/* ============================================
   page-news.css — 内容观察页面专属样式
   作用域限定 .page-news
   ============================================ */
.page-news {
  --news-red: #D32F2F;
  --news-black: #212121;
  --news-white: #FFFFFF;
  --news-gold: #D4AF37;
  --news-gray: #9E9E9E;
  --news-dark-red: #B71C1C;
  --news-dark: #121212;
  --news-overlay: rgba(211,47,47,0.08);
  --news-font-heading: 'Impact','Arial Black','Oswald',sans-serif;
  --news-font-body: 'Inter','Helvetica Neue','Helvetica','Arial',sans-serif;
  --news-radius: 4px;
  --news-transition: 0.3s ease;
  --news-shadow-card: 0 2px 12px rgba(0,0,0,0.06);
  --news-shadow-elevated: 0 8px 30px rgba(0,0,0,0.10);
  --news-timeline-width: 4px;
  --news-timeline-color: #D4AF37;
  --news-section-gap: 3rem;
  display: block;
  width: 100%;
}

/* ---------- 英雄区 ---------- */
.page-news__hero {
  position: relative;
  background: var(--news-black);
  padding: 4rem 0 3rem;
  overflow: hidden;
  margin-bottom: var(--news-section-gap);
}
.page-news__hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(135deg, transparent 30%, var(--news-red) 30%, var(--news-red) 70%, transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}
.page-news__hero-shape {
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%;
  height: 60px;
  background: var(--news-white);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  opacity: 0.95;
}
.page-news__hero .breadcrumb {
  margin-bottom: 1.5rem;
}
.page-news__hero .breadcrumb a {
  color: var(--news-gold);
  text-decoration: none;
  font-family: var(--news-font-body);
  font-size: 0.875rem;
  transition: color var(--news-transition);
}
.page-news__hero .breadcrumb a:hover {
  color: var(--news-white);
}
.page-news__hero .breadcrumb span {
  color: var(--news-gray);
  font-size: 0.875rem;
  margin: 0 0.4rem;
}
.page-news__hero .breadcrumb span:last-child {
  color: var(--news-white);
  font-weight: 600;
}
.page-news__title {
  font-family: var(--news-font-heading);
  font-size: clamp(2.2rem, 6vw, 4rem);
  color: var(--news-white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.3rem;
  line-height: 1.1;
  position: relative;
  z-index: 1;
}
.page-news__subtitle {
  font-family: var(--news-font-body);
  font-size: 1.05rem;
  color: var(--news-gold);
  letter-spacing: 0.15em;
  margin: 0;
  position: relative;
  z-index: 1;
  font-weight: 300;
}

/* ---------- 通用节标题 ---------- */
.page-news__section-header {
  margin-bottom: 2rem;
  border-left: 4px solid var(--news-red);
  padding-left: 1.2rem;
}
.page-news__section-header .tag {
  display: inline-block;
  background: var(--news-black);
  color: var(--news-gold);
  font-family: var(--news-font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.8rem;
  border-radius: var(--news-radius);
  margin-bottom: 0.6rem;
}
.page-news__section-title {
  font-family: var(--news-font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--news-black);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 0.4rem;
  line-height: 1.2;
}
.page-news__section-desc {
  font-family: var(--news-font-body);
  font-size: 1rem;
  color: var(--news-gray);
  margin: 0;
  max-width: 600px;
  line-height: 1.5;
}

/* ---------- 时间线 ---------- */
.page-news__timeline {
  padding: 0 0 var(--news-section-gap);
}
.page-news__timeline-track {
  position: relative;
  padding-left: 2rem;
}
.page-news__timeline-line {
  position: absolute;
  top: 0;
  left: 0.7rem;
  width: var(--news-timeline-width);
  height: 100%;
  background: linear-gradient(to bottom, var(--news-gold), var(--news-red), var(--news-gold));
  border-radius: 2px;
  opacity: 0.5;
}
.page-news__timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 1.8rem;
}
.page-news__timeline-item:last-child {
  margin-bottom: 0;
}
.page-news__timeline-marker {
  position: absolute;
  left: -1.6rem;
  top: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-news__timeline-year {
  font-family: var(--news-font-heading);
  font-size: 0.8rem;
  color: var(--news-black);
  background: var(--news-white);
  border: 2px solid var(--news-gold);
  border-radius: 20px;
  padding: 0.15rem 0.8rem;
  white-space: nowrap;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: 0 0 0 4px rgba(212,175,55,0.15);
}
.page-news__timeline-card {
  background: var(--news-white);
  border-radius: var(--news-radius);
  box-shadow: var(--news-shadow-card);
  overflow: hidden;
  transition: box-shadow var(--news-transition), transform var(--news-transition);
  border-left: 3px solid var(--news-red);
}
.page-news__timeline-card:hover {
  box-shadow: var(--news-shadow-elevated);
  transform: translateY(-3px);
}
.page-news__timeline-card .card__image {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
}
.page-news__timeline-card .card__body {
  padding: 1.2rem 1.4rem 1.4rem;
}
.page-news__timeline-card .card__body .tag {
  display: inline-block;
  background: var(--news-red);
  color: var(--news-white);
  font-family: var(--news-font-body);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.7rem;
  border-radius: var(--news-radius);
  margin-bottom: 0.6rem;
}
.page-news__timeline-card .card__title {
  font-family: var(--news-font-heading);
  font-size: 1.15rem;
  color: var(--news-black);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.page-news__timeline-card .card__text {
  font-family: var(--news-font-body);
  font-size: 0.9rem;
  color: #444;
  line-height: 1.6;
  margin: 0 0 1rem;
}
.page-news__timeline-card .btn {
  font-family: var(--news-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 1.2rem;
  border: 2px solid var(--news-red);
  color: var(--news-red);
  background: transparent;
  border-radius: var(--news-radius);
  text-decoration: none;
  display: inline-block;
  transition: background var(--news-transition), color var(--news-transition);
}
.page-news__timeline-card .btn:hover {
  background: var(--news-red);
  color: var(--news-white);
}

/* ---------- 使用指南 ---------- */
.page-news__guide {
  padding: 0 0 var(--news-section-gap);
  background: var(--news-overlay);
  padding-top: 2rem;
  padding-bottom: 3rem;
}
.page-news__guide .grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-news__guide-card {
  background: var(--news-white);
  border-radius: var(--news-radius);
  box-shadow: var(--news-shadow-card);
  overflow: hidden;
  transition: box-shadow var(--news-transition), transform var(--news-transition);
  border-bottom: 3px solid var(--news-gold);
}
.page-news__guide-card:hover {
  box-shadow: var(--news-shadow-elevated);
  transform: translateY(-3px);
}
.page-news__guide-card .card__image {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
}
.page-news__guide-card .card__body {
  padding: 1.3rem 1.4rem 1.5rem;
}
.page-news__guide-card .card__title {
  font-family: var(--news-font-heading);
  font-size: 1.2rem;
  color: var(--news-black);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.page-news__guide-card .card__text {
  font-family: var(--news-font-body);
  font-size: 0.9rem;
  color: #444;
  line-height: 1.6;
  margin: 0 0 1rem;
}
.page-news__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step-counter;
}
.page-news__steps li {
  counter-increment: step-counter;
  font-family: var(--news-font-body);
  font-size: 0.85rem;
  color: #333;
  padding: 0.4rem 0 0.4rem 2rem;
  position: relative;
  line-height: 1.5;
  border-bottom: 1px dashed rgba(0,0,0,0.06);
}
.page-news__steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 1.4rem;
  height: 1.4rem;
  background: var(--news-red);
  color: var(--news-white);
  font-family: var(--news-font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  line-height: 1;
}
.page-news__steps li:last-child {
  border-bottom: none;
}

/* ---------- 球迷专区 ---------- */
.page-news__fan-zone {
  padding: 0 0 var(--news-section-gap);
}
.page-news__fan-zone-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}
.page-news__fan-zone-visual {
  order: 2;
}
.page-news__fan-zone-img {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--news-radius);
  box-shadow: var(--news-shadow-card);
  display: block;
}
.page-news__fan-zone-info {
  order: 1;
}
.page-news__fan-zone-card {
  background: var(--news-white);
  border-radius: var(--news-radius);
  box-shadow: var(--news-shadow-card);
  overflow: hidden;
  border-top: 4px solid var(--news-gold);
}
.page-news__fan-zone-card .card__body {
  padding: 1.4rem 1.5rem 1.6rem;
}
.page-news__fan-zone-card .card__title {
  font-family: var(--news-font-heading);
  font-size: 1.3rem;
  color: var(--news-black);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.6rem;
  line-height: 1.3;
}
.page-news__fan-zone-card .card__text {
  font-family: var(--news-font-body);
  font-size: 0.9rem;
  color: #444;
  line-height: 1.6;
  margin: 0 0 1rem;
}
.page-news__feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
}
.page-news__feature-list li {
  font-family: var(--news-font-body);
  font-size: 0.85rem;
  color: #333;
  padding: 0.3rem 0 0.3rem 1.5rem;
  position: relative;
  line-height: 1.4;
}
.page-news__feature-list li::before {
  content: '◆';
  position: absolute;
  left: 0;
  top: 0.3rem;
  color: var(--news-red);
  font-size: 0.6rem;
}
.page-news__fan-zone-card .btn--gold {
  font-family: var(--news-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.5rem;
  background: var(--news-gold);
  color: var(--news-black);
  border: none;
  border-radius: var(--news-radius);
  text-decoration: none;
  display: inline-block;
  transition: background var(--news-transition), transform var(--news-transition);
  letter-spacing: 0.03em;
}
.page-news__fan-zone-card .btn--gold:hover {
  background: #c5a030;
  transform: scale(1.02);
}

/* ---------- 底部氛围 ---------- */
.page-news__atmosphere {
  width: 100%;
  overflow: hidden;
  margin-top: 1rem;
}
.page-news__atmosphere-img {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  display: block;
  opacity: 0.85;
}

/* ============================================
   响应式 - 桌面 (≥768px)
   ============================================ */
@media (min-width: 768px) {
  .page-news__hero {
    padding: 5rem 0 4rem;
  }
  .page-news__hero::before {
    width: 40%;
  }

  /* 时间线横向扩展 */
  .page-news__timeline-track {
    padding-left: 3rem;
  }
  .page-news__timeline-line {
    left: 1rem;
  }
  .page-news__timeline-marker {
    left: -2.2rem;
  }
  .page-news__timeline-item {
    padding-left: 2.5rem;
  }
  .page-news__timeline-card .card__image {
    max-height: 220px;
  }

  /* 指南两列 */
  .page-news__guide .grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  /* 球迷专区并排 */
  .page-news__fan-zone-layout {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .page-news__fan-zone-visual {
    order: 1;
  }
  .page-news__fan-zone-info {
    order: 2;
  }
  .page-news__fan-zone-img {
    max-height: 350px;
  }

  /* 底部氛围图更高 */
  .page-news__atmosphere-img {
    max-height: 400px;
  }
}

/* ============================================
   响应式 - 大桌面 (≥1024px)
   ============================================ */
@media (min-width: 1024px) {
  .page-news__hero {
    padding: 6rem 0 5rem;
  }
  .page-news__timeline-card {
    display: flex;
    align-items: flex-start;
  }
  .page-news__timeline-card .card__image {
    width: 280px;
    max-height: 100%;
    flex-shrink: 0;
  }
  .page-news__timeline-card .card__body {
    flex: 1;
  }
  .page-news__fan-zone-layout {
    gap: 3rem;
  }
}