/* ===== CSS Variables - 深蓝主题 ===== */
:root {
  --primary: #0A2463;
  --primary-dark: #071A4A;
  --primary-light: #3E7CB1;
  --white: #FFFFFF;
  --bg-light: #F5F7FA;
  --text-dark: #1A1A2E;
  --text-muted: #6B7A90;
  --border: #E2E8F0;
  --shadow: 0 4px 20px rgba(10, 36, 99, 0.08);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text-dark); line-height: 1.6; background: var(--white);
}
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }

.container { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
  box-shadow: 0 1px 10px rgba(10,36,99,0.08); transition: var(--transition);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--primary); font-weight: 700; font-size: 1.2rem; }
.logo-img { height: 60px; width: auto; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav-link { padding: 8px 16px; color: var(--text-dark); font-weight: 500; border-radius: var(--radius); font-size: 0.95rem; }
.nav-link:hover, .nav-link.active { color: var(--primary); background: rgba(10,36,99,0.06); }
.nav-cta { background: var(--primary); color: var(--white) !important; margin-left: 8px; }
.nav-cta:hover { background: var(--primary-dark); }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; font-size: 1.5rem; }

/* ===== Page Banner ===== */
.page-banner { margin-top: 72px; }

/* ===== Banner 轮播 ===== */
.banner { position: relative; margin-top: 72px; height: 560px; overflow: hidden; }
.banner-slides { height: 100%; position: relative; }
.banner-slide {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.8s ease; color: var(--white); text-align: center;
}
.banner-slide.active { opacity: 1; z-index: 1; }
.banner-content { max-width: 800px; padding: 0 20px; }
.banner h1 { font-size: 3rem; font-weight: 800; margin-bottom: 16px; letter-spacing: 2px; }
.banner-sub { font-size: 1.3rem; margin-bottom: 12px; opacity: 0.95; }
.banner-desc { font-size: 1rem; margin-bottom: 32px; opacity: 0.85; }
.banner-dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index:999;}
.dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; }
.dot.active { background: var(--white); transform: scale(1.2); }

/* ===== Buttons ===== */
.btn {
  display: inline-block; padding: 12px 32px; border-radius: var(--radius);
  font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(10,36,99,0.3); }
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

/* ===== Section ===== */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.2rem; color: var(--primary); margin-bottom: 12px; font-weight: 700; }
.section-sub { color: var(--text-muted); font-size: 1.1rem; }

/* ===== Services ===== */
.services { background: var(--bg-light); }
.service-group { margin-bottom: 60px; }
.service-group-title { font-size: 1.5rem; color: var(--primary); margin-bottom: 24px; }
.service-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card { background: var(--white); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); }
.service-card:hover { box-shadow: 0 8px 30px rgba(10,36,99,0.15); transform: translateY(-4px); }
.service-icon { font-size: 2.5rem; margin-bottom: 16px; }
.service-card h4 { font-size: 1.2rem; color: var(--primary); margin-bottom: 12px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; }

.partner-logos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.partner-card { background: var(--white); border-radius: var(--radius-lg); padding: 24px; text-align: center; box-shadow: var(--shadow); border: 2px solid transparent; transition: var(--transition); }
.partner-card:hover { border-color: var(--primary-light); }
.partner-name { font-size: 1.4rem; font-weight: 700; color: var(--primary); letter-spacing: 1px; }
.partner-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Detail Cards (service.html) ===== */
.detail-cards { display: flex; flex-direction: column; gap: 32px; }
.detail-card { display: flex; gap: 32px; background: var(--white); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.detail-icon { font-size: 3rem; width: 80px; height: 80px; display: flex; align-items: center; justify-content: center; background: var(--bg-light); border-radius: var(--radius-lg); flex-shrink: 0; padding:15px;}
.detail-body { flex: 1; }
.detail-body h3 { font-size: 1.3rem; color: var(--primary); margin-bottom: 8px; }
.detail-tag { color: var(--primary-light); font-weight: 600; font-size: 0.9rem; margin-bottom: 12px; }
.detail-body p { color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.detail-features { color: var(--text-dark); font-size: 0.95rem; padding-left: 20px; }
.detail-features li { padding: 6px 0; }

.partner-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.partner-detail-card { background: var(--white); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); border-top: 4px solid var(--primary); }
.partner-header { margin-bottom: 12px; }
.partner-badge { display: inline-block; padding: 6px 16px; border-radius: 20px; font-weight: 700; font-size: 1.1rem; color: var(--white); background: var(--primary); letter-spacing: 1px; }

/* ===== Highlights ===== */
.highlights { background: linear-gradient(135deg, var(--primary), #1E3A8A); color: var(--white); }
.highlights .section-header h2 { color: var(--white); }
.highlight-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.highlight-card { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.1); border-radius: var(--radius-lg); backdrop-filter: blur(5px); }
.highlight-icon { font-size: 2.5rem; margin-bottom: 16px; }
.highlight-number { font-size: 3rem; font-weight: 800; display: inline; }
.highlight-unit { font-size: 1.5rem; display: inline; margin-left: 4px; }
.highlight-label { margin-top: 8px; opacity: 0.85; font-size: 0.95rem; }

/* ===== News ===== */
.news { background: var(--bg-light); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.news-card:hover { box-shadow: 0 8px 30px rgba(10,36,99,0.15); transform: translateY(-4px); }
.news-img { height: 180px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 24px; }
.news-date { font-size: 0.85rem; color: var(--text-muted); }
.news-body h3 { font-size: 1.1rem; color: var(--text-dark); margin: 8px 0 12px; }
.news-body p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.news-link { font-weight: 600; font-size: 0.9rem; color: var(--primary); }

.news-list { display: flex; flex-direction: column; gap: 24px; }
.news-list-item { display: flex; gap: 24px; background: var(--white); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); }
.news-list-img { width: 240px; height: 160px; flex-shrink: 0; border-radius: var(--radius); overflow: hidden; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; }
.news-list-img img { width: 100%; height: 100%; object-fit: cover; }
.news-list-body { flex: 1; }
.news-list-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
.news-list-body p { color: var(--text-muted); font-size: 0.95rem; }

.pagination { text-align: center; margin-top: 40px; }
.pagination a, .pagination span { display: inline-block; padding: 8px 16px; margin: 0 4px; border-radius: var(--radius); background: var(--white); color: var(--text-dark); box-shadow: var(--shadow); }
.pagination .active { background: var(--primary); color: var(--white); }

.news-more { text-align: center; margin-top: 40px; }

/* ===== About ===== */
.about-page { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; }
.about-main h2 { font-size: 2rem; color: var(--primary); margin-bottom: 20px; }
.about-lead { font-size: 1.15rem; font-weight: 600; color: var(--text-dark); margin-bottom: 16px; }
.about-main p { color: var(--text-muted); margin-bottom: 16px; line-height: 1.8; }

.mission-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 24px; }
.mission-card { background: var(--bg-light); border-radius: var(--radius-lg); padding: 24px; text-align: center; }
.mission-icon { font-size: 2rem; margin-bottom: 12px; }
.mission-card h4 { color: var(--primary); margin-bottom: 8px; }

.about-stats-sidebar { display: flex; flex-direction: column; gap: 16px; }
.stat-block { background: var(--bg-light); padding: 20px; border-radius: var(--radius-lg); text-align: center; border-left: 4px solid var(--primary); }
.stat-block .stat-number { font-size: 2rem; font-weight: 800; color: var(--primary); }
.stat-block .stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }

/* ===== Advantages ===== */
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.advantage-card { background: var(--white); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; box-shadow: var(--shadow); }
.advantage-icon { font-size: 2.5rem; margin-bottom: 16px; }
.advantage-card h4 { color: var(--primary); margin-bottom: 12px; }
.advantage-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ===== Contact Page ===== */
.contact-hero { text-align: center; margin-bottom: 48px; }
.contact-hero h2 { font-size: 2.2rem; color: var(--primary); margin-bottom: 12px; }
.contact-hero-sub { font-size: 1.1rem; color: var(--text-muted); }

.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px; }

.contact-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); }
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.contact-card-icon { font-size: 2.5rem; margin-bottom: 16px; }
.contact-card h3 { font-size: 1.3rem; color: var(--primary); margin-bottom: 12px; }
.contact-card-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; margin-bottom: 24px; }

.contact-card-info { margin-top: 16px; }
.phone-number { font-size: 1.4rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.email-address { font-size: 1.2rem; color: var(--text-dark); margin-bottom: 16px; word-break: break-all;font-weight: bold; }

/* 微信二维码区域 */
.wechat-qr-placeholder { margin-top: 16px; }
.qr-box { margin-bottom: 16px; }
.qr-img { width: 180px; height: 180px; border-radius: var(--radius-md); border: 1px solid var(--border); }
.wechat-id { font-size: 0.95rem; color: var(--text-dark); margin-bottom: 16px; }
.wechat-id strong { color: var(--primary); font-size: 1.1rem; }
.btn-wechat { background: #07C160; border-color: #07C160; }
.btn-wechat:hover { background: #06AD56; border-color: #06AD56; }

/* 公司地址块 */
.contact-address-block { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; background: var(--bg-light); padding: 40px; border-radius: var(--radius-lg); margin-bottom: 40px; }
.contact-address-left h3 { font-size: 1.5rem; color: var(--primary); margin-bottom: 12px; }
.address-text { font-size: 1.1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.address-note { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 24px; }
.contact-hours h4 { font-size: 1rem; color: var(--primary); margin-bottom: 8px; }
.contact-hours p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 4px; }
.contact-address-right { display: flex; align-items: center; }
.map-placeholder { width: 100%; border-radius: var(--radius-lg); overflow: hidden; }

/* 底部 CTA */
.contact-cta { text-align: center; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: var(--white); padding: 48px 24px; border-radius: var(--radius-lg); margin-top: 40px; }
.contact-cta h3 { font-size: 1.8rem; margin-bottom: 12px; color: var(--white); }
.contact-cta p { font-size: 1.05rem; margin-bottom: 24px; opacity: 0.9; }
.contact-cta .btn-primary { background: #07C160; border-color: #07C160; color: var(--white); font-size: 1.1rem; padding: 14px 40px; }
.contact-cta .btn-primary:hover { background: #06AD56; border-color: #06AD56; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: var(--radius); margin-bottom: 12px; box-shadow: var(--shadow); overflow: hidden; }
.faq-item summary { padding: 20px 24px; cursor: pointer; font-weight: 600; color: var(--text-dark); list-style: none; position: relative; padding-right: 40px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 24px; font-size: 1.2rem; color: var(--primary); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 24px 20px; color: var(--text-muted); line-height: 1.8; }

/* ===== Footer ===== */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.85); padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-logo { margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; }
.footer-links h4, .footer-contact h4, .footer-social h4 { color: var(--white); font-size: 1rem; margin-bottom: 16px; }
.footer-links a { display: block; color: rgba(255,255,255,0.7); padding: 4px 0; font-size: 0.9rem; }
.footer-links a:hover { color: var(--white); }
.footer-contact p, .footer-social p { font-size: 0.9rem; margin-bottom: 8px; }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-bottom a{color:var(--text-muted);}
.footer-bottom a:hover{color:var(--primary-light);}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px;
  border-radius: 50%; background: var(--primary); color: var(--white); border: none;
  cursor: pointer; font-size: 1.2rem; box-shadow: 0 4px 12px rgba(10,36,99,0.3);
  opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .service-cards { grid-template-columns: repeat(2, 1fr); }
  .partner-logos { grid-template-columns: repeat(2, 1fr); }
  .partner-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-cards { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-cards { grid-template-columns: repeat(2, 1fr); }
  .about-page, .contact-page { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .banner h1 { font-size: 2.2rem; }
  .detail-card { flex-direction: column; }
}
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav { position: fixed; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); transform: translateY(-100%); opacity: 0; visibility: hidden; transition: var(--transition); }
  .nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { width: 100%; text-align: center; }
  .banner { height: 450px; }
  .banner h1 { font-size: 1.8rem; }
  .section { padding: 60px 0; }
  .service-cards, .partner-logos, .highlight-cards, .news-grid, .advantage-grid, .mission-cards, .partner-detail-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .news-list-item { flex-direction: column; }
  .news-list-img { width: 100%; height: 180px; }
}
@media (max-width: 480px) {
  .banner { height: 400px; }
  .banner h1 { font-size: 1.5rem; }
  .section-header h2 { font-size: 1.8rem; }
  .contact-form-box { padding: 24px; }
}

/* ===== 关于铭腾（首页新增板块） ===== */
.about-home { background: var(--white); }
.about-home-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; align-items: center; }
.about-home-text h2 { font-size: 2rem; color: var(--primary); margin-bottom: 20px; }
.about-home-text .about-lead { font-size: 1.15rem; font-weight: 600; color: var(--text-dark); margin-bottom: 16px; line-height: 1.8; }
.about-home-text p { color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.about-home-text strong { color: var(--primary); }
.about-home-stats { display: flex; flex-direction: column; gap: 16px; }
.about-home-stats .stat-item { background: var(--bg-light); padding: 20px; border-radius: var(--radius-lg); text-align: center; border-left: 4px solid var(--primary); }
.about-home-stats .stat-item .stat-number { font-size: 2rem; font-weight: 800; color: var(--primary); }
.about-home-stats .stat-item .stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }

/* ===== 服务卡片图标（SVG 容器） ===== */
.service-icon-wrap { display: flex; justify-content: center; margin-bottom: 16px; }
.service-svg { width: 64px; height: 64px; }

/* ===== 合作伙伴 Logo（SVG 容器） ===== */
.partner-logo-wrap { display: flex; justify-content: center; margin-bottom: 12px; }
.partner-svg { width: 120px; height: 40px; }
.partner-logo-img{height:100px;padding:10px 0;}

/* ===== 服务分组描述 ===== */
.service-group-desc { color: var(--text-muted); margin-bottom: 24px; font-size: 0.95rem; }

/* ===== 新闻占位 SVG ===== */
.news-img-placeholder svg { width: 48px; height: 48px; opacity: 0.6; }

/* ===== 图标基础样式（标题前） ===== */
.icon { display: inline-flex; width: 24px; height: 24px; margin-right: 8px; vertical-align: middle; }
.icon-ship svg, .icon-truck svg { width: 24px; height: 24px; }

/* ===== 面包屑导航 ===== */
.breadcrumb-section { background: var(--bg-light); padding: 16px 0; border-bottom: 1px solid var(--border); }
.breadcrumb { font-size: 0.9rem; color: var(--text-muted); }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { margin: 0 8px; color: var(--border); }
.breadcrumb-current { color: var(--text-dark); font-weight: 600; }

/* ===== 文章布局 ===== */
.article-section { padding: 60px 0; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 60px; }

/* 文章主体 */
.article-main { min-width: 0; }
.article-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.article-title { font-size: 2rem; color: var(--text-dark); line-height: 1.4; margin-bottom: 16px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.9rem; color: var(--text-muted); }
.article-meta span { display: flex; align-items: center; gap: 4px; }
.article-category a { color: var(--primary); font-weight: 600; }
.article-category a:hover { text-decoration: underline; }

/* 特色图片 */
.article-featured-img { margin-bottom: 32px; border-radius: var(--radius-lg); overflow: hidden; }
.article-featured-img img{margin:0 auto;display: block;}
.article-img { width: 100%; height: auto; display: block; }

/* 文章内容（帝国CMS 正文输出） */
.article-content { line-height: 1.9; font-size: 1.05rem; color: var(--text-dark); }
.article-content h2 { font-size: 1.6rem; color: var(--primary); margin: 32px 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--primary-light); }
.article-content h3 { font-size: 1.3rem; color: var(--text-dark); margin: 24px 0 12px; }
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { margin: 16px 0; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content img { max-width: 100%; height: auto; border-radius: var(--radius-md); margin: 16px auto; display: block; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content a:hover { color: var(--primary-dark); }
.article-content blockquote { border-left: 4px solid var(--primary); padding: 16px 20px; background: var(--bg-light); margin: 20px 0; font-style: italic; color: var(--text-muted); }

/* 文章底部 */
.article-footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.article-tags { font-size: 0.9rem; color: var(--text-muted); }
.tags-label { font-weight: 600; margin-right: 8px; }
.article-share { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.share-label { color: var(--text-muted); font-weight: 600; }
.share-btn { display: inline-block; padding: 6px 14px; border-radius: var(--radius); font-size: 0.85rem; text-decoration: none; transition: var(--transition); }
.share-wechat { background: #07C160; color: white; }
.share-twitter { background: #1DA1F2; color: white; }
.share-linkedin { background: #0077B5; color: white; }
.share-btn:hover { opacity: 0.85; transform: translateY(-1px); }

/* 上一篇 / 下一篇 */
.article-pagination { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.prev-post, .next-post { padding: 16px; background: var(--bg-light); border-radius: var(--radius-md); font-size: 0.9rem; }
.prev-post a, .next-post a { color: var(--primary); font-weight: 600; display: block; margin-top: 4px; }
.prev-post::before { content: "← 上一篇"; display: block; color: var(--text-muted); font-size: 0.8rem; margin-bottom: 4px; }
.next-post { text-align: right; }
.next-post::before { content: "下一篇 →"; display: block; color: var(--text-muted); font-size: 0.8rem; margin-bottom: 4px; }

/* 侧边栏 */
.article-sidebar { min-width: 0; }
.sidebar-block { background: var(--bg-light); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; }
.sidebar-block h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }

/* 作者信息 */
.author-info { display: flex; gap: 12px; align-items: flex-start; }
.author-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: contain; background: white; padding: 4px; border: 1px solid var(--border); }
.author-name { font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.author-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* 相关推荐 */
.related-list { display: flex; flex-direction: column; gap: 12px; }
.related-item { padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.related-item:last-child { border-bottom: none; padding-bottom: 0; }
.related-item time { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 4px; }
.related-item a { font-size: 0.95rem; color: var(--text-dark); font-weight: 600; line-height: 1.4; }
.related-item a:hover { color: var(--primary); }

/* CTA 块 */
.cta-block p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 768px) {
  .article-title { font-size: 1.6rem; }
  .article-content { font-size: 1rem; }
  .article-footer { flex-direction: column; align-items: flex-start; }
  .article-pagination { grid-template-columns: 1fr; }
  .article-sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .article-title { font-size: 1.4rem; }
  .article-meta { gap: 10px; font-size: 0.85rem; }
}