.page-news {
  --news-cover-slash: #6A1B9A;
  --news-timeline-line: #6A1B9A;
  --news-dot-size: 16px;
  --news-line-width: 3px;
  background-color: var(--color-cream, #F5F0EB);
  color: var(--color-dark, #2C1A0D);
  font-family: var(--font-body, 'Lora', Georgia, 'Times New Roman', serif);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== 首屏封面 ===== */
.page-news .news-cover {
  padding: 4rem 0 3rem;
  position: relative;
}

.page-news .news-cover__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
}

.page-news .news-cover__number {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-gold, #FFD700);
  opacity: 0.3;
  letter-spacing: -0.05em;
  user-select: none;
  position: relative;
  z-index: 1;
}

.page-news .news-cover__text {
  position: relative;
  z-index: 2;
}

.page-news .news-cover__title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-dark, #2C1A0D);
  margin: 0 0 0.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-news .news-cover__subtitle {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-gray, #6D6D6D);
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
}

.page-news .news-cover__desc {
  font-size: 1.0625rem;
  color: var(--color-dark, #2C1A0D);
  max-width: 36em;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.page-news .news-cover__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-news .news-cover__breadcrumb {
  margin-top: 0.5rem;
}

.page-news .news-cover__slash {
  display: none;
  position: absolute;
  top: -2rem;
  right: -1rem;
  width: 40%;
  height: 120%;
  background: linear-gradient(135deg, transparent 45%, var(--news-cover-slash) 45%, var(--news-cover-slash) 48%, transparent 48%);
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

/* ===== 筛选按钮 ===== */
.page-news .news-filters {
  padding: 0 0 2.5rem;
}

.page-news .chip-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-news .chip-filter__btn {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--color-border, #BDBDBD);
  border-radius: 0;
  background: transparent;
  color: var(--color-dark, #2C1A0D);
  cursor: pointer;
  transition: all 0.25s ease;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-news .chip-filter__btn:hover {
  border-color: var(--color-purple, #6A1B9A);
  color: var(--color-purple, #6A1B9A);
}

.page-news .chip-filter__btn.active {
  background-color: var(--color-purple, #6A1B9A);
  border-color: var(--color-purple, #6A1B9A);
  color: #fff;
}

/* ===== 最新更新 ===== */
.page-news .news-latest {
  padding-bottom: 3rem;
}

.page-news .news-latest__card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-left: 6px solid var(--color-green, #4CAF50);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  overflow: hidden;
}

.page-news .news-latest__image {
  width: 100%;
  max-height: 260px;
  overflow: hidden;
}

.page-news .news-latest__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: 100%;
}

.page-news .news-latest__content {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-news .news-latest__heading {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-dark, #2C1A0D);
  margin: 0;
  line-height: 1.25;
}

.page-news .news-latest__text {
  font-size: 1rem;
  color: var(--color-gray, #6D6D6D);
  margin: 0;
  line-height: 1.65;
}

/* ===== 时间线 ===== */
.page-news .news-timeline {
  padding-bottom: 3rem;
  position: relative;
}

.page-news .section-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-dark, #2C1A0D);
  margin: 0 0 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  line-height: 1.2;
}

.page-news .section-title__number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-gold, #FFD700);
  opacity: 0.6;
  letter-spacing: -0.04em;
}

.page-news .timeline {
  position: relative;
  padding-left: 2rem;
}

.page-news .timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: var(--news-line-width, 3px);
  background: var(--news-timeline-line, #6A1B9A);
  opacity: 0.25;
  border-radius: 2px;
}

.page-news .timeline-item {
  position: relative;
  padding-bottom: 2.25rem;
  display: flex;
  gap: 1.25rem;
}

.page-news .timeline-item:last-child {
  padding-bottom: 0;
}

.page-news .timeline-dot {
  flex-shrink: 0;
  width: var(--news-dot-size, 16px);
  height: var(--news-dot-size, 16px);
  border-radius: 50%;
  background: var(--news-timeline-line, #6A1B9A);
  border: 3px solid var(--color-cream, #F5F0EB);
  box-shadow: 0 0 0 2px var(--news-timeline-line, #6A1B9A);
  margin-top: 0.35rem;
  position: relative;
  z-index: 2;
}

.page-news .timeline-body {
  flex: 1;
  min-width: 0;
  background: #fff;
  padding: 1.25rem 1.25rem 0.75rem;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.page-news .timeline-body:hover {
  box-shadow: 0 4px 24px rgba(106, 27, 154, 0.1);
  transform: translateY(-2px);
}

.page-news .timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.page-news .timeline-date {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-gray, #6D6D6D);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-news .timeline-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-dark, #2C1A0D);
  margin: 0 0 0.4rem;
  line-height: 1.3;
}

.page-news .timeline-summary {
  font-size: 0.9375rem;
  color: var(--color-gray, #6D6D6D);
  margin: 0 0 0.75rem;
  line-height: 1.6;
}

.page-news .timeline-details {
  font-size: 0.9375rem;
  color: var(--color-dark, #2C1A0D);
  border-top: 1px dashed var(--color-border, #BDBDBD);
  padding-top: 0.5rem;
  margin-top: 0.25rem;
}

.page-news .timeline-details__summary {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-purple, #6A1B9A);
  cursor: pointer;
  user-select: none;
  padding: 0.25rem 0;
  transition: color 0.2s;
}

.page-news .timeline-details__summary:hover {
  color: var(--color-gold, #FFD700);
}

.page-news .timeline-details[open] .timeline-details__summary {
  color: var(--color-green, #4CAF50);
}

.page-news .timeline-details__content {
  padding: 0.75rem 0 0.25rem;
  line-height: 1.7;
  font-size: 0.9375rem;
  color: var(--color-dark, #2C1A0D);
}

/* ===== 平台改进日志 ===== */
.page-news .news-logs {
  padding-bottom: 3rem;
}

.page-news .logs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-news .logs-card {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.page-news .logs-card:hover {
  box-shadow: 0 6px 28px rgba(106, 27, 154, 0.08);
  transform: translateY(-3px);
}

.page-news .logs-card__image {
  width: 100%;
  max-height: 160px;
  overflow: hidden;
}

.page-news .logs-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: 100%;
}

.page-news .logs-card__body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.page-news .logs-card__body--featured {
  border-left: 4px solid var(--color-green, #4CAF50);
}

.page-news .logs-card__title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-dark, #2C1A0D);
  margin: 0;
  line-height: 1.3;
}

.page-news .logs-card__text {
  font-size: 0.9375rem;
  color: var(--color-gray, #6D6D6D);
  margin: 0;
  line-height: 1.6;
}

.page-news .logs-card__list {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-news .logs-card__list li {
  font-size: 0.875rem;
  color: var(--color-dark, #2C1A0D);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}

.page-news .logs-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-gold, #FFD700);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* ===== CTA 区域 ===== */
.page-news .news-cta {
  padding: 0 0 4rem;
}

.page-news .news-cta__inner {
  background: var(--gradient-purple, linear-gradient(135deg, #4A148C, #6A1B9A));
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-news .news-cta__text {
  font-size: 1.125rem;
  color: #fff;
  margin: 0;
  max-width: 32em;
  line-height: 1.7;
  font-weight: 400;
}

.page-news .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 0.75rem 2rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  letter-spacing: 0.02em;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-news .btn-primary {
  background: var(--color-green, #4CAF50);
  color: #fff;
  border-color: var(--color-green, #4CAF50);
}

.page-news .btn-primary:hover {
  background: #388E3C;
  border-color: #388E3C;
  transform: translateY(-1px);
}

.page-news .btn-gold {
  background: var(--color-gold, #FFD700);
  color: var(--color-dark, #2C1A0D);
  border-color: var(--color-gold, #FFD700);
}

.page-news .btn-gold:hover {
  background: #E6C200;
  border-color: #E6C200;
}

.page-news .btn-outline {
  background: transparent;
  color: var(--color-purple, #6A1B9A);
  border-color: var(--color-purple, #6A1B9A);
}

.page-news .btn-outline:hover {
  background: var(--color-purple, #6A1B9A);
  color: #fff;
}

/* ===== Badge 系统 ===== */
.page-news .badge {
  display: inline-block;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.2rem 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.4;
  clip-path: polygon(3px 0, 100% 0, calc(100% - 3px) 100%, 0 100%);
}

.page-news .badge-green {
  background: var(--color-green, #4CAF50);
  color: #fff;
}

.page-news .badge-gold {
  background: var(--color-gold, #FFD700);
  color: var(--color-dark, #2C1A0D);
}

.page-news .badge-purple {
  background: var(--color-purple, #6A1B9A);
  color: #fff;
}

/* ===== 面包屑 ===== */
.page-news .breadcrumb-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.page-news .breadcrumb-item {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.8125rem;
  color: var(--color-gray, #6D6D6D);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  color: var(--color-border, #BDBDBD);
  font-size: 0.75rem;
}

.page-news .breadcrumb-item a {
  color: var(--color-purple, #6A1B9A);
  text-decoration: none;
  transition: color 0.2s;
}

.page-news .breadcrumb-item a:hover {
  color: var(--color-gold, #FFD700);
  text-decoration: underline;
}

.page-news .breadcrumb-item[aria-current="page"] {
  color: var(--color-dark, #2C1A0D);
  font-weight: 600;
}

/* ===== 滚动渐显 ===== */
.page-news .section-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.page-news .section-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 - 桌面端 ===== */
@media (min-width: 768px) {
  .page-news .news-cover {
    padding: 5rem 0 4rem;
  }

  .page-news .news-cover__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }

  .page-news .news-cover__number {
    font-size: 7rem;
    opacity: 0.15;
    min-width: 4rem;
  }

  .page-news .news-cover__title {
    font-size: 3.5rem;
  }

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

  .page-news .news-cover__slash {
    display: block;
  }

  .page-news .news-latest__card {
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .news-latest__image {
    width: 45%;
    max-height: none;
    flex-shrink: 0;
  }

  .page-news .news-latest__img {
    height: 100%;
    min-height: 280px;
  }

  .page-news .news-latest__content {
    padding: 2rem 2.5rem;
    justify-content: center;
  }

  .page-news .news-latest__heading {
    font-size: 1.75rem;
  }

  .page-news .timeline {
    padding-left: 3rem;
  }

  .page-news .timeline::before {
    left: 11px;
  }

  .page-news .timeline-dot {
    width: 20px;
    height: 20px;
    margin-top: 0.5rem;
  }

  .page-news .timeline-body {
    padding: 1.5rem 1.75rem 1rem;
  }

  .page-news .timeline-title {
    font-size: 1.3125rem;
  }

  .page-news .section-title {
    font-size: 2.25rem;
  }

  .page-news .section-title__number {
    font-size: 3.2rem;
  }

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

  .page-news .logs-card__image {
    max-height: 180px;
  }

  .page-news .news-cta {
    padding: 0 0 5rem;
  }

  .page-news .news-cta__inner {
    padding: 3rem 4rem;
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .page-news .news-cta__text {
    font-size: 1.25rem;
  }
}

@media (min-width: 1024px) {
  .page-news .news-cover__title {
    font-size: 4rem;
  }

  .page-news .news-cover__number {
    font-size: 9rem;
  }

  .page-news .news-latest__image {
    width: 40%;
  }

  .page-news .news-latest__content {
    padding: 2.5rem 3rem;
  }

  .page-news .timeline-body {
    padding: 1.75rem 2rem 1.25rem;
  }
}

/* ===== 窄屏安全 ===== */
@media (max-width: 420px) {
  .page-news .news-cover__title {
    font-size: 2rem;
  }

  .page-news .news-cover__number {
    font-size: 3.5rem;
  }

  .page-news .timeline {
    padding-left: 1.5rem;
  }

  .page-news .timeline-body {
    padding: 1rem 1rem 0.75rem;
  }

  .page-news .timeline-title {
    font-size: 1.0625rem;
  }

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

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

  .page-news .news-latest__content {
    padding: 1.25rem 1rem;
  }

  .page-news .news-cta__inner {
    padding: 1.75rem 1.25rem;
  }

  .page-news .logs-card__body {
    padding: 1rem;
  }
}