/* ============================================
   糖心vlog - 游戏解说视频社区 原创样式
   配色：深紫#1a0a2e + 电竞蓝#00d4ff + 霓虹粉#ff2d78 + 金色#ffd700
   域名：cibaxjpa.cn
   ============================================ */
:root {
  --bg-dark: #0d0618;
  --bg-card: #1a0a2e;
  --bg-card-hover: #251242;
  --primary: #00d4ff;
  --accent: #ff2d78;
  --gold: #ffd700;
  --text: #e8e0f0;
  --text-muted: #9b8fb8;
  --white: #ffffff;
  --border: rgba(0,212,255,0.15);
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --glow-blue: 0 0 20px rgba(0,212,255,0.3);
  --glow-pink: 0 0 20px rgba(255,45,120,0.3);
  --radius: 12px;
  --max-w: 1200px;
}
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body { font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif; background:var(--bg-dark); color:var(--text); line-height:1.7; }
a { color:var(--primary); text-decoration:none; transition:color .2s; }
a:hover { color:var(--gold); }
img { max-width:100%; height:auto; display:block; }
.container { max-width:var(--max-w); margin:0 auto; padding:0 20px; }

/* 隐藏干扰标签 */
.tx-noise { display:none !important; position:absolute; left:-9999px; overflow:hidden; width:0; height:0; }

/* ===== 顶部公告栏 ===== */
.top-announce {
  background:linear-gradient(90deg,var(--accent),#8b5cf6,var(--primary));
  padding:8px 0; text-align:center; font-size:13px; color:var(--white);
}
.top-announce a { color:var(--gold); font-weight:700; }

/* ===== 主导航 ===== */
.site-header {
  background:rgba(13,6,24,0.95); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border); position:sticky; top:0; z-index:1000;
}
.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0; gap:20px;
}
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:22px; color:var(--white); }
.logo img { width:40px; height:40px; border-radius:8px; }
.logo .brand-text { background:linear-gradient(135deg,var(--primary),var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.main-nav { display:flex; gap:6px; flex-wrap:wrap; }
.main-nav a {
  padding:6px 14px; border-radius:20px; font-size:14px; color:var(--text-muted);
  transition:all .25s; white-space:nowrap;
}
.main-nav a:hover, .main-nav a.active { background:var(--bg-card); color:var(--primary); box-shadow:var(--glow-blue); }
.mobile-menu-btn {
  display:none; background:none; border:2px solid var(--primary); border-radius:6px;
  padding:6px 10px; cursor:pointer; flex-direction:column; gap:4px;
}
.mobile-menu-btn span { display:block; width:22px; height:2px; background:var(--primary); }

/* ===== 搜索栏 ===== */
.search-bar { background:var(--bg-card); padding:14px 0; border-bottom:1px solid var(--border); }
.search-box {
  display:flex; max-width:600px; margin:0 auto; border-radius:30px; overflow:hidden;
  border:2px solid var(--border); transition:border-color .3s;
}
.search-box:focus-within { border-color:var(--primary); box-shadow:var(--glow-blue); }
.search-box input {
  flex:1; padding:10px 20px; background:transparent; border:none; color:var(--text);
  font-size:14px; outline:none;
}
.search-box input::placeholder { color:var(--text-muted); }
.search-box button {
  padding:10px 24px; background:linear-gradient(135deg,var(--primary),var(--accent));
  border:none; color:var(--white); font-size:14px; cursor:pointer; font-weight:600;
}

/* ===== Banner ===== */
.hero-banner {
  position:relative; min-height:520px; display:flex; align-items:center;
  background-size:cover; background-position:center; overflow:hidden;
}
.hero-banner::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg,rgba(13,6,24,0.88),rgba(26,10,46,0.75),rgba(0,212,255,0.15));
}
.hero-content { position:relative; z-index:2; max-width:680px; padding:60px 0; }
.hero-content h1 { font-size:42px; font-weight:900; line-height:1.2; margin-bottom:16px; }
.hero-content h1 .hl-blue { color:var(--primary); }
.hero-content h1 .hl-pink { color:var(--accent); }
.hero-content p { font-size:17px; color:var(--text-muted); margin-bottom:28px; line-height:1.8; }
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; }
.btn-primary {
  padding:12px 32px; background:linear-gradient(135deg,var(--primary),#0099cc); color:var(--white);
  border:none; border-radius:30px; font-size:15px; font-weight:700; cursor:pointer;
  box-shadow:var(--glow-blue); transition:transform .2s;
}
.btn-primary:hover { transform:translateY(-2px); color:var(--white); }
.btn-outline {
  padding:12px 32px; background:transparent; color:var(--accent);
  border:2px solid var(--accent); border-radius:30px; font-size:15px; font-weight:700;
  cursor:pointer; transition:all .2s;
}
.btn-outline:hover { background:var(--accent); color:var(--white); }

/* ===== 通用Section ===== */
.section { padding:60px 0; }
.section-dark { background:var(--bg-card); }
.section-title {
  text-align:center; margin-bottom:40px;
}
.section-title h2 {
  font-size:32px; font-weight:800; margin-bottom:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.section-title p { color:var(--text-muted); font-size:15px; }

/* ===== 视频卡片网格 ===== */
.video-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.video-card {
  background:var(--bg-card); border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--border); transition:all .3s; cursor:pointer;
}
.video-card:hover { transform:translateY(-6px); box-shadow:var(--glow-blue); border-color:var(--primary); }
.video-thumb {
  position:relative; padding-top:56.25%; overflow:hidden;
}
.video-thumb img {
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition:transform .4s;
}
.video-card:hover .video-thumb img { transform:scale(1.08); }
.play-btn {
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%) scale(0);
  width:60px; height:60px; background:rgba(0,212,255,0.9); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  transition:transform .3s; z-index:3;
}
.play-btn::after {
  content:''; width:0; height:0; border-style:solid;
  border-width:10px 0 10px 18px; border-color:transparent transparent transparent var(--white);
  margin-left:3px;
}
.video-card:hover .play-btn { transform:translate(-50%,-50%) scale(1); }
.video-duration {
  position:absolute; bottom:8px; right:8px; background:rgba(0,0,0,0.8);
  color:var(--white); padding:2px 8px; border-radius:4px; font-size:12px; z-index:3;
}
.video-info { padding:16px; }
.video-info h3 { font-size:15px; font-weight:700; color:var(--white); margin-bottom:8px; line-height:1.4; }
.video-meta { display:flex; gap:12px; font-size:12px; color:var(--text-muted); }
.video-meta span { display:flex; align-items:center; gap:4px; }

/* ===== 模块卡片 ===== */
.module-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:20px; }
.module-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px; text-align:center; transition:all .3s;
}
.module-card:hover { border-color:var(--primary); box-shadow:var(--glow-blue); transform:translateY(-4px); }
.module-icon { font-size:40px; margin-bottom:14px; }
.module-card h3 { font-size:18px; font-weight:700; color:var(--white); margin-bottom:8px; }
.module-card p { font-size:13px; color:var(--text-muted); line-height:1.6; }

/* ===== 专家卡片 ===== */
.expert-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.expert-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; text-align:center; transition:all .3s;
}
.expert-card:hover { border-color:var(--accent); box-shadow:var(--glow-pink); }
.expert-card img { width:100px; height:100px; border-radius:50%; margin:0 auto 14px; object-fit:cover; border:3px solid var(--accent); }
.expert-card h3 { font-size:17px; font-weight:700; color:var(--white); margin-bottom:4px; }
.expert-card .role { font-size:13px; color:var(--primary); margin-bottom:10px; }
.expert-card p { font-size:13px; color:var(--text-muted); line-height:1.6; margin-bottom:14px; }
.expert-btns { display:flex; gap:8px; justify-content:center; }
.expert-btns a {
  padding:6px 16px; border-radius:20px; font-size:12px; font-weight:600;
  border:1px solid var(--primary); color:var(--primary); transition:all .2s;
}
.expert-btns a:hover { background:var(--primary); color:var(--white); }

/* ===== FAQ ===== */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  margin-bottom:12px; overflow:hidden;
}
.faq-q {
  padding:18px 24px; font-weight:700; color:var(--white); cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; font-size:15px;
}
.faq-q::after { content:'+'; font-size:22px; color:var(--primary); transition:transform .3s; }
.faq-item.open .faq-q::after { transform:rotate(45deg); }
.faq-a { padding:0 24px; max-height:0; overflow:hidden; transition:all .3s; }
.faq-item.open .faq-a { padding:0 24px 18px; max-height:500px; }
.faq-a p { font-size:14px; color:var(--text-muted); line-height:1.7; }

/* ===== 评论 ===== */
.review-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.review-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; transition:all .3s;
}
.review-card:hover { border-color:var(--gold); }
.review-stars { color:var(--gold); font-size:16px; margin-bottom:10px; }
.review-card blockquote { font-size:14px; color:var(--text); line-height:1.7; margin-bottom:14px; font-style:italic; }
.review-author { font-size:13px; color:var(--text-muted); font-weight:600; }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding:14px 0; font-size:13px; color:var(--text-muted);
  border-bottom:1px solid var(--border);
}
.breadcrumb a { color:var(--primary); }
.breadcrumb span { margin:0 6px; }

/* ===== 页面Hero ===== */
.page-hero {
  padding:50px 0; text-align:center;
  background:linear-gradient(135deg,var(--bg-dark),var(--bg-card),rgba(0,212,255,0.08));
}
.page-hero h1 { font-size:36px; font-weight:800; color:var(--white); margin-bottom:10px; }
.page-hero p { font-size:15px; color:var(--text-muted); max-width:600px; margin:0 auto; }

/* ===== 页脚 ===== */
.site-footer {
  background:var(--bg-card); border-top:1px solid var(--border); padding:50px 0 0;
}
.footer-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:30px;
  margin-bottom:40px;
}
.footer-col h4 { font-size:16px; font-weight:700; color:var(--white); margin-bottom:16px; }
.footer-col p, .footer-col a { font-size:13px; color:var(--text-muted); display:block; margin-bottom:8px; line-height:1.6; }
.footer-col a:hover { color:var(--primary); }
.footer-col img { width:120px; border-radius:8px; margin-top:8px; }
.footer-logo { display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-logo img { width:36px; height:36px; border-radius:8px; }
.footer-logo span { font-size:20px; font-weight:800; color:var(--white); }
.footer-bottom {
  border-top:1px solid var(--border); padding:20px 0; text-align:center;
  font-size:13px; color:var(--text-muted);
}
.footer-share { display:flex; gap:12px; justify-content:center; margin-top:12px; }
.footer-share a {
  width:36px; height:36px; border-radius:50%; background:var(--bg-dark);
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  font-size:14px; color:var(--text-muted); transition:all .2s;
}
.footer-share a:hover { border-color:var(--primary); color:var(--primary); }

/* ===== 合作Logo墙 ===== */
.partner-wall { display:flex; flex-wrap:wrap; gap:20px; justify-content:center; align-items:center; }
.partner-wall img { height:50px; opacity:0.6; filter:grayscale(1); transition:all .3s; }
.partner-wall img:hover { opacity:1; filter:grayscale(0); }

/* ===== 内页通用 ===== */
.content-section { padding:40px 0; }
.content-section h2 { font-size:26px; font-weight:800; color:var(--white); margin-bottom:16px; }
.content-section h3 { font-size:20px; font-weight:700; color:var(--primary); margin-bottom:12px; }
.content-section p { font-size:14px; color:var(--text-muted); line-height:1.8; margin-bottom:16px; }
.tag-list { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px; }
.tag-list span {
  padding:4px 14px; background:rgba(0,212,255,0.1); border:1px solid var(--border);
  border-radius:20px; font-size:12px; color:var(--primary);
}

/* ===== 联系页 ===== */
.contact-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:24px; }
.contact-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px; text-align:center;
}
.contact-card h3 { font-size:18px; color:var(--white); margin-bottom:12px; }
.contact-card p { font-size:14px; color:var(--text-muted); line-height:1.7; }

/* ===== 视频弹窗 ===== */
.video-modal {
  display:none; position:fixed; inset:0; background:rgba(0,0,0,0.9);
  z-index:9999; align-items:center; justify-content:center;
}
.video-modal.active { display:flex; }
.video-modal-inner {
  background:var(--bg-card); border-radius:var(--radius); padding:24px;
  max-width:800px; width:90%; text-align:center;
}
.video-modal-inner h3 { color:var(--white); margin-bottom:16px; font-size:20px; }
.video-modal-inner p { color:var(--text-muted); font-size:14px; margin-bottom:20px; }
.modal-close {
  padding:10px 28px; background:var(--accent); color:var(--white); border:none;
  border-radius:20px; cursor:pointer; font-size:14px; font-weight:600;
}

/* ===== 响应式 ===== */
@media (max-width:768px) {
  .main-nav { display:none; position:absolute; top:100%; left:0; right:0; background:var(--bg-dark); flex-direction:column; padding:16px; border-bottom:1px solid var(--border); }
  .main-nav.open { display:flex; }
  .mobile-menu-btn { display:flex; }
  .hero-content h1 { font-size:28px; }
  .hero-banner { min-height:400px; }
  .section-title h2 { font-size:24px; }
  .video-grid { grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); }
  .header-inner { flex-wrap:wrap; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:480px) {
  .video-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-content h1 { font-size:24px; }
  .hero-btns { flex-direction:column; }
}