/* ===== 页面专属：page-news 新闻中心 ===== */

.page-news {
  --news-accent: var(--primary-red, #E63946);
  --news-card-bg: rgba(13, 20, 30, 0.65);
  --news-border-light: rgba(230, 57, 70, 0.25);
  --news-border-blue: rgba(29, 53, 87, 0.5);
  --news-tab-active-bg: var(--primary-red, #E63946);
  --news-tab-hover-bg: rgba(230, 57, 70, 0.15);
  --news-panel-radius: 8px;
  --news-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  margin-bottom: 1rem;
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.85rem;
  color: var(--mineral-gray, #8D99AE);
}

.page-news .breadcrumb a {
  color: var(--light-text, #F1FAEE);
  text-decoration: none;
  transition: color var(--news-transition);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--primary-red, #E63946);
  outline: 2px solid var(--primary-red, #E63946);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-news .breadcrumb .sep {
  color: var(--primary-red, #E63946);
  font-weight: 700;
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--mineral-gray, #8D99AE);
}

/* 页面标题区 */
.page-news .page-heading {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: clamp(2.8rem, 8vw, 5rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--light-text, #F1FAEE);
  text-transform: uppercase;
  margin: 0 0 0.25rem 0;
  border-left: 6px solid var(--primary-red, #E63946);
  padding-left: 0.75rem;
}

.page-news .page-desc {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--mineral-gray, #8D99AE);
  margin: 0 0 2rem 0;
  max-width: 640px;
}

/* ===== 布局容器 ===== */
.page-news .news-layout {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ===== 隐藏 radio ===== */
.page-news .tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

/* ===== 标签列表 ===== */
.page-news .tabs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--news-border-light, rgba(230,57,70,0.25));
  padding-bottom: 0.5rem;
}

.page-news .tab-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mineral-gray, #8D99AE);
  background: transparent;
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--news-transition);
  user-select: none;
}

.page-news .tab-label:hover {
  background: var(--news-tab-hover-bg, rgba(230,57,70,0.15));
  color: var(--light-text, #F1FAEE);
}

.page-news .tab-label:focus-visible {
  outline: 2px solid var(--primary-red, #E63946);
  outline-offset: 2px;
  border-radius: 6px;
}

/* radio checked 状态驱动标签高亮 */
.page-news #tab-updates:checked ~ .tabs-list label[for="tab-updates"],
.page-news #tab-leagues:checked ~ .tabs-list label[for="tab-leagues"],
.page-news #tab-calendar:checked ~ .tabs-list label[for="tab-calendar"] {
  background: var(--news-tab-active-bg, #E63946);
  color: var(--light-text, #F1FAEE);
  border-color: var(--news-tab-active-bg, #E63946);
  box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
}

/* ===== 面板通用 ===== */
.page-news .tab-panel {
  display: none;
  animation: pageNewsFadeIn 0.35s ease-out;
}

@keyframes pageNewsFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-news .panel-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}

.page-news .panel-title {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.1;
  color: var(--light-text, #F1FAEE);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
  flex-shrink: 0;
}

.page-news .panel-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm, 4px);
  border: 2px solid var(--news-border-light, rgba(230,57,70,0.25));
  background: var(--tech-blue, #1D3557);
  object-fit: cover;
  flex-shrink: 0;
}

/* ===== radio 控制面板显隐 ===== */
.page-news #tab-updates:checked ~ #panel-updates,
.page-news #tab-leagues:checked ~ #panel-leagues,
.page-news #tab-calendar:checked ~ #panel-calendar {
  display: block;
}

/* ===== 卡片列表（最新动态） ===== */
.page-news .card-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-news .card-update {
  background: var(--news-card-bg, rgba(13,20,30,0.65));
  border: 2px solid var(--news-border-light, rgba(230,57,70,0.25));
  border-radius: var(--news-panel-radius, 8px);
  box-shadow: var(--shadow-card, 6px 6px 0 rgba(29,53,87,0.4));
  transition: border-color var(--news-transition), box-shadow var(--news-transition);
  overflow: hidden;
}

.page-news .card-update[open] {
  border-color: var(--primary-red, #E63946);
  box-shadow: 6px 6px 0 rgba(230, 57, 70, 0.2);
}

.page-news .card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  padding: 1rem 1.2rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--light-text, #F1FAEE);
  transition: background var(--news-transition);
}

.page-news .card__head::-webkit-details-marker {
  display: none;
}

.page-news .card__head::marker {
  display: none;
  content: '';
}

.page-news .card__head:hover {
  background: rgba(230, 57, 70, 0.08);
}

.page-news .card__title {
  flex: 1;
  min-width: 140px;
}

.page-news .card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
  color: var(--primary-red, #E63946);
  transition: transform var(--news-transition);
}

.page-news .card__icon::before {
  content: '+';
  font-size: 1.4rem;
  line-height: 1;
  font-weight: 700;
  transition: transform var(--news-transition);
}

.page-news .card-update[open] .card__icon::before {
  content: '−';
  transform: rotate(0deg);
}

.page-news .card__body {
  padding: 0 1.2rem 1.2rem;
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--mineral-gray, #8D99AE);
}

.page-news .card__body p {
  margin: 0 0 0.75rem 0;
}

.page-news .card__body p:last-child {
  margin-bottom: 0;
}

.page-news .card-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm, 4px);
  border: 1px solid var(--news-border-blue, rgba(29,53,87,0.5));
  margin-top: 0.75rem;
  object-fit: cover;
}

/* ===== 内联链接 ===== */
.page-news .inline-link {
  color: var(--primary-red, #E63946);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1.5px;
  font-weight: 600;
  transition: color var(--news-transition);
}

.page-news .inline-link:hover,
.page-news .inline-link:focus-visible {
  color: var(--vibrant-orange, #F4A261);
  outline: 2px solid var(--vibrant-orange, #F4A261);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===== 赛事覆盖 ===== */
.page-news .coverage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-news .coverage-item {
  background: var(--news-card-bg, rgba(13,20,30,0.65));
  border: 2px solid var(--news-border-blue, rgba(29,53,87,0.5));
  border-radius: var(--news-panel-radius, 8px);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow-card, 6px 6px 0 rgba(29,53,87,0.4));
  transition: border-color var(--news-transition);
}

.page-news .coverage-item:hover {
  border-color: var(--primary-red, #E63946);
}

.page-news .coverage-title {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: var(--light-text, #F1FAEE);
  margin: 0.5rem 0 0.4rem 0;
  text-transform: uppercase;
}

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

.page-news .coverage-list li {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--mineral-gray, #8D99AE);
  padding-left: 1.2rem;
  position: relative;
}

.page-news .coverage-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--primary-red, #E63946);
  font-weight: 700;
  font-size: 1.1rem;
}

.page-news .coverage-desc {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--mineral-gray, #8D99AE);
  margin: 0.4rem 0 0 0;
}

.page-news .coverage-coming {
  border-style: dashed;
  border-color: var(--mineral-gray, #8D99AE);
  opacity: 0.85;
}

/* ===== 更新日历 - 时间线 ===== */
.page-news .timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1.5rem;
}

.page-news .timeline::before {
  content: '';
  position: absolute;
  left: 0.6rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary-red, #E63946), var(--vibrant-orange, #F4A261));
  border-radius: 2px;
}

.page-news .timeline-item {
  position: relative;
  padding: 0 0 1.8rem 1.2rem;
  border-left: 2px solid transparent;
}

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

.page-news .timeline-marker {
  position: absolute;
  left: -2rem;
  top: 0.3rem;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--primary-red, #E63946);
  border: 3px solid var(--deep-bg, #0B1015);
  box-shadow: 0 0 0 3px var(--primary-red, #E63946);
  z-index: 1;
}

.page-news .timeline-title {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--light-text, #F1FAEE);
  margin: 0 0 0.25rem 0;
  text-transform: uppercase;
}

.page-news .timeline-content p {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mineral-gray, #8D99AE);
  margin: 0;
}

.page-news .calendar-footer {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mineral-gray, #8D99AE);
  padding: 0.8rem 1rem;
  background: rgba(29, 53, 87, 0.2);
  border-radius: var(--radius-sm, 4px);
  border: 1px solid var(--news-border-blue, rgba(29,53,87,0.5));
}

.page-news .calendar-footer p {
  margin: 0;
}

/* ===== 标签通用 ===== */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 20px;
  border: 1.5px solid currentColor;
  white-space: nowrap;
  line-height: 1.4;
}

.page-news .tag--fill-red {
  background: var(--primary-red, #E63946);
  border-color: var(--primary-red, #E63946);
  color: var(--light-text, #F1FAEE);
}

.page-news .tag--orange {
  color: var(--vibrant-orange, #F4A261);
  border-color: var(--vibrant-orange, #F4A261);
}

.page-news .tag--green {
  color: var(--moss-green, #2A9D8F);
  border-color: var(--moss-green, #2A9D8F);
}

.page-news .tag--blue {
  color: var(--tech-blue, #1D3557);
  background: rgba(29, 53, 87, 0.15);
  border-color: var(--tech-blue, #1D3557);
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 768px) {
  .page-news .page-heading {
    font-size: 4rem;
    padding-left: 1rem;
  }

  .page-news .page-desc {
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
  }

  /* 标签水平排列更宽松 */
  .page-news .tabs-list {
    gap: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .page-news .tab-label {
    font-size: 1.2rem;
    padding: 0.7rem 2rem;
  }

  .page-news .panel-header {
    flex-wrap: nowrap;
    align-items: center;
  }

  .page-news .panel-img {
    max-width: 280px;
  }

  /* 赛事覆盖网格两列 */
  .page-news .coverage-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .coverage-coming {
    grid-column: span 2;
  }

  /* 卡片头部更紧凑 */
  .page-news .card__head {
    padding: 1rem 1.5rem;
    font-size: 1.05rem;
  }

  .page-news .card__body {
    padding: 0 1.5rem 1.5rem;
  }

  /* 时间线左侧留白更多 */
  .page-news .timeline {
    padding-left: 2.5rem;
  }

  .page-news .timeline::before {
    left: 0.8rem;
  }

  .page-news .timeline-marker {
    left: -2.5rem;
    width: 1.4rem;
    height: 1.4rem;
  }
}

/* ===== 响应式：桌面宽屏 ===== */
@media (min-width: 1024px) {
  .page-news .news-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    grid-template-rows: auto 1fr;
    gap: 0 2rem;
    align-items: start;
  }

  /* radio 放在第一列位置不可见，但通过 grid 顺序调整 */
  .page-news #tab-updates,
  .page-news #tab-leagues,
  .page-news #tab-calendar {
    grid-row: 1;
    grid-column: 1;
  }

  .page-news .tabs-list {
    grid-row: 2;
    grid-column: 1;
    flex-direction: column;
    gap: 0.5rem;
    border-bottom: none;
    border-right: 2px solid var(--news-border-light, rgba(230,57,70,0.25));
    padding-bottom: 0;
    padding-right: 1rem;
    margin-bottom: 0;
    position: sticky;
    top: 2rem;
  }

  .page-news .tab-label {
    width: 100%;
    justify-content: flex-start;
    font-size: 1.15rem;
    padding: 0.75rem 1.2rem;
    border-width: 2px;
  }

  /* 面板占据第二列 */
  .page-news #panel-updates,
  .page-news #panel-leagues,
  .page-news #panel-calendar {
    grid-row: 2;
    grid-column: 2;
  }

  .page-news .panel-header {
    flex-wrap: nowrap;
  }

  .page-news .panel-img {
    max-width: 240px;
    margin-left: auto;
  }

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

  .page-news .coverage-coming {
    grid-column: span 1;
  }

  .page-news .card__head {
    padding: 1rem 1.5rem;
  }

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

  .page-news .timeline::before {
    left: 1rem;
  }

  .page-news .timeline-marker {
    left: -3rem;
    width: 1.6rem;
    height: 1.6rem;
  }

  .page-news .timeline-title {
    font-size: 1.35rem;
  }
}

/* ===== 响应式：超大屏 ===== */
@media (min-width: 1400px) {
  .page-news .news-layout {
    grid-template-columns: 260px 1fr;
    gap: 0 3rem;
  }

  .page-news .panel-img {
    max-width: 300px;
  }

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

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-news .tab-panel {
    animation: none;
  }

  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}