fr;
    column-gap: 32px;
    padding: 24px 0 48px;
  }
  .page-news__head-index {
    grid-row: 1 / 3;
    margin-bottom: 0;
    align-self: start;
    max-width: 200px;
  }
  .page-news__head .page-head__title {
    grid-column: 2;
    font-size: clamp(34px, 5vw, 56px);
  }
  .page-news__head .page-head__desc {
    grid-column: 2;
  }
  .page-news__filters {
    margin-top: 28px;
    margin-bottom: 24px;
  }

  /* 图文错位内容流 */
  .page-news__log {
    gap: 96px;
  }
  .page-news__entry {
    grid-template-columns: repeat(12, 1fr);
    align-items: center;
    gap: 0;
  }
  .page-news__entry-media {
    grid-column: 1 / 8;
    grid-row: 1;
  }
  .page-news__entry-body {
    grid-column: 6 / 13;
    grid-row: 1;
    margin-left: -80px;
    padding: 32px 36px;
  }
  .page-news__entry--reverse .page-news__entry-media {
    grid-column: 6 / 13;
  }
  .page-news__entry--reverse .page-news__entry-body {
    grid-column: 1 / 8;
    margin-left: 0;
    margin-right: -80px;
    padding: 32px 36px;
  }

  /* 桌面配图比例 */
  .page-news__entry:nth-child(1) .page-news__entry-media img {
    aspect-ratio: 5 / 3;
  }
  .page-news__entry:nth-child(2) .page-news__entry-media img {
    aspect-ratio: 10 / 7;
  }
  .page-news__entry:nth-child(3) .page-news__entry-media img {
    aspect-ratio: 4 / 3;
  }
  .page-news__entry:nth-child(4) .page-news__entry-media img {
    aspect-ratio: 1 / 1;
  }

  .page-news__track-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news__track-list li {
    grid-template-columns: 120px 1fr 160px;
    align-items: baseline;
    column-gap: 16px;
    padding: 18px 12px;
  }

  .page-news__next {
    margin-top: 80px;
  }
}