/* 探花 原创配色与样式 */
:root {
    --primary: #1A1F3A; /* 深夜蓝 */
    --accent: #E63946;  /* 游戏红 */
    --secondary: #F4A261; /* 暖橙 */
    --bg-color: #0D1117; /* 极深黑 */
    --card-bg: #161B2E;
    --text-main: #E8EAF0;
    --text-muted: #8892A4;
    --gradient: linear-gradient(135deg, #1A1F3A 0%, #0D1117 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}
a { color: var(--text-main); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }

/* Header */
.site-header { background-color: rgba(26, 31, 58, 0.95); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(255,255,255,0.05); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.main-nav ul { display: flex; gap: 25px; }
.main-nav a { font-size: 16px; font-weight: 500; }
.main-nav a.active { color: var(--accent); border-bottom: 2px solid var(--accent); padding-bottom: 5px; }
.search-box { display: flex; }
.search-box input { padding: 8px 12px; border: 1px solid var(--text-muted); background: var(--card-bg); color: #fff; border-radius: 4px 0 0 4px; outline: none; }
.search-box button { padding: 8px 15px; background: var(--accent); color: #fff; border: none; border-radius: 0 4px 4px 0; cursor: pointer; }

/* Hero Banner */
.hero-banner {
    position: relative; height: 500px; background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center; text-align: center;
}
.hero-banner::before { content: ''; position: absolute; inset: 0; background: rgba(13, 17, 23, 0.7); }
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-content h1 { font-size: 48px; color: #fff; margin-bottom: 20px; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }
.hero-content p { font-size: 18px; color: var(--text-main); margin-bottom: 30px; }

/* Section Common */
.section { padding: 60px 0; }
.section-title { font-size: 32px; text-align: center; margin-bottom: 40px; color: #fff; }
.section-title span { color: var(--accent); }

/* Video Cards */
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
.video-card { background: var(--card-bg); border-radius: 8px; overflow: hidden; transition: transform 0.3s; position: relative; }
.video-card:hover { transform: translateY(-5px); }
.video-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; }
.play-btn { position: absolute; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s; }
.video-card:hover .play-btn { opacity: 1; }
.play-btn::after { content: '▶'; font-size: 40px; color: var(--accent); }
.video-info { padding: 15px; }
.video-title { font-size: 16px; font-weight: bold; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: center; background: var(--card-bg); padding: 30px; border-radius: 8px; margin-top: -40px; position: relative; z-index: 10; }
.stat-item h3 { font-size: 36px; color: var(--secondary); margin-bottom: 5px; }

/* Experts */
.expert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.expert-card { text-align: center; background: var(--card-bg); padding: 30px 20px; border-radius: 8px; }
.expert-avatar { width: 150px; height: 150px; border-radius: 50%; margin: 0 auto 20px; overflow: hidden; border: 3px solid var(--accent); }
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-name { font-size: 20px; margin-bottom: 5px; }
.expert-title { color: var(--secondary); margin-bottom: 15px; font-size: 14px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--card-bg); margin-bottom: 15px; border-radius: 6px; overflow: hidden; }
.faq-q { padding: 15px 20px; font-weight: bold; cursor: pointer; display: flex; justify-content: space-between; }
.faq-a { padding: 0 20px 15px; color: var(--text-muted); display: none; }
.faq-item.active .faq-a { display: block; }

/* Footer */
.site-footer { background: #080B10; padding: 60px 0 20px; border-top: 1px solid rgba(255,255,255,0.05); margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr 1fr; gap: 30px; margin-bottom: 40px; }
.footer-brand p { margin: 15px 0; color: var(--text-muted); font-size: 14px; }
.social-share a { display: inline-block; margin-right: 10px; color: var(--accent); }
.footer-links h3, .footer-contact h3 { font-size: 18px; margin-bottom: 20px; color: #fff; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted); }
.footer-contact p { color: var(--text-muted); margin-bottom: 10px; }
.footer-qrs { display: flex; gap: 15px; }
.qr-item { text-align: center; font-size: 12px; color: var(--text-muted); }
.qr-item img { border-radius: 4px; margin-bottom: 5px; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--text-muted); font-size: 14px; }

/* Mobile Responsive */
@media (max-width: 768px) {
    .header-inner { flex-wrap: wrap; }
    .main-nav, .header-search { display: none; }
    .hero-content h1 { font-size: 32px; }
    .stats-grid, .expert-grid, .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { margin-top: 20px; }
}


/* Utility */
.hq5t2 { opacity:0;pointer-events:none; }
.brm6b50w { width:0;height:0;overflow:hidden; }
.1f3aj { opacity:0;pointer-events:none; }
.5bbacc { opacity:0;pointer-events:none; }
.y9sdk { width:0;height:0;overflow:hidden; }
