.page-news {
  --page-news-gap: clamp(56px, 8vw, 110px);
  background: var(--color-bg-primary);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ===== Hero 区域 ===== */
.page-news__hero {
  position: relative;
  padding: clamp(48px, 8vw, 120px) 0 56px;
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.06) 0%, transparent 40%),
    linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border-bottom: 2px solid var(--color-line);
}

.page-news__hero::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 38%;
  height: 100%;
  background: linear-gradient(120deg, transparent 40%, rgba(245, 197, 24, 0.08) 100%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news__hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  width: 38%;
  height: 4px;
  background: var(--color-accent-yellow);
}

.page-news__hero-grid {
  display: grid;
  gap: 48px;
  position: relative;
}

.page-news__hero-copy .mono-label {
  color: var(--color-accent-green);
}

.page-news__hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 12px 0 20px;
  color: var(--color-text-primary);
}

.page-news__heading-accent {
  display: block;
  font-size: 0.5em;
  font-weight: 700;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  margin-top: 14px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent-yellow);
}

.page-news__hero-lead {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0;
}

.page-news__hero-stats {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news__stat-label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}

.page-news__stat-value {
  font-family: var(--font-data);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-accent-green);
  margin: 6px 0 4px;
  line-height: 1.2;
}

.page-news__stat-unit {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-left: 4px;
}

.page-news__stat-note {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ===== 章节通用 ===== */
.page-news .section-heading {
  margin-bottom: 28px;
}

.page-news__section {
  padding: var(--page-news-gap) 0;
  border-bottom: 1px solid var(--color-line);
}

.page-news__section--last {
  border-bottom: none;
  padding-bottom: clamp(64px, 10vw, 140px);
}

/* ===== 筛选工具栏 ===== */
.article-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 0 24px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 36px;
}

.filter-trigger {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 10px 18px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
}

.filter-trigger:hover {
  border-color: var(--color-accent-yellow);
}

.filter-trigger.is-active {
  background: var(--color-accent-yellow);
  border-color: var(--color-accent-yellow);
  color: var(--color-bg-primary);
  box-shadow: 4px 4px 0 var(--color-bg-secondary);
}

/* ===== 最新发布列表 ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.news-row {
  display: grid;
  grid-template-areas:
    "tag"
    "content"
    "media";
  border: 2px solid var(--color-line);
  background: linear-gradient(160deg, rgba(16, 31, 60, 0.6) 0%, transparent 70%);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.news-row:hover {
  border-color: var(--color-accent-yellow);
  box-shadow: 8px 8px 0 rgba(245, 197, 24, 0.12);
}

.news-row__tag {
  grid-area: tag;
  padding: 18px 20px 0;
}

.news-row__tag .tag {
  background: var(--color-accent-yellow);
  border-color: var(--color-accent-yellow);
  color: var(--color-bg-primary);
}

.news-row__content {
  grid-area: content;
  padding: 14px 20px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.news-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.news-row__time {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.news-row__title {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--color-text-primary);
}

.news-row__excerpt {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 66ch;
}

.news-row__media {
  grid-area: media;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.news-row__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.6, 0, 1);
}

.news-row:hover .news-row__media img {
  transform: scale(1.04);
}

/* ===== 标签扩展 ===== */
.tag--yellow {
  background: var(--color-accent-yellow);
  border-color: var(--color-accent-yellow);
  color: var(--color-bg-primary);
}

.tag--green {
  background: rgba(0, 255, 136, 0.12);
  border-color: rgba(0, 255, 136, 0.4);
  color: var(--color-accent-green);
}

.tag--line {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-text-primary);
}

/* ===== 功能更新日志 ===== */
.changelog {
  display: grid;
  gap: 40px;
}

.changelog__media {
  border: 2px solid var(--color-line);
  overflow: hidden;
}

.changelog__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  transition: transform 0.5s cubic-bezier(0.2, 0.6, 0, 1);
}

.changelog__media:hover img {
  transform: scale(1.02);
}

.changelog__timeline {
  display: grid;
  gap: 20px;
}

.changelog__item {
  position: relative;
  padding: 24px 28px;
  border: 2px solid var(--color-line);
  border-left-width: 6px;
  border-left-color: var(--color-accent-green);
  background: var(--color-bg-secondary);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.changelog__item:hover {
  transform: translateX(4px);
  border-color: var(--color-text-primary);
  border-left-color: var(--color-accent-yellow);
}

.changelog__version {
  font-family: var(--font-data);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent-yellow);
  line-height: 1.2;
  margin-bottom: 8px;
}

.changelog__badge {
  margin-bottom: 14px;
}

.changelog__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.changelog__list li {
  position: relative;
  padding: 8px 0 8px 24px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  border-bottom: 1px dashed var(--color-line);
}

.changelog__list li:last-child {
  border-bottom: none;
}

.changelog__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 10px;
  background: var(--color-accent-green);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* ===== 赛事数据专题 ===== */
.featured-grid {
  display: grid;
  gap: 28px;
}

.featured-card {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--color-line);
  background: var(--color-bg-secondary);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.featured-card:hover {
  border-color: var(--color-accent-yellow);
}

.featured-card__media {
  overflow: hidden;
}

.featured-card__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  transition: transform 0.5s cubic-bezier(0.2, 0.6, 0, 1);
}

.featured-card:hover .featured-card__media img {
  transform: scale(1.03);
}

.featured-card__content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  flex: 1;
}

.featured-card__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0;
  color: var(--color-text-primary);
}

.featured-card__excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0;
}

.featured-card__time {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
}

.featured-card__stack {
  display: grid;
  gap: 28px;
  align-content: start;
}

/* ===== 使用技巧指南 ===== */
.guide-layout {
  display: grid;
  gap: 36px;
}

.guide-list {
  display: grid;
  gap: 32px;
}

.guide-step {
  display: flex;
  gap: 18px;
  padding: 26px 24px;
  border: 2px solid var(--color-line);
  background: var(--color-bg-secondary);
  position: relative;
  transition: border-color 0.25s ease;
}

.guide-step:hover {
  border-color: var(--color-accent-green);
}

.guide-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-yellow) 0%, var(--color-accent-green) 100%);
}

.guide-step__num {
  flex: 0 0 44px;
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-yellow);
  line-height: 1.2;
}

.guide-step__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.guide-step__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0;
  color: var(--color-text-primary);
}

.guide-step__excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0;
}

.guide-layout__media {
  border: 2px solid var(--color-line);
  overflow: hidden;
}

.guide-layout__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  transition: transform 0.5s cubic-bezier(0.2, 0.6, 0, 1);
}

.guide-layout__media:hover img {
  transform: scale(1.03);
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-news__hero-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 64px;
  }

  .news-row {
    grid-template-areas: "tag content media";
    grid-template-columns: 110px minmax(0, 1fr) 300px;
    align-items: stretch;
  }

  .news-row__tag {
    padding: 0;
    background: var(--color-accent-yellow);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 100%;
  }

  .page-news .news-row__tag .tag {
    margin-top: 26px;
    background: var(--color-bg-primary);
    border: none;
    color: var(--color-accent-yellow);
  }

  .news-row__content {
    padding: 28px 32px;
  }

  .news-row__media {
    aspect-ratio: auto;
    min-height: 180px;
  }

  .news-row__media img {
    height: 100%;
  }
}

@media (min-width: 900px) {
  .changelog {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 56px;
    align-items: start;
  }

  .featured-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .featured-card--wide {
    flex-direction: row;
  }

  .featured-card--wide .featured-card__media {
    flex: 0 0 46%;
  }

  .featured-card--wide .featured-card__media img {
    height: 100%;
    object-fit: cover;
  }

  .guide-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 48px;
  }
}