body {
  background: #f8f9fa;
}

.reading-progress-bar {
  position: fixed;
  /* 位于吸顶顶栏（白条 + 主导航）下缘之下，避免与导航叠在同一带 */
  top: 118px;
  left: 0;
  width: 0;
  height: 3px;
  background: #e8460a;
  z-index: 999;
  transition: width .1s linear;
}

body.admin-bar .reading-progress-bar {
  top: calc(118px + 32px);
}

@media screen and (max-width: 782px) {
  body.admin-bar .reading-progress-bar {
    top: calc(118px + 46px);
  }
}

.article-hero {
  position: relative;
  z-index: 0;
  overflow: hidden;
  isolation: isolate;
}

.article-hero-img-bg {
  width: 100%;
  aspect-ratio: 21 / 3.5;
  /* 须 ≥ 标题区实际高度，否则 .article-hero-content 仅 bottom:0 会算出负 top，内容上移盖住顶栏 */
  min-height: clamp(260px, 36vw, 440px);
  background: #c0c0c0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: block;
}

.article-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(0,0,0,.30) 0%, rgba(0,0,0,.78) 100%);
}

.article-hero-content {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 2;
  padding: 40px 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.article-hero-content .container {
  max-width: 900px;
}

.article-breadcrumb {
  font-size: 12px;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
}

.article-breadcrumb a {
  color: rgba(255,255,255,.6);
}

.article-breadcrumb .current {
  color: #e8460a;
}

.article-topic-tag {
  display: inline-block;
  background: #e8460a;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.article-hero h1 {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  max-width: 760px;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255,255,255,.75);
  font-size: 13px;
  margin-bottom: 18px;
}

.share-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.share-btn {
  border: none;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.share-twitter {
  background: #000;
  color: #fff;
}

.share-facebook {
  background: #1877f2;
  color: #fff;
}

.share-linkedin {
  background: #0a66c2;
  color: #fff;
}

.share-copy {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
}

.share-btn:hover {
  opacity: .85;
}

.article-main {
  padding: 30px 0 26px;
}

.article-layout {
  display: flex;
  align-items: flex-start;
  gap: 28px;
}

.article-left {
  flex: 0 0 68%;
  min-width: 0;
}

.article-right {
  flex: 0 0 28%;
  margin-left: auto;
}

.article-content {
  font-size: 16px;
  color: #333;
  line-height: 1.85;
  max-width: 720px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 36px 0 14px;
  border-bottom: 2px solid #e8460a;
  display: inline-block;
  padding-bottom: 8px;
}

.article-content ul {
  padding-left: 22px;
  margin-bottom: 20px;
}

.article-content li {
  padding: 4px 0;
  line-height: 1.7;
}

.article-content blockquote {
  border-left: 4px solid #e8460a;
  background: #fff8f5;
  border-radius: 0 6px 6px 0;
  padding: 14px 20px;
  margin: 24px 0;
  font-style: italic;
  color: #555;
  font-size: 15px;
}

.article-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  margin: 32px 0;
}

.article-footer-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.article-footer-tags-label {
  font-size: 12px;
  color: #888;
  font-weight: 500;
}

.article-share-row {
  display: flex;
  gap: 8px;
}

.author-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  text-align: center;
}

.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #e0e0e0;
  display: block;
  margin: 0 auto 12px;
}

.author-name {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 3px;
}

.author-title {
  font-size: 12px;
  color: #e8460a;
  font-weight: 500;
  margin-bottom: 10px;
}

.author-bio {
  font-size: 12px;
  color: #666;
  line-height: 1.6;
  text-align: left;
  padding: 10px 0;
  border-top: 1px solid #f5f5f5;
  border-bottom: 1px solid #f5f5f5;
  margin-bottom: 10px;
}

.sidebar-widget {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 16px;
}

.widget-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  display: inline-block;
  width: 100%;
  border-bottom: 2px solid #e8460a;
  margin-bottom: 14px;
  padding-bottom: 10px;
}

.related-news-item {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid #f5f5f5;
}

.related-news-item:last-child {
  border-bottom: none;
}

.related-news-img {
  width: 64px;
  height: 48px;
  border-radius: 4px;
  background: #e0e0e0;
  flex-shrink: 0;
}

.related-news-title {
  font-size: 12px;
  font-weight: 600;
  color: #1a1a1a;
  line-height: 1.4;
  margin-bottom: 4px;
}

.related-news-meta {
  font-size: 11px;
  color: #aaa;
}

.market-snapshot-widget {
  background: #1a1a2e;
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 16px;
}

.market-snapshot-widget .widget-title {
  color: #fff;
  border-bottom-color: #e8460a;
}

.market-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.market-row:last-of-type {
  border-bottom: none;
}

.market-pair {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.market-price {
  font-size: 13px;
  color: rgba(255,255,255,.85);
}

.market-change-up {
  font-size: 12px;
  font-weight: 600;
  color: #4caf50;
}

.market-change-down {
  font-size: 12px;
  font-weight: 600;
  color: #f44336;
}

.market-updated {
  font-size: 11px;
  color: rgba(255,255,255,.4);
  margin-top: 10px;
  text-align: right;
}

.subscribe-widget {
  background: linear-gradient(135deg, #1a1a2e, #2a2a4e);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.subscribe-widget .widget-title {
  color: #fff;
  border-bottom-color: #e8460a;
}

.subscribe-desc {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  line-height: 1.6;
  margin-bottom: 14px;
}

.subscribe-input {
  width: 100%;
  background: rgba(255,255,255,.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px;
  padding: 9px 12px;
  font-size: 13px;
  outline: none;
  margin-bottom: 8px;
}

.subscribe-input::placeholder {
  color: rgba(255,255,255,.4);
}

.subscribe-btn {
  width: 100%;
  background: #e8460a;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.subscribe-note {
  font-size: 11px;
  color: rgba(255,255,255,.4);
  margin-top: 8px;
  text-align: center;
}

.subscribe-note::before {
  content: "✓ ";
  color: #4caf50;
}

.related-news-section {
  background: #f8f9fa;
  padding: 40px 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 4px;
}

.related-news-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 16px;
  margin: 20px 0 24px;
}

.news-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 8px;
  overflow: hidden;
  transition: all .2s;
}

.news-card:hover {
  border-color: #e8460a;
  box-shadow: 0 4px 16px rgba(232,70,10,.1);
  transform: translateY(-2px);
}

.news-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: #e0e0e0;
  display: block;
}

.news-card-body {
  padding: 14px 16px;
}

.news-topic-tag {
  display: inline-block;
  background: #fff0eb;
  color: #e8460a;
  font-size: 10px;
  font-weight: 600;
  border-radius: 3px;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 6px;
}

.news-card-title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  line-height: 1.45;
  margin-bottom: 8px;
}

.news-card-excerpt {
  font-size: 12px;
  color: #888;
  line-height: 1.55;
  margin-bottom: 10px;
}

.news-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #f5f5f5;
  padding-top: 10px;
}

.news-card-meta {
  font-size: 11px;
  color: #aaa;
}

.news-read-more {
  font-size: 12px;
  font-weight: 600;
  color: #e8460a;
}

.related-all-link {
  display: block;
  text-align: center;
  color: #e8460a;
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 1024px) {
  .article-layout {
    flex-direction: column;
  }

  .article-left,
  .article-right {
    flex: 1 1 100%;
    width: 100%;
  }

  .related-news-grid {
    grid-template-columns: repeat(2,1fr);
  }

  .article-hero h1 {
    font-size: 36px;
  }
}

@media (max-width: 700px) {
  .related-news-grid {
    grid-template-columns: 1fr;
  }
}