.page-news {
  --cover-bg: var(--green-deep);
  --cover-text: var(--white);
  --paper-shadow: 8px 8px 0 rgba(27, 67, 50, 0.14);
  --soft-line: rgba(45, 106, 79, 0.25);
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ============ 首屏期刊封面 ============ */
.page-news .news-cover {
  background:
    linear-gradient(135deg, rgba(45, 106, 79, 0.45) 0%, transparent 55%),
    var(--cover-bg);
  color: var(--cover-text);
  padding: var(--space-xl) 0 var(--space-lg);
  position: relative;
}

.page-news .cover-frame {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.page-news .breadcrumbs {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-md);
}

.page-news .breadcrumbs a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

.page-news .breadcrumbs a:hover {
  color: var(--orange);
}

.page-news .breadcrumbs-sep {
  margin: 0 6px;
  color: rgba(255, 255, 255, 0.4);
}

.page-news .cover-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-light);
  border-left: 4px solid var(--orange);
  padding-left: var(--space-sm);
  margin: 0 0 var(--space-md);
}

.page-news .cover-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-md);
  color: var(--cover-text);
}

.page-news .cover-lead {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.86);
  max-width: 56ch;
  margin: 0 0 var(--space-lg);
}

.page-news .cover-issue {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  margin-bottom: var(--space-lg);
}

.page-news .issue-vol {
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
  color: var(--orange);
  border: 1px solid var(--orange);
  padding: 3px 10px;
  letter-spacing: 0.04em;
}

.page-news .issue-theme {
  font-size: 14px;
  color: var(--green-light);
  letter-spacing: 0.03em;
}

.page-news .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-news .cover-actions .btn {
  border-radius: var(--radius);
  padding: 10px 20px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

.page-news .cover-actions .btn-accent {
  background: var(--orange);
  border: 1px solid var(--orange);
  color: var(--white);
}

.page-news .cover-actions .btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: var(--cover-text);
}

.page-news .cover-media .cover-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  box-shadow: 14px 14px 0 rgba(0, 0, 0, 0.2);
}

.page-news .cover-strip {
  max-width: var(--container);
  margin: var(--space-xl) auto 0;
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  font-family: var(--font-data);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.page-news .cover-strip span::before {
  content: "●";
  color: var(--orange);
  margin-right: 8px;
}

/* ============ 主体两栏 ============ */
.page-news .news-main {
  display: grid;
  gap: var(--space-xl);
  padding: var(--space-xl) var(--space-md);
  max-width: var(--container);
  margin: 0 auto;
}

.page-news .section-heading {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  border-bottom: 2px solid var(--green-deep);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-md);
}

.page-news .section-index {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.05em;
}

.page-news .section-title {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 900;
  color: var(--green-deep);
  margin: 0;
  letter-spacing: 0.02em;
}

/* ============ 分类索引 ============ */
.page-news .news-index {
  display: grid;
  gap: var(--space-sm);
  align-content: start;
}

.page-news .index-desc {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin: 0 0 var(--space-sm);
}

.page-news .index-nav {
  display: grid;
  gap: var(--space-sm);
}

.page-news .index-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--gray);
  border-left: 4px solid var(--green);
  box-shadow: 6px 6px 0 rgba(27, 67, 50, 0.1);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-news .index-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(27, 67, 50, 0.16);
}

.page-news .index-card--blue {
  border-left-color: var(--blue);
}

.page-news .index-card--orange {
  border-left-color: var(--orange);
}

.page-news .index-card--deep {
  border-left-color: var(--green-deep);
}

.page-news .index-num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.06em;
}

.page-news .index-card--blue .index-num {
  color: var(--blue);
}

.page-news .index-card--orange .index-num {
  color: var(--orange);
}

.page-news .index-card--deep .index-num {
  color: var(--green-deep);
}

.page-news .index-name {
  display: block;
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  margin: 4px 0 2px;
}

.page-news .index-count {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--blue);
}

.page-news .index-note {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: #555;
  margin-top: 6px;
}

.page-news .index-refresh {
  background: var(--green-light);
  border: 1px solid var(--soft-line);
  padding: var(--space-md);
}

.page-news .refresh-time {
  font-weight: 800;
  color: var(--green-deep);
  font-size: 15px;
  margin: 0 0 4px;
}

.page-news .refresh-detail {
  font-family: var(--font-data);
  font-size: 17px;
  font-weight: 700;
  color: var(--green);
  margin: 0 0 6px;
}

.page-news .refresh-note {
  font-size: 13px;
  line-height: 1.7;
  color: #444;
  margin: 0;
}

/* ============ 最新发布 ============ */
.page-news .news-feed {
  min-width: 0;
}

.page-news .feed-intro {
  font-size: 14px;
  color: #555;
  margin: 0 0 var(--space-lg);
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: var(--space-lg);
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--orange) 0 24px, var(--green-light) 24px 100%);
}

.page-news .timeline-item {
  position: relative;
  padding-left: 46px;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 30px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--orange);
  box-shadow: 0 0 0 3px rgba(231, 111, 81, 0.18);
}

.page-news .article-card {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--white);
  box-shadow: var(--paper-shadow);
  position: relative;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-news .article-card::after {
  content: "";
  position: absolute;
  inset: 6px -6px -6px 6px;
  background: var(--green-light);
  z-index: -1;
}

.page-news .article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 28px rgba(27, 67, 50, 0.14);
}

.page-news .article-media {
  overflow: hidden;
  background: var(--gray);
  aspect-ratio: 4 / 3;
}

.page-news .article-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.page-news .article-card:hover .article-media img {
  transform: scale(1.03);
}

.page-news .article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.page-news .article-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-news .tag-update {
  background: var(--green);
}

.page-news .tag-season {
  background: var(--blue);
}

.page-news .tag-tutorial {
  background: var(--orange);
}

.page-news .tag-report {
  background: var(--green-deep);
}

.page-news .article-vol {
  font-family: var(--font-data);
  font-size: 13px;
  color: #777;
  margin-left: auto;
}

.page-news .article-copy h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.42;
  color: var(--green-deep);
  margin: 0 0 var(--space-sm);
}

.page-news .article-summary {
  font-size: 15px;
  line-height: 1.8;
  color: #444;
  margin: 0 0 var(--space-md);
}

.page-news .article-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xs);
  border-top: 1px solid var(--gray);
  padding-top: var(--space-sm);
  font-size: 13px;
  color: #777;
}

.page-news .article-foot a {
  color: var(--orange);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-news .article-foot a:hover {
  border-bottom-color: var(--orange);
}

/* ============ 热门专题 ============ */
.page-news .news-featured {
  background: var(--green-light);
  padding: var(--space-xl) var(--space-md);
}

.page-news .featured-desc {
  font-size: 14px;
  color: #555;
  margin: 0 0 var(--space-lg);
}

.page-news .featured-grid {
  display: grid;
  gap: var(--space-lg);
}

.page-news .featured-card {
  background: var(--white);
  border: 1px solid rgba(45, 106, 79, 0.18);
  box-shadow: 6px 6px 0 rgba(27, 67, 50, 0.1);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  display: grid;
  gap: var(--space-xs);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-news .featured-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--green) 0 60%, var(--orange) 60% 100%);
}

.page-news .featured-card:hover {
  transform: translateY(-3px);
  box-shadow: 10px 10px 0 rgba(27, 67, 50, 0.16);
}

.page-news .featured-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 2px 8px;
  display: inline-block;
  justify-self: start;
}

.page-news .featured-label--blue {
  color: var(--blue);
  border-color: var(--blue);
}

.page-news .featured-card h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.45;
  color: var(--green-deep);
  margin: 4px 0 0;
}

.page-news .featured-card p {
  font-size: 14px;
  line-height: 1.75;
  color: #444;
  margin: 0;
}

.page-news .featured-data {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--blue);
  background: var(--gray);
  padding: var(--space-xs) var(--space-sm);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* ============ 继续浏览 ============ */
.page-news .news-more {
  background: var(--green-deep);
  color: var(--white);
  padding: var(--space-xl) var(--space-md);
}

.page-news .more-heading {
  display: grid;
  gap: 4px;
  margin-bottom: var(--space-lg);
}

.page-news .more-heading h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 24px;
  color: var(--white);
  margin: 0;
}

.page-news .more-heading p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.page-news .more-grid {
  display: grid;
  gap: var(--space-md);
}

.page-news .more-card {
  display: block;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-left: 4px solid var(--orange);
  padding: var(--space-md);
  text-decoration: none;
  color: var(--white);
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-news .more-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.page-news .more-index {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--orange);
}

.page-news .more-card h3 {
  font-weight: 800;
  font-size: 17px;
  color: var(--white);
  margin: 4px 0 4px;
}

.page-news .more-card p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

/* ============ 桌面端布局 ============ */
@media (min-width: 960px) {
  .page-news .cover-frame {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-xl);
  }

  .page-news .news-main {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--header-h) + var(--space-md));
  }

  .page-news .article-card {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .featured-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  .page-news .more-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}