/* ===================== 行业观察页 · 页面专属 CSS ===================== */
.page-news {
  overflow-x: hidden;
}

/* ---------- 首屏刊头区 ---------- */
.page-news .news-intro {
  position: relative;
  overflow: hidden;
  padding: 48px 0 88px;
  background:
    linear-gradient(125deg, rgba(0, 229, 255, .10) 0%, transparent 46%),
    linear-gradient(90deg, rgba(255, 107, 53, .06) 0%, transparent 72%),
    var(--color-navy-800);
  color: var(--color-white);
}

.page-news .news-intro::before {
  content: "INSIGHTS";
  position: absolute;
  right: -18px;
  top: 24px;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 12vw, 8.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.04em;
  color: rgba(255, 255, 255, .035);
  pointer-events: none;
}

.page-news .news-intro::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-orange) 0 22%, var(--color-electric) 22% 46%, var(--color-cyan) 46% 68%, var(--color-purple) 68% 100%);
}

.page-news .news-intro .container {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb {
  margin-bottom: 44px;
  font-size: .8125rem;
  color: rgba(255, 255, 255, .65);
}

.page-news .breadcrumb a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color .2s ease;
}

.page-news .breadcrumb a:hover {
  color: var(--color-white);
}

.page-news .breadcrumb-sep {
  margin: 0 10px;
  color: rgba(255, 255, 255, .4);
}

.page-news .news-kicker {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 14px;
}

.page-news .news-intro h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  font-weight: 900;
  max-width: 900px;
  color: var(--color-white);
}

.page-news .news-intro-desc {
  max-width: 680px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .86);
  margin: 0;
}

.page-news .news-intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-news .news-intro-meta span {
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--color-cyan);
  background: rgba(0, 180, 216, .12);
  border: 1px solid rgba(0, 180, 216, .28);
  padding: 6px 14px;
  border-radius: 999px;
}

/* ---------- 精选文章区 ---------- */
.page-news .news-featured {
  padding: 64px 0;
  background: var(--color-gray-100);
}

.page-news .news-featured .section-header {
  margin-bottom: 32px;
}

.page-news .news-featured .section-header p {
  color: var(--color-gray-500);
  margin-top: 8px;
  max-width: 560px;
  line-height: 1.7;
}

/* 筛选器 */
.page-news .filter-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.page-news .filter-chip {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .8125rem;
  padding: 8px 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: 999px;
  color: var(--color-gray-500);
  background: var(--color-white);
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
  user-select: none;
}

.page-news .filter-chip:hover {
  border-color: var(--color-navy-800);
  color: var(--color-navy-800);
}

.page-news #nflt-all:checked ~ .filter-bar label[for="nflt-all"],
.page-news #nflt-renew:checked ~ .filter-bar label[for="nflt-renew"],
.page-news #nflt-league:checked ~ .filter-bar label[for="nflt-league"],
.page-news #nflt-data:checked ~ .filter-bar label[for="nflt-data"],
.page-news #nflt-insight:checked ~ .filter-bar label[for="nflt-insight"] {
  background: var(--color-navy-800);
  color: var(--color-white);
  border-color: var(--color-navy-800);
  box-shadow: 0 8px 20px rgba(10, 18, 32, .16);
}

/* 文章列表 */
.page-news .posts-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-news .posts-list .post-card {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-news .posts-list .post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(6, 11, 20, .12);
}

.page-news #nflt-all:checked ~ .posts-list .post-card,
.page-news #nflt-renew:checked ~ .posts-list .post-card[data-cat="renew"],
.page-news #nflt-league:checked ~ .posts-list .post-card[data-cat="league"],
.page-news #nflt-data:checked ~ .posts-list .post-card[data-cat="data"],
.page-news #nflt-insight:checked ~ .posts-list .post-card[data-cat="insight"] {
  display: flex;
}

.page-news .post-thumb {
  position: relative;
  overflow: hidden;
  background: var(--color-navy-800);
}

.page-news .post-thumb img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .post-body {
  padding: 24px;
  flex: 1;
  min-width: 0;
}

.page-news .post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--color-gray-500);
}

.page-news .post-index {
  color: var(--color-orange);
  font-weight: 700;
}

.page-news .post-title {
  font-size: 1.35rem;
  line-height: 1.35;
  margin: 14px 0 10px;
  color: var(--color-gray-900);
  font-weight: 900;
}

.page-news .post-excerpt {
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--color-gray-500);
  margin: 0;
}

.page-news .post-figure {
  margin-top: 18px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--color-gray-300);
  background: var(--color-white);
}

.page-news .post-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .post-figure-caption {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--color-gray-500);
  background: var(--color-gray-100);
  border-radius: 0 0 10px 10px;
  padding: 10px 14px;
  margin: 0;
  line-height: 1.6;
}

.page-news .post-foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-top: 20px;
}

.page-news .post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .post-tags span {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--color-navy-700);
  background: var(--color-gray-100);
  border-radius: 4px;
  padding: 4px 10px;
}

.page-news .text-link {
  font-weight: 700;
  font-size: .875rem;
  color: var(--color-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 180, 216, .4);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .text-link:hover {
  color: var(--color-navy-800);
  border-color: var(--color-navy-800);
}

/* 加载更多归档 */
.page-news .posts-more {
  margin-top: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
}

.page-news .posts-more summary {
  cursor: pointer;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .875rem;
  color: var(--color-navy-700);
  list-style: none;
  user-select: none;
}

.page-news .posts-more summary::-webkit-details-marker {
  display: none;
}

.page-news .posts-more summary::before {
  content: "+ ";
  color: var(--color-orange);
  font-weight: 900;
}

.page-news .posts-more[open] summary::before {
  content: "– ";
}

.page-news .archive-grid {
  display: grid;
  gap: 0;
  padding: 0 20px 18px;
}

.page-news .archive-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--color-gray-300);
  font-size: .875rem;
  color: var(--color-gray-500);
  text-decoration: none;
  transition: color .2s ease;
}

.page-news .archive-row:hover {
  color: var(--color-electric);
}

.page-news .archive-index {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--color-orange);
  white-space: nowrap;
}

/* ---------- 专题系列区 ---------- */
.page-news .news-series {
  background:
    radial-gradient(circle at 82% 18%, rgba(123, 44, 191, .18), transparent 30%),
    radial-gradient(circle at 12% 82%, rgba(0, 229, 255, .1), transparent 26%),
    var(--color-navy-800);
  padding: 72px 0;
  color: var(--color-white);
}

.page-news .series-header {
  margin-bottom: 32px;
}

.page-news .series-kicker {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.page-news .series-header h2 {
  font-size: 2rem;
  margin: 10px 0 6px;
  color: var(--color-white);
}

.page-news .series-header p {
  color: rgba(255, 255, 255, .7);
  max-width: 560px;
  line-height: 1.7;
  margin: 0;
}

.page-news .series-banner {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  margin-bottom: 40px;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .25);
}

.page-news .series-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 18, 32, .68) 0%, transparent 60%);
}

.page-news .series-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .series-banner-caption {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 1;
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .18em;
  background: rgba(10, 18, 32, .62);
  border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 999px;
}

.page-news .series-cards {
  display: grid;
  gap: 20px;
}

.page-news .series-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: background .25s ease, border-color .25s ease;
}

.page-news .series-card:hover {
  background: rgba(255, 255, 255, .09);
  border-color: rgba(0, 229, 255, .35);
}

.page-news .series-serial {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--color-orange);
}

.page-news .series-card h3 {
  font-size: 1.375rem;
  color: var(--color-white);
  margin: 10px 0 8px;
}

.page-news .series-card p {
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .72);
  margin: 0;
}

.page-news .series-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-news .series-list li {
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .62);
}

.page-news .series-list a {
  color: rgba(255, 255, 255, .86);
  text-decoration: none;
  transition: color .2s ease;
}

.page-news .series-list a::before {
  content: "→ ";
  color: var(--color-cyan);
}

.page-news .series-list a:hover {
  color: var(--color-cyan);
}

.page-news .series-link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 180, 216, .4);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .series-link:hover {
  color: var(--color-white);
  border-color: var(--color-white);
}

/* ---------- 更新通报区 ---------- */
.page-news .update-section {
  background: var(--color-white);
  padding: 64px 0;
}

.page-news .update-wrap {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-news .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .update-item {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: var(--color-gray-100);
  border-left: 4px solid var(--color-orange);
  border-radius: 8px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-news .update-item:hover {
  transform: translateX(4px);
  box-shadow: 0 10px 24px rgba(6, 11, 20, .06);
}

.page-news .update-tag {
  flex-shrink: 0;
  height: fit-content;
  font-family: var(--font-mono);
  font-size: .75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 107, 53, .14);
  color: var(--color-orange);
  white-space: nowrap;
}

.page-news .update-item h3 {
  font-size: 1.0625rem;
  margin: 0 0 6px;
  color: var(--color-gray-900);
}

.page-news .update-item p {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--color-gray-500);
  margin: 0;
}

.page-news .update-icon-box {
  align-self: start;
  background:
    linear-gradient(145deg, rgba(0, 180, 216, .12), rgba(10, 18, 32, .5)),
    var(--color-navy-800);
  border-radius: var(--radius);
  padding: 26px 24px;
  text-align: center;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, .12);
}

.page-news .update-icon-box img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
}

.page-news .update-icon-box p {
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .74);
  margin: 16px 0 0;
}

/* ---------- 底部 CTA ---------- */
.page-news .insights-cta {
  background:
    linear-gradient(120deg, rgba(255, 107, 53, .1) 0%, transparent 42%),
    var(--color-navy-900);
  padding: 56px 0;
  text-align: center;
}

.page-news .insights-cta h2 {
  font-size: 1.875rem;
  color: var(--color-white);
  margin: 0 0 12px;
}

.page-news .insights-cta p {
  max-width: 620px;
  margin: 0 auto 28px;
  color: rgba(255, 255, 255, .72);
  line-height: 1.7;
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 600px) {
  .page-news .post-foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-news .series-banner img {
    height: 400px;
  }

  .page-news .series-banner-caption {
    left: 28px;
    bottom: 28px;
  }
}

@media (min-width: 860px) {
  .page-news .news-intro {
    padding: 64px 0 104px;
  }

  .page-news .post-card {
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .post-thumb {
    width: 320px;
    flex-shrink: 0;
    min-height: 220px;
  }

  .page-news .post-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .page-news .post-body {
    padding: 28px;
  }

  .page-news .series-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-news .series-card {
    padding: 28px;
  }
}

@media (min-width: 960px) {
  .page-news .update-wrap {
    grid-template-columns: 1fr 280px;
    gap: 40px;
  }

  .page-news .update-item {
    padding: 20px 22px;
  }

  .page-news .update-icon-box {
    position: sticky;
    top: 24px;
  }
}