/* ===================================================
   预见能源 - 移动端响应式适配
   断点：<768px（手机）, 768-1024px（平板）
   =================================================== */

/* ============================
   1. 导航栏 - 移动端
   ============================ */

/* 隐藏顶部滚动条 */
@media (max-width: 768px) {
  .ht-topbar-actions { display: none; }
  .ht-topbar { font-size: 11px; }

  /* 隐藏桌面端导航，显示汉堡菜单 */
  .ht-nav { display: none; }
  .ht-actions .ht-search-box,
  .ht-actions .ht-btn-vip,
  .ht-actions .ht-btn-write,
  .ht-actions .ht-user-btn { display: none; }

  .ht-main-inner {
    height: 50px;
    gap: 12px;
  }

  .ht-logo-icon svg { width: 30px; height: 30px; }
  .ht-logo-cn { font-size: 17px; letter-spacing: 1px; }
  .ht-logo-en { font-size: 8px; letter-spacing: 1.5px; }

  /* 汉堡菜单按钮 */
  .mobile-menu-btn {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
    background: transparent;
    padding: 0;
  }
  .mobile-menu-btn span {
    display: block;
    width: 18px;
    height: 2px;
    background: rgba(255,255,255,.8);
    border-radius: 1px;
    transition: all .3s ease;
  }
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* 移动端导航面板 */
  .mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 2000;
  }
  .mobile-nav-overlay.active { display: block; }

  .mobile-nav-panel {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background: var(--dark-1, #0a0f14);
    z-index: 2001;
    transition: right .3s ease;
    overflow-y: auto;
    padding: 20px 0;
  }
  .mobile-nav-panel.active { right: 0; }

  .mobile-nav-panel .mnp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    margin-bottom: 12px;
  }
  .mobile-nav-panel .mnp-title {
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
  }
  .mobile-nav-panel .mnp-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.15);
    background: transparent;
    color: rgba(255,255,255,.6);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .mobile-nav-panel .mnp-search {
    margin: 0 20px 16px;
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px;
    padding: 0 12px;
    height: 38px;
    gap: 8px;
  }
  .mobile-nav-panel .mnp-search input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: #fff;
    font-size: 14px;
  }
  .mobile-nav-panel .mnp-search input::placeholder { color: rgba(255,255,255,.35); }

  .mobile-nav-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .mobile-nav-panel ul li a {
    display: block;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,.7);
    border-bottom: 1px solid rgba(255,255,255,.04);
    transition: all .2s;
  }
  .mobile-nav-panel ul li a:hover,
  .mobile-nav-panel ul li a.active {
    color: #fff;
    background: rgba(45,155,90,.1);
  }
  .mobile-nav-panel ul li a.active {
    border-left: 3px solid #2d9b5a;
  }
}

/* ============================
   2. 焦点图 Hero Focus
   ============================ */
@media (max-width: 768px) {
  .hero-focus {
    height: 220px;
    border-radius: 8px;
  }
  .hf-main-content {
    padding: 16px 20px;
  }
  .hf-tags { gap: 6px; margin-bottom: 8px; }
  .hf-tag-live { font-size: 9px; padding: 3px 8px; }
  .hf-tag-cat { font-size: 9px; padding: 3px 8px; }
  .hf-title-main {
    font-size: 18px;
    line-height: 1.4;
    margin-bottom: 8px;
  }
  .hf-desc-main {
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .hf-meta { font-size: 11px; }
  .hf-chart { display: none; }
  .hf-indicators { right: 16px; bottom: 12px; }
  .hf-deco-glow { display: none; }

  /* 装饰网格缩小 */
  .hf-deco-grid {
    background-size: 30px 30px;
  }
}

/* ============================
   3. 快报栏
   ============================ */
@media (max-width: 768px) {
  /* 要闻速览 */
  .quick-brief-section { margin-bottom: 16px; }
  .qb-item { padding: 12px 16px; gap: 10px; }
  .qb-tag { font-size: 10px; padding: 2px 8px; }
  .qb-text { font-size: 14px; }

  /* 三栏变单栏 */
  .qn-three-col {
    grid-template-columns: 1fr;
  }
  .qn-col-featured {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
  }
  .qn-col-items {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 8px 12px;
  }
  .qn-col-list {
    background: var(--bg-card);
  }

  /* 快报栏头部 */
  .qn-header-compact { padding: 12px 16px; }
  .qn-header-compact .section-title { font-size: 15px; }
  .qn-divider { display: none; }

  /* 左栏头条 */
  .qn-featured-img { height: 120px; }
  .qn-featured-body h4 { font-size: 15px; }
  .qn-featured-body p { font-size: 12px; }

  /* 中栏列表 */
  .qn-item-img { width: 80px; height: 54px; }
  .qn-item-body h5 { font-size: 12.5px; }

  /* 右栏列表 */
  .quick-news-list li a { padding: 8px 12px; font-size: 12.5px; }
}

/* ============================
   4. 主体布局 - 双栏变单栏
   ============================ */
@media (max-width: 768px) {
  .content-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .main-content { padding: 12px 0 0; }
  .container { padding: 0 12px; }
}

/* ============================
   5. 数据看板
   ============================ */
@media (max-width: 768px) {
  .data-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .data-card { padding: 10px 8px; }
  .dc-label { font-size: 10px; }
  .dc-value { font-size: 15px; }
  .dc-change { font-size: 10px; }
  .dc-update { font-size: 9px; }
  .data-dashboard { margin-bottom: 16px; padding: 14px; }
  .dashboard-header { margin-bottom: 12px; }
}

/* ============================
   6. 深度报道区
   ============================ */
@media (max-width: 768px) {
  .news-section {
    padding: 14px;
    margin-bottom: 16px;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .news-card.featured .news-img { height: 160px; margin-bottom: 10px; }
  .news-card.featured .news-body h3 { font-size: 16px; }
  .news-excerpt { font-size: 13px; -webkit-line-clamp: 2; }
}

/* ============================
   7. 智库精选 / 报告卡片
   ============================ */
@media (max-width: 768px) {
  .think-tank-section {
    padding: 14px;
    margin-bottom: 16px;
  }
  .report-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .report-cover { height: 120px; }
  .report-info h4 { font-size: 14px; }
}

/* ============================
   8. 企业动态
   ============================ */
@media (max-width: 768px) {
  .company-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .company-card-featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .company-card-featured .cc-img {
    min-height: 140px;
  }
  .cc-img { min-height: 120px; }
  .cc-body { padding: 14px 16px; }
  .cc-body h4 { font-size: 14px; }
  .cc-data-big { font-size: 30px; }
}

/* ============================
   9. 视频专栏
   ============================ */
@media (max-width: 768px) {
  .video-section {
    padding: 14px;
    margin-bottom: 16px;
  }
  .video-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .video-thumb { height: 100px; margin-bottom: 8px; }
  .play-btn { width: 34px; height: 34px; font-size: 13px; }
  .video-card h4 { font-size: 12.5px; }
}

/* ============================
   10. 侧边栏组件
   ============================ */
@media (max-width: 768px) {
  .sidebar-widget { margin-bottom: 16px; }

  /* 热榜 */
  .hot-item { padding: 8px 12px; gap: 8px; }
  .hot-num { font-size: 14px; width: 18px; }
  .hot-content a { font-size: 13px; }
  .hot-count { font-size: 10px; }

  /* 专家观点 */
  .expert-item { padding: 10px 12px; }
  .expert-avatar { width: 36px; height: 36px; font-size: 13px; }

  /* 活动日历 */
  .event-item { padding: 8px 12px; }
  .event-date { padding: 4px 8px; min-width: 38px; }
  .ed-day { font-size: 16px; }

  /* 产业数据 */
  .mini-data-list { padding: 6px 12px; }
  .mini-data-row { font-size: 12px; padding: 6px 0; }
  .mdr-value { font-size: 13px; }

  /* 政策速递 */
  .policy-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  /* 专栏作者 */
  .author-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .author-avatar { width: 48px; height: 48px; font-size: 17px; }
}

/* ============================
   11. Footer
   ============================ */
@media (max-width: 768px) {
  .footer { margin-top: 32px; }
  .footer-top { padding: 28px 0 20px; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }
  .footer-desc { font-size: 12px; }
  .footer-bottom p { font-size: 10px; }

  /* 商务咨询联系条 */
  .biz-contact-bar {
    flex-direction: column;
    gap: 14px;
    padding: 16px 20px;
    text-align: center;
  }
  .biz-contact-left { flex-direction: column; }
  .biz-contact-divider {
    width: 32px;
    height: 1px;
  }
}

/* ============================
   12. 悬浮工具栏
   ============================ */
@media (max-width: 768px) {
  .float-toolbar {
    right: 12px;
    bottom: 40px;
    gap: 6px;
  }
  .ft-item {
    width: 38px;
    height: 38px;
  }
}

/* ============================
   13. 通用组件
   ============================ */
@media (max-width: 768px) {
  /* section头部 */
  .section-header { margin-bottom: 14px; }
  .section-title { font-size: 17px; }
  .section-badge { font-size: 10px; padding: 2px 6px; }

  /* 面包屑 */
  .breadcrumb-bar { padding: 8px 0; }
  .breadcrumb { font-size: 12px; }

  /* 筛选器 */
  .filter-bar {
    flex-direction: column;
    gap: 10px;
    padding: 10px 14px;
  }
  .filter-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }
  .filter-tab { white-space: nowrap; font-size: 13px; padding: 7px 14px; }

  /* CTA区域 */
  .cta-section { padding: 32px 16px; margin: 20px 0; }
  .cta-section h2 { font-size: 20px; }
  .cta-section p { font-size: 14px; }
  .cta-btn { padding: 10px 24px; font-size: 14px; }

  /* 合作卡片 */
  .partner-inner { padding: 20px 16px; }
  .partner-title { font-size: 16px; }
  .partner-services { gap: 4px; }
  .partner-tag { font-size: 9px; padding: 2px 8px; }
}

/* ============================
   14. 旧版header兼容（子页面）
   ============================ */
@media (max-width: 768px) {
  .header-inner {
    gap: 12px;
    padding: 10px 0 8px;
  }
  .logo-cn { font-size: 18px; }
  .header-search { max-width: 200px; }
  .header-search input { padding: 6px 10px; font-size: 12px; }
  .btn-subscribe, .btn-write { font-size: 12px; padding: 5px 12px; }
  .top-bar { font-size: 11px; height: 30px; line-height: 30px; }
  .main-nav ul { gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .main-nav ul li a { padding: 8px 12px; font-size: 13px; }
  .sub-menu { min-width: auto; left: 0; right: 0; }
}

/* ============================
   15. 新闻页 news.html
   ============================ */
@media (max-width: 768px) {
  .filter-bar { margin-bottom: 16px; }
  .news-card-grid {
    grid-template-columns: 1fr;
  }
  .news-list-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================
   16. 文章详情页 article.css
   ============================ */
@media (max-width: 768px) {
  .article-container {
    padding: 12px !important;
  }
  .article-header {
    padding: 16px 0 !important;
  }
  .article-header h1 {
    font-size: 20px !important;
    line-height: 1.5 !important;
  }
  .article-body {
    font-size: 15px !important;
    line-height: 1.8 !important;
  }
  .article-body p {
    margin-bottom: 16px !important;
  }
  .article-meta-bar {
    flex-direction: column;
    gap: 8px;
  }
  .article-actions {
    flex-wrap: wrap;
    gap: 8px;
  }
  .article-sidebar {
    margin-top: 20px;
  }
  /* 文章底部相关推荐 */
  .related-articles {
    grid-template-columns: 1fr !important;
  }
}

/* ============================
   17. 数据页 data.css
   ============================ */
@media (max-width: 768px) {
  .data-main-grid {
    grid-template-columns: 1fr;
  }
  .data-chart-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================
   18. 活动页 events.css
   ============================ */
@media (max-width: 768px) {
  .events-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================
   19. 直播页 live.css
   ============================ */
@media (max-width: 768px) {
  .live-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================
   20. 服务页 service.css
   ============================ */
@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
  .service-card-featured {
    grid-template-columns: 1fr;
  }
}

/* ============================
   21. 智库页 think-tank.css
   ============================ */
@media (max-width: 768px) {
  .think-tank-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================
   22. 视频页 video.css
   ============================ */
@media (max-width: 768px) {
  .video-main-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================
   平板适配 (768px - 1024px)
   ============================ */
@media (min-width: 769px) and (max-width: 1024px) {
  .content-layout {
    grid-template-columns: 1fr 280px;
    gap: 20px;
  }
  .data-cards {
    grid-template-columns: repeat(4, 1fr);
  }
  .report-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .company-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .company-card-featured {
    grid-column: span 2;
  }
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .author-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 24px;
  }
  .policy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-focus { height: 360px; }
  .hf-main-content { padding: 28px 32px; }
  .hf-title-main { font-size: 28px; }

  /* 平板端也显示汉堡菜单（如果屏幕不够宽） */
  @media (max-width: 900px) {
    .ht-nav { display: none; }
    .mobile-menu-btn { display: flex !important; }
    .ht-actions .ht-search-box,
    .ht-actions .ht-btn-vip,
    .ht-actions .ht-btn-write { display: none; }
    .ht-main-inner { height: 56px; }
  }
}

/* ============================
   超小屏 (< 375px)
   ============================ */
@media (max-width: 374px) {
  .container { padding: 0 8px; }
  .hero-focus { height: 180px; }
  .hf-title-main { font-size: 16px; }
  .data-cards { grid-template-columns: repeat(2, 1fr); }
  .qn-three-col { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}