.page-news {
  --news-bg-line: rgba(255,255,255,.05);
  background: var(--color-bg);
  color: var(--color-text);
}

.page-news [id] {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

/* ---------- 顶部页头 ---------- */
.page-news__head {
  position: relative;
  padding: 36px 0 40px;
  margin-bottom: 28px;
  background:
    linear-gradient(var(--news-bg-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-bg-line) 1px, transparent 1px),
    linear-gradient(135deg, var(--color-ink), var(--color-bg) 64%);
  background-size: 40px 40px, 40px 40px, auto;
  border-bottom: 2px solid rgba(255,107,53,.45);
}

.page-news__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 4px;
  width: 42%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-green));
}

.page-news__head .breadcrumb {
  margin-bottom: 22px;
}

.page-news__eyebrow {
  font-family: var(--font-data);
  font-size: var(--text-sm);
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.page-news__title {
  font-family: var(--font-heading);
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: .02em;
}

.page-news__title::after {
  content: "";
  display: block;
  width: 56px;
  height: 6px;
  margin-top: 14px;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-news__lead {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-text-warm);
  max-width: 660px;
  margin: 0 0 28px;
}

.page-news__head-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news__head-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  background: rgba(17,34,64,.72);
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.page-news__head-stat .data-num {
  font-family: var(--font-data);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

/* ---------- 热门新闻卡片 ---------- */
.page-news__feature {
  margin-bottom: 32px;
}

.page-news__feature-card {
  display: block;
  background: var(--color-bg-light);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-news__feature-media {
  position: relative;
}

.page-news__feature-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news__feature-flag {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
}

.page-news__feature-body {
  padding: 26px 20px 28px;
}

.page-news__feature-kicker {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 8px;
}

.page-news__feature-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 12px;
}

.page-news__feature-summary {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0 0 22px;
}

/* ---------- 分类筛选标签 ---------- */
.page-news__filters {
  position: sticky;
  top: var(--header-height);
  z-index: 20;
  margin-bottom: 36px;
  background: rgba(10,25,47,.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255,255,255,.05);
  border-bottom: 1px solid rgba(255,107,53,.22);
}

.page-news__filters-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 12px var(--container-gutter);
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news__filters-inner::-webkit-scrollbar {
  display: none;
}

.page-news__filter {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 10px 16px;
  background: rgba(17,34,64,.55);
  border: 1px solid rgba(255,255,255,.08);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.page-news__filter:hover,
.page-news__filter:focus-visible {
  color: var(--color-text);
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

/* ---------- 时间轴 ---------- */
.page-news__timeline-wrap {
  padding-bottom: 72px;
}

.page-news__timeline {
  position: relative;
  padding-left: 26px;
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), rgba(17,34,64,.6) 32%, rgba(17,34,64,.6) 68%, var(--color-green));
}

.page-news__group + .page-news__group {
  margin-top: 8px;
}

.page-news__group .section-title {
  margin: 36px 0 16px;
}

.page-news__group:first-child .section-title {
  margin-top: 0;
}

@keyframes page-news-pulse {
  0% {
    background-color: var(--color-accent-soft);
  }
  100% {
    background-color: transparent;
  }
}

.page-news__group .section-title:target {
  animation: page-news-pulse 1.4s ease;
}

.page-news__item {
  position: relative;
  margin-bottom: 14px;
}

.page-news__node {
  position: absolute;
  left: -26px;
  top: 26px;
  width: 12px;
  height: 12px;
  z-index: 1;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%);
}

.page-news__detail {
  background: rgba(17,34,64,.42);
  border-left: 3px solid transparent;
  transition: background var(--transition-fast), border-left-color var(--transition-fast);
}

.page-news__detail[open] {
  background: var(--color-bg-light);
  border-left-color: var(--color-accent);
}

.page-news__summary {
  list-style: none;
  display: block;
  cursor: pointer;
  padding: 18px 16px;
  transition: background var(--transition-fast);
}

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

.page-news__summary:hover {
  background: rgba(17,34,64,.68);
}

.page-news__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news__date {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: .06em;
}

.page-news__item-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 8px;
}

.page-news__excerpt {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0 0 12px;
}

.page-news__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.page-news__toggle-close {
  display: none;
}

.page-news__toggle-icon::before {
  content: "+";
  display: inline-block;
  font-family: var(--font-data);
  font-size: var(--text-base);
  line-height: 1;
  transition: transform var(--transition-fast);
}

.page-news__detail[open] .page-news__toggle-open {
  display: none;
}

.page-news__detail[open] .page-news__toggle-close {
  display: inline;
}

.page-news__detail[open] .page-news__toggle-icon::before {
  transform: rotate(45deg);
  color: var(--color-green);
}

/* ---------- 新闻分类标签 ---------- */
.page-news__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
  padding: 5px 10px;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(255,107,53,.32);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-news__tag--platform {
  color: #A9BFE8;
  background: rgba(148,163,184,.12);
  border-color: rgba(148,163,184,.34);
}

.page-news__tag--match {
  color: var(--color-text-warm);
  background: rgba(245,240,230,.1);
  border-color: rgba(245,240,230,.3);
}

.page-news__tag--member {
  color: var(--color-green);
  background: rgba(57,255,20,.08);
  border-color: rgba(57,255,20,.3);
}

/* ---------- 展开全文 ---------- */
.page-news__full {
  padding: 2px 16px 20px;
  border-top: 1px dashed rgba(255,255,255,.1);
}

.page-news__full p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-text-warm);
  margin: 12px 0 0;
  max-width: 70ch;
}

.page-news__full a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition-fast);
}

.page-news__full a:hover {
  color: var(--color-green);
}

.page-news__full-img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 14px 0 4px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-news__full-img--member {
  max-width: 300px;
}

/* ---------- 尾部内容 ---------- */
.page-news__outro {
  margin-top: 48px;
}

.page-news__outro-card {
  padding: 30px 22px;
  background:
    linear-gradient(135deg, rgba(255,107,53,.1), rgba(57,255,20,.04)),
    var(--color-bg-light);
  border-left: 4px solid var(--color-accent);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.page-news__outro-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 12px;
}

.page-news__outro-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0 0 22px;
  max-width: 560px;
}

.page-news__outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 桌面端适配 ---------- */
@media (min-width: 860px) {
  .page-news__head {
    padding: 64px 0 60px;
    margin-bottom: 44px;
  }

  .page-news__head-stats {
    gap: 16px;
  }

  .page-news__head-stat {
    padding: 16px 26px;
  }

  .page-news__head-stat .data-num {
    font-size: var(--text-3xl);
  }

  .page-news__feature {
    margin-bottom: 44px;
  }

  .page-news__feature-card {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: stretch;
  }

  .page-news__feature-media {
    order: 2;
    min-height: 320px;
  }

  .page-news__feature-media img {
    height: 100%;
    object-fit: cover;
  }

  .page-news__feature-body {
    order: 1;
    padding: 44px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-news__feature-title {
    font-size: var(--text-3xl);
    line-height: 1.15;
  }

  .page-news__feature-summary {
    font-size: var(--text-lg);
  }

  .page-news__filters {
    margin-bottom: 48px;
  }

  .page-news__timeline-wrap {
    padding-bottom: 96px;
  }

  .page-news__timeline {
    padding-left: 44px;
  }

  .page-news__timeline::before {
    left: 9px;
  }

  .page-news__node {
    left: -44px;
    width: 18px;
    height: 18px;
  }

  .page-news__group .section-title {
    margin: 48px 0 20px;
  }

  .page-news__item {
    margin-bottom: 18px;
  }

  .page-news__summary {
    padding: 26px 28px;
  }

  .page-news__meta {
    margin-bottom: 12px;
  }

  .page-news__item-title {
    font-size: var(--text-xl);
    margin-bottom: 10px;
  }

  .page-news__excerpt {
    font-size: var(--text-base);
    margin-bottom: 14px;
  }

  .page-news__full {
    padding: 6px 28px 28px;
    overflow: hidden;
  }

  .page-news__full-img {
    float: right;
    width: 46%;
    max-width: 400px;
    margin: 8px 0 16px 28px;
  }

  .page-news__full-img--member {
    float: none;
    max-width: 300px;
    margin: 14px 0 4px;
  }

  .page-news__outro {
    margin-top: 64px;
  }

  .page-news__outro-card {
    padding: 44px 48px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

  .page-news__outro-text {
    margin-bottom: 0;
  }
}