/* ===== BAPP 品牌动态页专属样式 ===== */
.page-news {
  --news-line: #2E5F4A;
  --news-orange: #FF6B35;
  --news-gold: #D4AF37;
  --news-bg-soft: #0F4C3A;
  --news-text-dim: #C4D4C2;
  --news-radius-lg: 24px;
  --news-radius-md: 16px;
  --news-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
  --news-transition: 220ms ease;
  color: #F5F5F5;
  background-color: #0B3D2E;
}

/* ===== 通用标题结构 ===== */
.page-news .section-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.page-news .section-heading .terminal-index {
  font-family: var(--news-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--news-orange);
  border: 1px solid var(--news-line);
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}

.page-news .section-title {
  font-family: var(--font-title);
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0;
  color: #F5F5F5;
  letter-spacing: 0.02em;
}

.page-news .section-divider {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--news-orange) 0%, var(--news-line) 60%);
  min-width: 48px;
}

/* ===== 顶部横幅与面包屑 ===== */
.page-news .news-hero {
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--news-line);
  position: relative;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle at 100% 0%, var(--news-orange) 0%, transparent 70%);
  opacity: 0.18;
  pointer-events: none;
}

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

.page-news .breadcrumb {
  font-size: 0.875rem;
  color: var(--news-text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-news .breadcrumb a {
  color: var(--news-text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--news-transition), color var(--news-transition);
}

.page-news .breadcrumb a:hover {
  color: #F5F5F5;
  border-color: var(--news-orange);
}

.page-news .breadcrumb__sep {
  color: var(--news-orange);
}

.page-news .breadcrumb__current {
  color: #F5F5F5;
}

.page-news .news-hero__content {
  max-width: 720px;
}

.page-news .news-hero__title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin: 12px 0 16px;
  color: #F5F5F5;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.page-news .news-hero__lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--news-text-dim);
  margin: 0 0 24px;
}

.page-news .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--news-orange);
  color: #0B3D2E;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 0 0 rgba(255, 107, 53, 0);
  transition: background var(--news-transition), box-shadow var(--news-transition), transform var(--news-transition);
}

.page-news .btn-primary:hover {
  background: var(--news-orange);
  box-shadow: 0 4px 18px rgba(255, 107, 53, 0.35);
  transform: translateY(-2px);
}

.page-news .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #F5F5F5;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--news-line);
  transition: border-color var(--news-transition), background var(--news-transition), color var(--news-transition);
}

.page-news .btn-ghost:hover {
  border-color: var(--news-orange);
  background: rgba(255, 107, 53, 0.1);
  color: var(--news-orange);
}

/* ===== 通用区块间距 ===== */
.page-news .news-section {
  padding: 56px 0;
}

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

/* ===== 最新动态模块 ===== */
.page-news .latest-updates .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .update-list {
  display: flex;
  flex-direction: column;
}

.page-news .update-entry {
  display: grid;
  grid-template-columns: 12px 90px 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--news-line);
  position: relative;
  transition: background var(--news-transition);
}

.page-news .update-entry:first-child {
  padding-top: 0;
}

.page-news .update-entry:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-news .update-entry__dot {
  width: 8px;
  height: 8px;
  background: var(--news-orange);
  border-radius: 50%;
  margin-top: 6px;
  box-shadow: 0 0 8px rgba(255, 107, 53, 0.5);
}

.page-news .update-entry__time {
  font-family: var(--news-mono);
  font-size: 0.75rem;
  color: var(--news-text-dim);
  line-height: 1.6;
  letter-spacing: 0.06em;
}

.page-news .update-entry__content {
  min-width: 0;
}

.page-news .update-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .update-entry__title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  line-height: 1.4;
  margin: 0 0 8px;
  color: #F5F5F5;
}

.page-news .update-entry__summary {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--news-text-dim);
  margin: 0 0 12px;
}

.page-news .update-entry__detail {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--news-text-dim);
}

.page-news .update-entry__detail summary {
  cursor: pointer;
  color: var(--news-orange);
  font-family: var(--news-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  list-style: none;
  padding: 6px 0;
  transition: color var(--news-transition);
  display: inline-block;
}

.page-news .update-entry__detail summary::-webkit-details-marker {
  display: none;
}

.page-news .update-entry__detail summary:hover {
  color: #F5F5F5;
}

.page-news .update-entry__detail summary::before {
  content: "＋ ";
}

.page-news .update-entry__detail[open] summary::before {
  content: "－ ";
}

.page-news .update-entry__detail p {
  margin: 10px 0 0;
}

.page-news .latest-updates__side {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.page-news .latest-updates__visual {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--news-line);
  object-fit: cover;
  max-width: 540px;
}

/* ===== 专题研究模块 ===== */
.page-news .research-section .container {
  display: grid;
  gap: 32px;
}

.page-news .research-card {
  background: var(--news-bg-soft);
  border: 1px solid var(--news-line);
  border-radius: var(--news-radius-lg);
  overflow: hidden;
  transition: border-color var(--news-transition), box-shadow var(--news-transition);
}

.page-news .research-card:hover {
  border-color: var(--news-orange);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

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

.page-news .research-card__body {
  padding: 28px;
}

.page-news .research-card__title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 14px 0 10px;
  color: #F5F5F5;
}

.page-news .research-card__lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--news-text-dim);
  margin: 0 0 18px;
}

.page-news .research-card__facts {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
}

.page-news .research-card__facts li {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: #F5F5F5;
  padding-left: 18px;
  position: relative;
}

.page-news .research-card__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--news-orange);
  border-radius: 2px;
}

.page-news .research-card__chart {
  border: 1px solid var(--news-line);
  border-radius: var(--news-radius-md);
  padding: 14px;
  background: rgba(11, 61, 46, 0.5);
}

.page-news .research-card__chart svg {
  width: 100%;
  height: auto;
  display: block;
}

.page-news .research-card__note {
  display: block;
  font-family: var(--news-mono);
  font-size: 0.7rem;
  color: var(--news-text-dim);
  margin-top: 8px;
  letter-spacing: 0.08em;
}

.page-news .research-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .research-mini {
  background: rgba(15, 76, 58, 0.5);
  border: 1px solid var(--news-line);
  border-radius: var(--news-radius-md);
  padding: 24px;
  transition: border-color var(--news-transition), transform var(--news-transition);
}

.page-news .research-mini:hover {
  border-color: var(--news-orange);
  transform: translateY(-2px);
}

.page-news .research-mini h4 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  margin: 12px 0 8px;
  color: #F5F5F5;
}

.page-news .research-mini p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--news-text-dim);
  margin: 0 0 12px;
}

.page-news .text-link {
  color: var(--news-orange);
  text-decoration: none;
  font-family: var(--news-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  border-bottom: 1px solid transparent;
  transition: border-color var(--news-transition);
}

.page-news .text-link:hover {
  border-color: var(--news-orange);
}

/* ===== 版本迭代历史 ===== */
.page-news .version-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .version-list {
  display: flex;
  flex-direction: column;
}

.page-news .version-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .version-item:first-child {
  padding-top: 0;
}

.page-news .version-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-news .version-item__code {
  font-family: var(--news-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: #0B3D2E;
  background: var(--news-gold);
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-block;
  height: fit-content;
  line-height: 1.4;
  text-align: center;
}

.page-news .version-item__body h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  color: #F5F5F5;
  margin: 0 0 6px;
}

.page-news .version-item__body p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--news-text-dim);
  margin: 0;
}

.page-news .version-item__meta {
  grid-column: 2;
  font-family: var(--news-mono);
  font-size: 0.7rem;
  color: var(--news-text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-news .version-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--news-line);
  display: block;
}

.page-news .version-visual__note {
  font-family: var(--news-mono);
  font-size: 0.7rem;
  color: var(--news-text-dim);
  margin: 10px 0 0;
  letter-spacing: 0.06em;
}

/* ===== 更新日历 ===== */
.page-news .calendar-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-news .calendar-copy p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--news-text-dim);
  margin: 0 0 20px;
}

.page-news .calendar-copy__list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  gap: 12px;
}

.page-news .calendar-copy__list li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: #F5F5F5;
  padding-left: 22px;
  position: relative;
}

.page-news .calendar-copy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 10px;
  height: 10px;
  background: var(--news-orange);
  border-radius: 3px;
}

.page-news .calendar-week {
  position: relative;
}

.page-news .calendar-week__head {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.page-news .calendar-week__head span {
  text-align: center;
  font-family: var(--news-mono);
  font-size: 0.7rem;
  color: var(--news-text-dim);
  letter-spacing: 0.08em;
}

.page-news .calendar-week__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.page-news .calendar-week__day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 76, 58, 0.4);
  border: 1px solid var(--news-line);
  border-radius: 10px;
  font-family: var(--news-mono);
  font-size: 0.75rem;
  color: var(--news-text-dim);
  transition: border-color var(--news-transition), background var(--news-transition);
}

.page-news .calendar-week__day.is-highlight {
  background: var(--news-orange);
  color: #0B3D2E;
  font-weight: 700;
  border-color: var(--news-orange);
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.4);
}

.page-news .calendar-week img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--news-line);
  display: block;
}

/* ===== 标签通用样式 ===== */
.page-news .tag {
  display: inline-block;
  font-family: var(--news-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}

.page-news .tag--outline {
  border: 1px solid var(--news-line);
  color: var(--news-text-dim);
  background: transparent;
}

.page-news .tag--outline:hover {
  border-color: var(--news-orange);
  color: var(--news-orange);
}

.page-news .tag--gold {
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--news-gold);
  color: var(--news-gold);
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-news .latest-updates .container {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .page-news .latest-updates__side {
    align-items: center;
  }

  .page-news .latest-updates__visual {
    max-width: none;
  }

  .page-news .research-card {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
  }

  .page-news .research-card__visual img {
    height: 100%;
    max-height: 420px;
    object-fit: cover;
  }

  .page-news .research-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .version-layout {
    grid-template-columns: 1.6fr 1fr;
    align-items: start;
  }

  .page-news .calendar-wrap {
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    padding: 64px 0 56px;
  }

  .page-news .section-title {
    font-size: 2rem;
  }

  .page-news .research-card__body {
    padding: 36px;
  }
}

/* ===== 小屏适配 ===== */
@media (max-width: 480px) {
  .page-news .update-entry {
    grid-template-columns: 8px 70px 1fr;
    gap: 10px;
    padding: 18px 0;
  }

  .page-news .update-entry__time {
    font-size: 0.65rem;
    word-break: break-word;
  }

  .page-news .section-heading {
    gap: 10px;
  }

  .page-news .section-title {
    font-size: 1.5rem;
  }

  .page-news .version-item {
    grid-template-columns: 56px 1fr;
    gap: 12px;
  }

  .page-news .calendar-week__day {
    font-size: 0.65rem;
    border-radius: 6px;
  }
}
```