@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-card-hover: #1f2a40;
  --fg: #e8edf5;
  --fg-muted: #8892a8;
  --fg-dim: #5a6480;
  --accent: #07c160;
  --accent-light: #0ad06e;
  --accent-glow: rgba(7, 193, 96, 0.15);
  --accent-secondary: #3b82f6;
  --accent-warm: #f59e0b;
  --accent-red: #ef4444;
  --border: #1e293b;
  --border-light: #2d3a52;
  --code-bg: #0d1117;
  --sidebar-width: 300px;
  --topbar-height: 60px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  overflow: hidden;
  height: 100vh;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }

.app { display: flex; height: 100vh; }

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  transition: transform var(--transition);
  z-index: 100;
}

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }

.sidebar-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), #05a34d);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: white; font-weight: 900;
}

.sidebar-logo h1 { font-size: 16px; font-weight: 700; color: var(--fg); line-height: 1.3; }
.sidebar-logo .subtitle { font-size: 11px; color: var(--fg-muted); font-weight: 400; }

.sidebar-stats { display: flex; gap: 12px; margin-top: 12px; }

.stat-badge {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 10px; font-size: 11px; color: var(--fg-muted);
}
.stat-badge strong { color: var(--accent); font-weight: 700; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 12px 20px; }

.nav-group { margin-bottom: 8px; }

.nav-group-title {
  font-size: 10px; font-weight: 700; color: var(--fg-dim);
  text-transform: uppercase; letter-spacing: 1.5px; padding: 8px 12px 4px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  cursor: pointer; transition: all var(--transition);
  margin-bottom: 2px; border: 1px solid transparent;
  text-decoration: none;
}

.nav-item:hover { background: var(--bg-card); border-color: var(--border); }
.nav-item.active { background: var(--accent-glow); border-color: rgba(7, 193, 96, 0.3); }
.nav-item.active .nav-num { background: var(--accent); color: white; }
.nav-item.exam .nav-num { background: var(--accent-warm); color: white; }

.nav-num {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--bg-card);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--fg-muted);
  flex-shrink: 0; transition: all var(--transition);
}

.nav-text { flex: 1; min-width: 0; }
.nav-text .title { font-size: 13px; font-weight: 500; color: var(--fg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-text .chapter { font-size: 10px; color: var(--fg-dim); }
.nav-item.active .nav-text .title { color: var(--accent-light); }

/* ===== Main ===== */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  height: var(--topbar-height); min-height: var(--topbar-height);
  background: var(--bg-secondary); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px; gap: 16px; flex-shrink: 0;
}

.topbar-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--fg-muted); }
.topbar-breadcrumb .current { color: var(--fg); font-weight: 600; }
.topbar-breadcrumb .sep { color: var(--fg-dim); }

.topbar-actions { margin-left: auto; display: flex; gap: 8px; }

.topbar-btn {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 6px 14px;
  font-size: 12px; color: var(--fg-muted); cursor: pointer;
  transition: all var(--transition); font-family: inherit; text-decoration: none;
}
.topbar-btn:hover { background: var(--bg-card-hover); color: var(--fg); border-color: var(--border-light); }
.topbar-btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.topbar-btn.primary:hover { background: var(--accent-light); }

.content-area { flex: 1; overflow-y: auto; padding: 32px; }

/* ===== Page Header ===== */
.page-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }

.page-header .session-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-glow); border: 1px solid rgba(7, 193, 96, 0.3);
  border-radius: 20px; padding: 4px 14px;
  font-size: 12px; font-weight: 600; color: var(--accent); margin-bottom: 12px;
}

.page-header h2 { font-size: 28px; font-weight: 900; color: var(--fg); margin-bottom: 8px; line-height: 1.3; }

.page-header .meta-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; }

.meta-tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--fg-muted);
  background: var(--bg-card); padding: 4px 10px;
  border-radius: 4px; border: 1px solid var(--border);
}
.meta-tag .label { color: var(--fg-dim); }

/* ===== Grid & Cards ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 28px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-bottom: 28px; }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; transition: all var(--transition);
}
.card:hover { border-color: var(--border-light); box-shadow: var(--shadow); }

.card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }

.card-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.card-icon.green { background: rgba(7, 193, 96, 0.15); color: var(--accent); }
.card-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-secondary); }
.card-icon.orange { background: rgba(245, 158, 11, 0.15); color: var(--accent-warm); }
.card-icon.red { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }

.card-title { font-size: 15px; font-weight: 700; color: var(--fg); }

/* ===== Sections ===== */
.section { margin-bottom: 28px; }

.section-header { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }

.section-num {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--accent); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}

.section-title { font-size: 18px; font-weight: 700; color: var(--fg); }

.content-block {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 16px;
}

.content-block h4 { font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 10px; }
.content-block p { font-size: 14px; color: var(--fg-muted); line-height: 1.8; margin-bottom: 8px; }
.content-block ul, .content-block ol { padding-left: 20px; margin-bottom: 8px; }
.content-block li { font-size: 14px; color: var(--fg-muted); line-height: 1.8; margin-bottom: 4px; }
.content-block strong { color: var(--fg); font-weight: 600; }
.content-block code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--code-bg); padding: 2px 6px; border-radius: 4px;
  font-size: 13px; color: var(--accent);
}

/* ===== Code Blocks ===== */
.code-block {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden; margin: 12px 0;
}

.code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px; background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.code-filename { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--fg-dim); }
.code-lang { font-size: 10px; color: var(--fg-dim); background: var(--bg-card); padding: 2px 8px; border-radius: 4px; }

.code-body { padding: 14px; overflow-x: auto; }
.code-body pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; line-height: 1.6; color: #c9d1d9; white-space: pre;
}
.code-body .kw { color: #ff7b72; }
.code-body .str { color: #a5d6ff; }
.code-body .cmt { color: #8b949e; }
.code-body .fn { color: #d2a8ff; }
.code-body .num { color: #79c0ff; }
.code-body .tag { color: #7ee787; }
.code-body .attr { color: #79c0ff; }
.code-body .val { color: #a5d6ff; }

/* ===== Knowledge Points ===== */
.knowledge-point {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  margin-bottom: 8px; transition: all var(--transition);
}
.knowledge-point:hover { border-color: var(--border-light); }

.kp-marker {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-top: 8px; flex-shrink: 0;
}
.kp-marker.blue { background: var(--accent-secondary); }
.kp-marker.orange { background: var(--accent-warm); }

.kp-text { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }
.kp-text strong { color: var(--fg); }

/* ===== Task Cards ===== */
.task-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 12px;
}

.task-card .task-level {
  display: inline-block; font-size: 10px; font-weight: 700;
  padding: 2px 8px; border-radius: 4px; margin-bottom: 8px; text-transform: uppercase;
}
.task-level.basic { background: rgba(7, 193, 96, 0.15); color: var(--accent); }
.task-level.medium { background: rgba(59, 130, 246, 0.15); color: var(--accent-secondary); }
.task-level.advanced { background: rgba(245, 158, 11, 0.15); color: var(--accent-warm); }

.task-card h5 { font-size: 14px; font-weight: 600; color: var(--fg); margin-bottom: 6px; }
.task-card p { font-size: 13px; color: var(--fg-muted); line-height: 1.6; }

/* ===== Video ===== */
.video-container {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 20px;
}

.video-header {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}

.video-header .play-icon {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center;
  justify-content: center; color: white; font-size: 14px;
}

.video-header .video-title { font-size: 14px; font-weight: 600; color: var(--fg); }

.video-placeholder {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #0d1117, #161b22);
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 12px;
}

.video-placeholder .big-play {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(7, 193, 96, 0.2); border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 24px; cursor: pointer;
  transition: all var(--transition);
}
.video-placeholder .big-play:hover { background: var(--accent); color: white; transform: scale(1.1); }
.video-placeholder p { font-size: 13px; color: var(--fg-dim); }

.session-video {
  width: 100%;
  aspect-ratio: 16/9;
  display: block;
  background: #000;
}

.download-bar {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.download-bar.standalone {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(7, 193, 96, 0.3);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.download-btn:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.download-btn .dl-icon {
  font-size: 14px;
}

/* ===== Tables ===== */
.comparison-table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.comparison-table th {
  background: var(--bg-card); padding: 10px 14px;
  font-size: 12px; font-weight: 700; color: var(--fg);
  text-align: left; border: 1px solid var(--border);
}
.comparison-table td { padding: 10px 14px; font-size: 13px; color: var(--fg-muted); border: 1px solid var(--border); }
.comparison-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ===== Tip Boxes ===== */
.tip-box {
  border-radius: var(--radius-sm); padding: 14px 18px; margin: 12px 0;
  display: flex; gap: 10px; align-items: flex-start;
}
.tip-box.info { background: rgba(59, 130, 246, 0.08); border: 1px solid rgba(59, 130, 246, 0.2); }
.tip-box.warning { background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.2); }
.tip-box.success { background: rgba(7, 193, 96, 0.08); border: 1px solid rgba(7, 193, 96, 0.2); }
.tip-box .tip-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.tip-box .tip-text { font-size: 13px; color: var(--fg-muted); line-height: 1.6; }
.tip-box .tip-text strong { color: var(--fg); }

/* ===== Timeline ===== */
.timeline { position: relative; padding-left: 28px; margin: 12px 0; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 4px; bottom: 4px;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; padding-bottom: 16px; }
.timeline-item::before {
  content: ''; position: absolute; left: -24px; top: 6px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
}
.timeline-item .time { font-size: 11px; color: var(--fg-dim); font-weight: 600; margin-bottom: 2px; }
.timeline-item .desc { font-size: 13px; color: var(--fg-muted); }

/* ===== Home Page ===== */
.home-page { max-width: 900px; margin: 0 auto; }
.home-hero { text-align: center; padding: 60px 0 40px; }
.home-hero .hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-glow); border: 1px solid rgba(7, 193, 96, 0.3);
  border-radius: 20px; padding: 6px 16px;
  font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 20px;
}
.home-hero h1 { font-size: 42px; font-weight: 900; color: var(--fg); margin-bottom: 12px; line-height: 1.2; }
.home-hero h1 span { color: var(--accent); }
.home-hero .hero-desc { font-size: 16px; color: var(--fg-muted); max-width: 600px; margin: 0 auto; line-height: 1.7; }

.home-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 32px 0; }
.home-stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; }
.home-stat .num { font-size: 32px; font-weight: 900; color: var(--accent); line-height: 1; margin-bottom: 4px; }
.home-stat .label { font-size: 12px; color: var(--fg-dim); }

.home-sessions { margin-top: 32px; }
.home-sessions h3 { font-size: 18px; font-weight: 700; color: var(--fg); margin-bottom: 16px; }

.session-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }

.session-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; cursor: pointer;
  transition: all var(--transition); text-decoration: none; display: block;
}
.session-card:hover { border-color: var(--accent); box-shadow: 0 0 20px var(--accent-glow); transform: translateY(-2px); }
.session-card .card-top { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.session-card .card-num {
  width: 32px; height: 32px; border-radius: 8px; background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: white; flex-shrink: 0;
}
.session-card.exam-card .card-num { background: var(--accent-warm); }
.session-card .card-info h4 { font-size: 14px; font-weight: 600; color: var(--fg); line-height: 1.3; }
.session-card .card-info .ch { font-size: 11px; color: var(--fg-dim); }
.session-card .card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.session-card .card-tag {
  font-size: 10px; padding: 2px 8px; border-radius: 4px;
  background: var(--bg); color: var(--fg-dim); border: 1px solid var(--border);
}

/* ===== Mobile ===== */
.mobile-toggle {
  display: none; position: fixed; bottom: 20px; right: 20px;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: white; border: none;
  font-size: 20px; cursor: pointer; z-index: 200;
  box-shadow: 0 4px 16px rgba(7, 193, 96, 0.4);
}

@media (max-width: 768px) {
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .mobile-toggle { display: flex; align-items: center; justify-content: center; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .home-stats { grid-template-columns: repeat(2, 1fr); }
  .content-area { padding: 20px 16px; }
  .page-header h2 { font-size: 22px; }
}

.fade-in { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 代码高亮补充（与 videos/_shared.css 保持一致的 token 类） ===== */
.code-body .prop { color: #79c0ff; }
.code-body .sel { color: #7ee787; }
.code-body .unit { color: #f0883e; }
.code-body .code-line { display: flex; white-space: pre; }
.code-body .code-line .ln {
  width: 34px; text-align: right; color: #484f58;
  margin-right: 14px; flex-shrink: 0; user-select: none;
}
.code-body .code-line.highlight {
  background: var(--accent-glow); border-left: 3px solid var(--accent);
  margin-left: -14px; padding-left: 11px;
}

/* ===== 课时分配条 ===== */
.hours-bar { display: flex; height: 26px; border-radius: 6px; overflow: hidden; margin: 10px 0 8px; }
.hours-bar .seg { display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #fff; }
.hours-bar .seg.theory { background: var(--accent-secondary); }
.hours-bar .seg.practice { background: var(--accent); }
.hours-note { font-size: 12px; color: var(--fg-muted); line-height: 1.7; }

/* ===== 讲解要点（narration 转成的旁注） ===== */
.narration-note {
  background: rgba(59, 130, 246, 0.06); border-left: 3px solid var(--accent-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px; margin: 10px 0 0; font-size: 13px; color: var(--fg-muted); line-height: 1.8;
}
.narration-note .hl { color: var(--accent); font-weight: 700; }
.narration-note .hl-blue { color: var(--accent-secondary); font-weight: 700; }
.narration-note .hl-orange { color: var(--accent-warm); font-weight: 700; }

/* ===== 课件缩略图 ===== */
.slide-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.slide-thumb {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; background: var(--bg-card); transition: all var(--transition); display: block;
}
.slide-thumb:hover { border-color: var(--accent); transform: translateY(-2px); }
.slide-thumb img { width: 100%; display: block; }
.slide-thumb .cap { font-size: 11px; color: var(--fg-dim); padding: 6px 10px; }

/* ===== 案例源码卡片 ===== */
.case-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.case-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.case-card .case-name { font-size: 14px; font-weight: 600; color: var(--fg); margin-bottom: 4px; }
.case-card .case-meta { font-size: 11px; color: var(--fg-dim); margin-bottom: 10px; }
.case-card .case-links { display: flex; gap: 8px; flex-wrap: wrap; }
.case-card .case-links a {
  font-size: 11px; padding: 4px 10px; border-radius: 4px; text-decoration: none;
  color: var(--fg-muted); background: var(--bg); border: 1px solid var(--border);
  transition: all var(--transition);
}
.case-card .case-links a:hover { color: var(--accent); border-color: var(--accent); }

/* ===== 教学计划总表 ===== */
.plan-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13px; }
.plan-table th {
  background: var(--bg-card); padding: 10px 12px; font-size: 12px; font-weight: 700;
  color: var(--fg); text-align: left; border: 1px solid var(--border); white-space: nowrap;
}
.plan-table td { padding: 10px 12px; color: var(--fg-muted); border: 1px solid var(--border); vertical-align: top; }
.plan-table tr:hover td { background: rgba(255,255,255,0.02); }
.plan-table td.num { text-align: center; font-weight: 700; color: var(--accent); white-space: nowrap; }
.plan-table td.hrs { text-align: center; white-space: nowrap; }
.plan-table a { color: var(--fg); text-decoration: none; font-weight: 600; }
.plan-table a:hover { color: var(--accent); }
.plan-table tr.exam-row td { background: rgba(245, 158, 11, 0.06); }

/* ── 公网版：视频替换提示块 ── */
.video-notice{display:flex;gap:16px;align-items:center;padding:22px 24px;
  background:linear-gradient(135deg,#f0f4f8,#e8eef4);border:1px solid #d6dee6;
  border-radius:12px;border-left:4px solid var(--accent,#07c160);}
.video-notice-icon{flex:0 0 44px;height:44px;border-radius:50%;
  background:var(--accent,#07c160);color:#fff;display:flex;align-items:center;
  justify-content:center;font-size:17px;}
.video-notice-text{display:flex;flex-direction:column;gap:5px;}
.video-notice-text strong{font-size:15px;color:#1f2d3d;}
.video-notice-text span{font-size:13px;color:#6b7580;line-height:1.6;}