/* ==========================================================================
   瑞成数控机床 - 视频展示中心样式（video.css）
   页面: videolist.html
   前缀: ruicheng-vl-  避免与其他样式冲突
   风格: 高端大气集团风 · 机械行业质感 · 深蓝主色
   ========================================================================== */

/* 颜色 & 基础变量（继承 common.css，仅补充视频页专用变量） */
:root {
  --ruicheng-vl-primary: #0B3D91;
  --ruicheng-vl-primary-600: #08306F;
  --ruicheng-vl-primary-50: rgba(11, 61, 145, 0.05);
  --ruicheng-vl-primary-100: rgba(11, 61, 145, 0.08);
  --ruicheng-vl-primary-80: rgba(11, 61, 145, 0.80);
  --ruicheng-vl-accent: #C9A96E;
  --ruicheng-vl-accent-600: #B89557;
  --ruicheng-vl-hot: #E8553F;
  --ruicheng-vl-hot-bg: rgba(232, 85, 63, 0.92);
  --ruicheng-vl-new: #2F9E5B;
  --ruicheng-vl-new-bg: rgba(47, 158, 91, 0.92);
  --ruicheng-vl-recommend: var(--ruicheng-vl-accent);
  --ruicheng-vl-text-900: #1A2332;
  --ruicheng-vl-text-600: #4B5563;
  --ruicheng-vl-text-400: #6B7280;
  --ruicheng-vl-text-300: #9CA3AF;
  --ruicheng-vl-border-100: #E5E7EB;
  --ruicheng-vl-border-200: #DDE3EB;
  --ruicheng-vl-bg-100: #F5F7FA;
  --ruicheng-vl-bg-50: #FAFBFD;
  --ruicheng-vl-shadow-sm: 0 1px 2px rgba(26, 35, 50, 0.05);
  --ruicheng-vl-shadow-md: 0 6px 20px rgba(26, 35, 50, 0.07);
  --ruicheng-vl-shadow-lg: 0 18px 48px rgba(11, 61, 145, 0.16);
  --ruicheng-vl-radius-6: 6px;
  --ruicheng-vl-radius-8: 8px;
  --ruicheng-vl-radius-10: 10px;
  --ruicheng-vl-radius-12: 12px;
  --ruicheng-vl-ease: cubic-bezier(.22, .61, .36, 1);
}

/* 页面整体背景 */
body.ruicheng-vl-page {
  background: var(--ruicheng-vl-bg-50);
  color: var(--ruicheng-vl-text-900);
  font-family: var(--ruicheng-body-font);
}

/* ==========================================================================
   模块 2：Banner
   样式已提取至 common.css（.ruicheng-vl-banner 系列），模版：banner_video.html
   ========================================================================== */

/* ==========================================================================
   模块 3：面包屑
   ========================================================================== */
.ruicheng-vl-breadcrumb {
  width: 100%;
  background: #FFFFFF;
  border-bottom: 1px solid var(--ruicheng-vl-border-100);
}

.ruicheng-vl-breadcrumb-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  padding: 16px 0;
  font-size: 14px;
  color: var(--ruicheng-vl-text-600);
}

.ruicheng-vl-breadcrumb-inner a {
  color: var(--ruicheng-vl-text-600);
  text-decoration: none;
  transition: color .2s var(--ruicheng-vl-ease);
}
.ruicheng-vl-breadcrumb-inner a:hover {
  color: var(--ruicheng-vl-primary);
}

.ruicheng-vl-breadcrumb-sep {
  display: inline-block;
  margin: 0 10px;
  color: var(--ruicheng-vl-text-300);
  font-weight: 500;
}

.ruicheng-vl-breadcrumb-cur {
  color: var(--ruicheng-vl-primary);
  font-weight: 600;
}

/* ==========================================================================
   模块 4：主体布局（侧栏 280px + 主内容自适应）
   ========================================================================== */
.ruicheng-vl-main {
  width: 100%;
  max-width: var(--ruicheng-container-max);
  margin: 0 auto;
  padding: 48px 32px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}

/* ---------- 4-1 左侧：通用 Widget 容器 ---------- */
.ruicheng-vl-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ruicheng-vl-widget {
  background: #FFFFFF;
  border: 1px solid var(--ruicheng-vl-border-100);
  border-radius: var(--ruicheng-vl-radius-10);
  overflow: hidden;
  box-shadow: var(--ruicheng-vl-shadow-sm);
}

.ruicheng-vl-widget-title {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 18px 20px;
  font-size: 17px;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--ruicheng-vl-primary);
  letter-spacing: 0.5px;
}

.ruicheng-vl-widget-body {
  padding: 10px 0 6px;
}

/* ---------- 4-2 分类树 ---------- */
.ruicheng-vl-cat-tree {
  list-style: none;
  margin: 0;
  padding: 4px 0;
}

.ruicheng-vl-cat-item {
  margin: 0;
  border-bottom: 1px dashed var(--ruicheng-vl-border-100);
}
.ruicheng-vl-cat-item:last-child { border-bottom: none; }

.ruicheng-vl-cat-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  text-decoration: none;
  color: var(--ruicheng-vl-text-900);
  font-size: 14.5px;
  font-weight: 500;
  transition: background .22s var(--ruicheng-vl-ease), color .22s var(--ruicheng-vl-ease);
  border-left: 3px solid transparent;
}
.ruicheng-vl-cat-link:hover {
  background: var(--ruicheng-vl-primary-50);
  color: var(--ruicheng-vl-primary);
  border-left-color: rgba(11, 61, 145, 0.35);
}
.ruicheng-vl-cat-link.is-active {
  background: var(--ruicheng-vl-primary-100);
  color: var(--ruicheng-vl-primary);
  border-left-color: var(--ruicheng-vl-primary);
  font-weight: 600;
}

.ruicheng-vl-cat-icon {
  color: var(--ruicheng-vl-primary);
  width: 20px;
  text-align: center;
  font-size: 15px;
}

.ruicheng-vl-cat-name {
  flex: 1;
}

.ruicheng-vl-cat-count {
  font-size: 12.5px;
  color: var(--ruicheng-vl-text-400);
  background: var(--ruicheng-vl-bg-100);
  border-radius: 999px;
  padding: 1px 8px;
  font-weight: 500;
}
.ruicheng-vl-cat-link.is-active .ruicheng-vl-cat-count {
  background: var(--ruicheng-vl-primary);
  color: #FFFFFF;
}

.ruicheng-vl-cat-arrow {
  font-size: 11px;
  color: var(--ruicheng-vl-text-300);
}
.ruicheng-vl-cat-link:hover .ruicheng-vl-cat-arrow,
.ruicheng-vl-cat-link.is-active .ruicheng-vl-cat-arrow {
  color: var(--ruicheng-vl-primary);
}

/* ---------- 4-3 热门视频 ---------- */
.ruicheng-vl-hot-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ruicheng-vl-hot-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding: 14px 18px;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px dashed var(--ruicheng-vl-border-100);
  transition: background .22s var(--ruicheng-vl-ease);
}
.ruicheng-vl-hot-item:last-child { border-bottom: none; }
.ruicheng-vl-hot-item:hover {
  background: var(--ruicheng-vl-bg-100);
}

.ruicheng-vl-hot-thumb {
  position: relative;
  width: 110px;
  height: 62px;
  border-radius: var(--ruicheng-vl-radius-6);
  overflow: hidden;
  flex-shrink: 0;
}
.ruicheng-vl-hot-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ruicheng-vl-hot-rank {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: var(--ruicheng-vl-hot);
  color: #FFFFFF;
  font-size: 11.5px;
  font-weight: 800;
  border-bottom-right-radius: 8px;
}
.ruicheng-vl-hot-item:nth-child(n+4) .ruicheng-vl-hot-rank {
  background: #9CA3AF;
}

.ruicheng-vl-hot-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.ruicheng-vl-hot-title {
  margin: 0 0 6px;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ruicheng-vl-text-900);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s var(--ruicheng-vl-ease);
}
.ruicheng-vl-hot-item:hover .ruicheng-vl-hot-title {
  color: var(--ruicheng-vl-primary);
}

.ruicheng-vl-hot-meta {
  font-size: 12px;
  color: var(--ruicheng-vl-text-400);
}
.ruicheng-vl-hot-meta i { margin-right: 4px; }

/* ---------- 4-4 侧栏工程师咨询卡 ---------- */
.ruicheng-vl-contact-card {
  position: relative;
  padding: 28px 22px 24px;
  text-align: center;
  background: #FFFFFF;
  border: 1px solid var(--ruicheng-vl-border-200);
  border-radius: var(--ruicheng-vl-radius-12);
  box-shadow: var(--ruicheng-vl-shadow-md);
  overflow: hidden;
}
.ruicheng-vl-contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--ruicheng-vl-primary);
}

.ruicheng-vl-contact-avatar {
  width: 68px;
  height: 68px;
  margin: 4px auto 14px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: var(--ruicheng-vl-primary-100);
  color: var(--ruicheng-vl-primary);
  font-size: 30px;
  border: 3px solid #FFFFFF;
  box-shadow: 0 0 0 3px var(--ruicheng-vl-primary-50);
}

.ruicheng-vl-contact-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ruicheng-vl-text-900);
  margin-bottom: 6px;
}

.ruicheng-vl-contact-desc {
  font-size: 12.5px;
  color: var(--ruicheng-vl-text-400);
  line-height: 1.6;
  margin-bottom: 16px;
}

.ruicheng-vl-contact-info {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  margin-bottom: 14px;
  background: #FFFFFF;
  border: 1px dashed var(--ruicheng-vl-accent);
  border-radius: var(--ruicheng-vl-radius-6);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--ruicheng-vl-primary);
}
.ruicheng-vl-contact-info i { color: var(--ruicheng-vl-accent); }

.ruicheng-vl-contact-btn {
  width: 100%;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--ruicheng-vl-accent);
  border: 1px solid var(--ruicheng-vl-accent);
  border-radius: var(--ruicheng-vl-radius-8);
  cursor: pointer;
  transition: background .25s var(--ruicheng-vl-ease), transform .25s var(--ruicheng-vl-ease);
}
.ruicheng-vl-contact-btn i { margin-right: 6px; }
.ruicheng-vl-contact-btn:hover {
  background: var(--ruicheng-vl-accent-600);
  border-color: var(--ruicheng-vl-accent-600);
  transform: translateY(-1px);
}

/* ---------- 4-5 右侧：工具栏 ---------- */
.ruicheng-vl-content {
  min-width: 0;
}

.ruicheng-vl-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  margin-bottom: 22px;
  background: #FFFFFF;
  border: 1px solid var(--ruicheng-vl-border-100);
  border-radius: var(--ruicheng-vl-radius-10);
  box-shadow: var(--ruicheng-vl-shadow-sm);
}

.ruicheng-vl-toolbar-left,
.ruicheng-vl-toolbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.ruicheng-vl-result {
  font-size: 14px;
  color: var(--ruicheng-vl-text-600);
}
.ruicheng-vl-result b {
  font-size: 18px;
  color: var(--ruicheng-vl-primary);
  font-weight: 800;
  margin: 0 2px;
}

.ruicheng-vl-sort {
  display: inline-flex;
  gap: 4px;
  background: var(--ruicheng-vl-bg-100);
  padding: 4px;
  border-radius: var(--ruicheng-vl-radius-8);
}
.ruicheng-vl-sort a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--ruicheng-vl-text-600);
  text-decoration: none;
  border-radius: 6px;
  transition: background .2s var(--ruicheng-vl-ease), color .2s var(--ruicheng-vl-ease);
}
.ruicheng-vl-sort a:hover {
  color: var(--ruicheng-vl-primary);
}
.ruicheng-vl-sort a.is-active {
  background: var(--ruicheng-vl-primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(11, 61, 145, 0.20);
}

.ruicheng-vl-view-label {
  font-size: 13px;
  color: var(--ruicheng-vl-text-400);
}
.ruicheng-vl-view-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--ruicheng-vl-border-200);
  color: var(--ruicheng-vl-text-400);
  border-radius: 6px;
  cursor: pointer;
  transition: all .2s var(--ruicheng-vl-ease);
}
.ruicheng-vl-view-btn:hover {
  color: var(--ruicheng-vl-primary);
  border-color: var(--ruicheng-vl-primary);
}
.ruicheng-vl-view-btn.is-active {
  background: var(--ruicheng-vl-primary);
  color: #FFFFFF;
  border-color: var(--ruicheng-vl-primary);
}

/* ---------- 4-6 视频卡片网格 ---------- */
.ruicheng-vl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.ruicheng-vl-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1px solid var(--ruicheng-vl-border-100);
  border-radius: var(--ruicheng-vl-radius-12);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--ruicheng-vl-shadow-sm);
  transition: transform .3s var(--ruicheng-vl-ease), box-shadow .3s var(--ruicheng-vl-ease), border-color .3s var(--ruicheng-vl-ease);
  opacity: 0;
  transform: translateY(20px);
}
.ruicheng-vl-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.ruicheng-vl-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ruicheng-vl-shadow-lg);
  border-color: rgba(11, 61, 145, 0.25);
}

.ruicheng-vl-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #000;
  overflow: hidden;
}

.ruicheng-vl-card-thumb > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ruicheng-vl-ease), filter .6s var(--ruicheng-vl-ease);
}
.ruicheng-vl-card:hover .ruicheng-vl-card-thumb > img {
  transform: scale(1.06);
  filter: brightness(0.85);
}

.ruicheng-vl-card-mask {
  position: absolute;
  inset: 0;
  background: rgba(26, 35, 50, 0.12);
  transition: background .3s var(--ruicheng-vl-ease);
  pointer-events: none;
  z-index: 1;
}
.ruicheng-vl-card:hover .ruicheng-vl-card-mask {
  background: rgba(11, 61, 145, 0.25);
}

/* 播放按钮（核心视觉点） */
.ruicheng-vl-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 72px;
  height: 72px;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
}

.ruicheng-vl-play-inner {
  position: relative;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  transition: background .28s var(--ruicheng-vl-ease), transform .28s var(--ruicheng-vl-ease), box-shadow .28s var(--ruicheng-vl-ease);
}
.ruicheng-vl-play-inner::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--ruicheng-vl-primary);
  z-index: 0;
}
.ruicheng-vl-play-inner i {
  position: relative;
  z-index: 1;
  font-size: 18px;
  color: #FFFFFF;
  margin-left: 3px;
}
.ruicheng-vl-card:hover .ruicheng-vl-play-inner {
  background: var(--ruicheng-vl-accent);
  transform: scale(1.10);
  box-shadow: 0 14px 36px rgba(201, 169, 110, 0.52);
}
.ruicheng-vl-card:hover .ruicheng-vl-play-inner::after {
  background: #FFFFFF;
}
.ruicheng-vl-card:hover .ruicheng-vl-play-inner i {
  color: var(--ruicheng-vl-primary);
}

/* 播放按钮外圈扩散动画（默认静态，hover 时出现扩散） */
.ruicheng-vl-play-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.72);
  opacity: 0;
  pointer-events: none;
}
.ruicheng-vl-card:hover .ruicheng-vl-play-ring {
  opacity: 1;
  animation: ruicheng-vl-play-pulse 1.4s ease-out infinite;
}

@keyframes ruicheng-vl-play-pulse {
  0%   { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.45); opacity: 0; }
}

/* 标签（左上角） */
.ruicheng-vl-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  padding: 4px 11px;
  font-size: 12px;
  font-weight: 600;
  color: #FFFFFF;
  border-radius: 6px;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}
.ruicheng-vl-tag--hot { background: var(--ruicheng-vl-hot-bg); }
.ruicheng-vl-tag--new { background: var(--ruicheng-vl-new-bg); }
.ruicheng-vl-tag--recommend { background: var(--ruicheng-vl-accent); }

/* 时长（右下角） */
.ruicheng-vl-duration {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 600;
  color: #FFFFFF;
  background: rgba(0, 0, 0, 0.62);
  border-radius: 5px;
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}

/* 卡片正文 */
.ruicheng-vl-card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.ruicheng-vl-card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ruicheng-vl-text-900);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .25s var(--ruicheng-vl-ease);
}
.ruicheng-vl-card:hover .ruicheng-vl-card-title {
  color: var(--ruicheng-vl-primary);
}

.ruicheng-vl-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 12.5px;
  color: var(--ruicheng-vl-text-400);
  padding-top: 2px;
  border-top: 1px dashed var(--ruicheng-vl-border-100);
  padding-top: 12px;
  margin-top: auto;
}
.ruicheng-vl-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.ruicheng-vl-card-meta i { font-size: 12px; }
.ruicheng-vl-card-meta span:first-child i { color: var(--ruicheng-vl-primary); }

/* ---------- 4-7 分页 ---------- */
.ruicheng-vl-pagination {
  display: flex;
  justify-content: center;
  padding: 16px 0 8px;
}

.ruicheng-vl-pagination-inner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ruicheng-vl-pagination-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 14px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  background: #FFFFFF;
  border: 1px solid var(--ruicheng-vl-border-200);
  color: var(--ruicheng-vl-text-600);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all .22s var(--ruicheng-vl-ease);
}
.ruicheng-vl-pagination-btn:hover:not(.ruicheng-vl-pagination-btn--dots):not(:disabled) {
  color: var(--ruicheng-vl-primary);
  border-color: var(--ruicheng-vl-primary);
}
.ruicheng-vl-pagination-btn.is-active {
  background: var(--ruicheng-vl-primary);
  border-color: var(--ruicheng-vl-primary);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(11, 61, 145, 0.24);
}
.ruicheng-vl-pagination-btn:disabled {
  color: var(--ruicheng-vl-text-300);
  background: var(--ruicheng-vl-bg-100);
  cursor: not-allowed;
}
.ruicheng-vl-pagination-btn--dots {
  background: transparent;
  border: none;
  color: var(--ruicheng-vl-text-300);
  padding: 0 4px;
  cursor: default;
  min-width: auto;
}

.ruicheng-vl-pagination-info {
  margin-left: 14px;
  font-size: 13px;
  color: var(--ruicheng-vl-text-600);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ruicheng-vl-pagination-input {
  width: 58px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--ruicheng-vl-border-200);
  border-radius: 8px;
  font-size: 13px;
  text-align: center;
  outline: none;
  transition: border-color .2s var(--ruicheng-vl-ease);
}
.ruicheng-vl-pagination-input:focus {
  border-color: var(--ruicheng-vl-primary);
  box-shadow: 0 0 0 3px var(--ruicheng-vl-primary-50);
}

/* ==========================================================================
   XunRuiCMS 系统分页 {$pages} (ul.pagination) 适配 —— 套用视频中心分页皮肤
   ========================================================================== */
.ruicheng-vl-pagination-inner .pagination {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0;
  padding-left: 0;
  list-style: none;
}
.ruicheng-vl-pagination-inner .pagination > li { display: inline-block; margin: 0; }
.ruicheng-vl-pagination-inner .pagination > li > a,
.ruicheng-vl-pagination-inner .pagination > li > span {
  min-width: 38px;
  height: 38px;
  padding: 0 14px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  background: #FFFFFF;
  border: 1px solid var(--ruicheng-vl-border-200);
  color: var(--ruicheng-vl-text-600);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all .22s var(--ruicheng-vl-ease);
}
.ruicheng-vl-pagination-inner .pagination > li > a:hover {
  color: var(--ruicheng-vl-primary);
  border-color: var(--ruicheng-vl-primary);
}
.ruicheng-vl-pagination-inner .pagination > .active > a,
.ruicheng-vl-pagination-inner .pagination > .active > span {
  background: var(--ruicheng-vl-primary);
  border-color: var(--ruicheng-vl-primary);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(11, 61, 145, 0.24);
}

/* ==========================================================================
   模块 5：底部 CTA
   ========================================================================== */
.ruicheng-vl-cta {
  width: 100%;
  background: var(--ruicheng-vl-primary);
  padding: 48px 0;
  margin-top: 18px;
  position: relative;
  overflow: hidden;
}
.ruicheng-vl-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  
  pointer-events: none;
}

.ruicheng-vl-cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 0 32px;
  max-width: var(--ruicheng-container-max);
  margin: 0 auto;
  color: #FFFFFF;
}

.ruicheng-vl-cta-text { flex: 1; min-width: 300px; }
.ruicheng-vl-cta-title {
  margin: 0 0 10px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  color: #FFFFFF;
}
.ruicheng-vl-cta-title b { color: var(--ruicheng-vl-accent); font-weight: 800; }
.ruicheng-vl-cta-sub {
  margin: 0;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.3px;
}

.ruicheng-vl-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.ruicheng-vl-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--ruicheng-vl-radius-10);
  transition: all .28s var(--ruicheng-vl-ease);
  white-space: nowrap;
}
.ruicheng-vl-cta-btn--primary {
  background: var(--ruicheng-vl-accent);
  color: #FFFFFF;
  border: 1px solid var(--ruicheng-vl-accent);
  box-shadow: 0 10px 24px rgba(201, 169, 110, 0.35);
}
.ruicheng-vl-cta-btn--primary:hover {
  background: var(--ruicheng-vl-accent-600);
  border-color: var(--ruicheng-vl-accent-600);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(201, 169, 110, 0.50);
}
.ruicheng-vl-cta-btn--outline {
  background: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.40);
}
.ruicheng-vl-cta-btn--outline:hover {
  background: #FFFFFF;
  color: var(--ruicheng-vl-primary);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* ==========================================================================
   视频播放弹窗（Lightbox）
   ========================================================================== */
.ruicheng-vl-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}
.ruicheng-vl-lightbox.is-open {
  display: flex;
}

.ruicheng-vl-lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 35, 50, 0.78);
  backdrop-filter: blur(6px);
}

.ruicheng-vl-lightbox-dialog {
  position: relative;
  width: min(960px, 92vw);
  max-height: 92vh;
  background: #FFFFFF;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
  animation: ruicheng-vl-lb-in .32s var(--ruicheng-vl-ease);
}
@keyframes ruicheng-vl-lb-in {
  from { opacity: 0; transform: scale(0.96) translateY(18px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.ruicheng-vl-lightbox-title {
  margin: 0;
  padding: 16px 60px 14px 22px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ruicheng-vl-text-900);
  border-bottom: 1px solid var(--ruicheng-vl-border-100);
  background: var(--ruicheng-vl-bg-50);
}

.ruicheng-vl-lightbox-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  background: transparent;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  color: var(--ruicheng-vl-text-400);
  cursor: pointer;
  transition: all .2s var(--ruicheng-vl-ease);
}
.ruicheng-vl-lightbox-close:hover {
  background: rgba(232, 85, 63, 0.12);
  color: var(--ruicheng-vl-hot);
  transform: rotate(90deg);
}

.ruicheng-vl-lightbox-player {
  width: 100%;
  background: #000;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.ruicheng-vl-lightbox-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ==========================================================================
   响应式断点
   ========================================================================== */

/* 1）大屏 -> 中等屏（1440 及以下主要依靠 grid auto） */
@media (max-width: 1399px) {
  .ruicheng-vl-main {
    padding: 40px 28px;
    gap: 28px;
    grid-template-columns: 260px 1fr;
  }
  .ruicheng-vl-grid { gap: 22px; }
}

/* 2）平板（1199px）：视频从 3 列 -> 2 列，侧栏宽度微调 */
@media (max-width: 1199px) {
  .ruicheng-vl-main {
    grid-template-columns: 240px 1fr;
    padding: 36px 24px;
    gap: 24px;
  }
  .ruicheng-vl-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .ruicheng-vl-play { width: 64px; height: 64px; }
  .ruicheng-vl-play-inner { width: 56px; height: 56px; }
  .ruicheng-vl-play-inner i { font-size: 16px; }
  .ruicheng-vl-cta-inner { padding: 0 24px; }
  .ruicheng-vl-cta-title { font-size: 22px; }
}

/* 3）小平板（991px）：布局单列，侧栏置顶变为横向卡片，网格 2 列 */
@media (max-width: 991px) {
  .ruicheng-vl-main {
    grid-template-columns: 1fr;
    padding: 32px 22px;
  }
  .ruicheng-vl-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .ruicheng-vl-sidebar > .ruicheng-vl-contact-card {
    grid-column: span 2;
  }
  .ruicheng-vl-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .ruicheng-vl-toolbar { padding: 14px 16px; gap: 12px; }
  .ruicheng-vl-cta { padding: 40px 0; }
  .ruicheng-vl-cta-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 22px;
    gap: 22px;
  }
  .ruicheng-vl-cta-text { min-width: 0; width: 100%; }
}

/* 4）手机中等（767px）：侧栏单列，视频 1 列 */
@media (max-width: 767px) {
  .ruicheng-vl-main { padding: 24px 16px; gap: 20px; }
  .ruicheng-vl-sidebar { grid-template-columns: 1fr; gap: 16px; }
  .ruicheng-vl-sidebar > .ruicheng-vl-contact-card { grid-column: span 1; }
  .ruicheng-vl-breadcrumb-inner { padding: 12px 0; font-size: 13px; }
  .ruicheng-vl-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .ruicheng-vl-toolbar { padding: 12px 14px; }
  .ruicheng-vl-toolbar-left,
  .ruicheng-vl-toolbar-right { gap: 12px; }
  .ruicheng-vl-sort a { padding: 5px 10px; font-size: 12.5px; }
  .ruicheng-vl-result { font-size: 13px; }
  .ruicheng-vl-card-title { font-size: 15px; }
  .ruicheng-vl-play { width: 60px; height: 60px; }
  .ruicheng-vl-play-inner { width: 52px; height: 52px; }
  .ruicheng-vl-play-inner i { font-size: 15px; }
  .ruicheng-vl-cta { padding: 32px 0; }
  .ruicheng-vl-cta-inner { padding: 0 16px; }
  .ruicheng-vl-cta-title { font-size: 19px; }
  .ruicheng-vl-cta-sub { font-size: 13.5px; }
  .ruicheng-vl-cta-btn { padding: 12px 22px; font-size: 14px; }
  .ruicheng-vl-pagination-btn { min-width: 34px; height: 34px; padding: 0 10px; font-size: 13px; }
  .ruicheng-vl-pagination-info { width: 100%; margin: 4px 0 0; justify-content: center; }
}

/* 5）手机小屏（575px）：紧凑布局 */
@media (max-width: 575px) {
  .ruicheng-vl-main { padding: 20px 14px; }
  .ruicheng-vl-toolbar { padding: 10px 12px; gap: 10px; }
  .ruicheng-vl-sort { flex-wrap: wrap; }
  .ruicheng-vl-grid { gap: 16px; }
  .ruicheng-vl-card-body { padding: 14px 16px 16px; gap: 10px; }
  .ruicheng-vl-tag { font-size: 11px; padding: 3px 8px; top: 10px; left: 10px; }
  .ruicheng-vl-duration { font-size: 11.5px; padding: 2px 7px; right: 10px; bottom: 10px; }
  .ruicheng-vl-card-meta { font-size: 12px; padding-top: 10px; }
  .ruicheng-vl-cta-btn { width: 100%; }
}

/* 兼容：无 JS 时直接显示卡片 */
.no-js .ruicheng-vl-card {
  opacity: 1;
  transform: none;
}