/* =====================================================
   重口 | bdgats.cn | 完全原创CSS
   主题：深紫金色·星空影院风格
   ===================================================== */

/* ---- CSS变量 ---- */
:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-light: #a78bfa;
  --gold: #d4af37;
  --gold-light: #f5e07a;
  --accent: #e11d48;
  --accent2: #0ea5e9;
  --bg-dark: #0d0a1a;
  --bg-card: #1a1430;
  --bg-card2: #221840;
  --bg-section: #120e24;
  --text-main: #f0eaff;
  --text-sub: #b8a9d9;
  --text-muted: #7c6fa0;
  --border: rgba(124,58,237,0.25);
  --border-gold: rgba(212,175,55,0.3);
  --shadow: 0 8px 32px rgba(124,58,237,0.25);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.4);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
  --header-h: 68px;
  --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg-dark);color:var(--text-main);line-height:1.7;min-height:100vh;overflow-x:hidden}
a{color:var(--primary-light);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:var(--font)}

/* ---- 布局容器 ---- */
.container{max-width:1280px;margin:0 auto;padding:0 20px}

/* ---- 公告栏 ---- */
.announce-bar{background:linear-gradient(90deg,var(--primary-dark),var(--primary),var(--accent));padding:10px 0;position:relative;z-index:100}
.announce-inner{display:flex;align-items:center;gap:12px;max-width:1280px;margin:0 auto;padding:0 20px;font-size:0.88rem}
.announce-icon{font-size:1.1rem}
.announce-inner span:nth-child(2){flex:1;color:#fff}
.announce-btn{background:rgba(255,255,255,0.2);color:#fff;border:1px solid rgba(255,255,255,0.4);padding:4px 14px;border-radius:20px;font-size:0.82rem;transition:background var(--transition);white-space:nowrap}
.announce-btn:hover{background:rgba(255,255,255,0.35);color:#fff}
.announce-close{color:rgba(255,255,255,0.7);font-size:1rem;padding:2px 6px;line-height:1}
.announce-close:hover{color:#fff}

/* ---- 头部导航 ---- */
.site-header{background:rgba(13,10,26,0.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:200;transition:box-shadow var(--transition)}
.site-header.scrolled{box-shadow:0 4px 24px rgba(124,58,237,0.3)}
.header-wrap{display:flex;align-items:center;gap:16px;max-width:1280px;margin:0 auto;padding:0 20px;height:var(--header-h)}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{border-radius:8px;object-fit:contain}
.logo-img{object-fit:contain;max-height:40px;width:auto}
.main-nav{flex:1}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-item a{display:block;padding:8px 14px;border-radius:var(--radius-sm);color:var(--text-sub);font-size:0.92rem;font-weight:500;transition:all var(--transition);white-space:nowrap}
.nav-item a:hover,.nav-item.active a{color:var(--gold);background:rgba(212,175,55,0.1)}
.nav-item.active a{color:var(--gold-light)}
.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-toggle{color:var(--text-sub);padding:8px;border-radius:var(--radius-sm);transition:all var(--transition)}
.search-toggle:hover{color:var(--gold);background:rgba(212,175,55,0.1)}
.header-cta{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;padding:8px 20px;border-radius:20px;font-size:0.88rem;font-weight:600;transition:opacity var(--transition);white-space:nowrap}
.header-cta:hover{opacity:0.85;color:#fff}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:var(--radius-sm)}
.hamburger span{display:block;width:22px;height:2px;background:var(--text-sub);border-radius:2px;transition:all var(--transition)}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ---- 搜索栏 ---- */
.search-bar{background:var(--bg-card);border-bottom:1px solid var(--border);overflow:hidden;max-height:0;transition:max-height 0.4s ease}
.search-bar.open{max-height:120px}
.search-bar-inner{max-width:1280px;margin:0 auto;padding:16px 20px}
.search-form{display:flex;gap:0;border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--bg-dark)}
.search-input{flex:1;background:transparent;border:none;outline:none;padding:12px 18px;color:var(--text-main);font-size:0.95rem;font-family:var(--font)}
.search-input::placeholder{color:var(--text-muted)}
.search-submit{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;padding:12px 24px;font-size:0.9rem;font-weight:600;display:flex;align-items:center;gap:6px;transition:opacity var(--transition)}
.search-submit:hover{opacity:0.85}
.search-hot{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap;font-size:0.82rem}
.search-hot span{color:var(--text-muted)}
.search-hot a{color:var(--text-sub);background:rgba(124,58,237,0.15);padding:3px 10px;border-radius:12px;transition:all var(--transition)}
.search-hot a:hover{color:var(--gold);background:rgba(212,175,55,0.15)}

/* ---- 移动端菜单 ---- */
.mobile-menu{display:none;background:var(--bg-card);border-top:1px solid var(--border);padding:16px 20px}
.mobile-menu.open{display:block}
.mobile-search{margin-bottom:14px}
.mobile-search form{display:flex;gap:8px}
.mobile-search input{flex:1;background:var(--bg-dark);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;color:var(--text-main);font-size:0.9rem;outline:none;font-family:var(--font)}
.mobile-search button{background:var(--primary);color:#fff;padding:10px 18px;border-radius:var(--radius-sm);font-size:0.9rem}
.mobile-nav-list{display:flex;flex-direction:column;gap:4px}
.mobile-nav-list li a{display:block;padding:10px 14px;color:var(--text-sub);border-radius:var(--radius-sm);transition:all var(--transition)}
.mobile-nav-list li a:hover{color:var(--gold);background:rgba(212,175,55,0.1)}

/* ---- 弹窗遮罩 ---- */
.modal-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.75);z-index:500;backdrop-filter:blur(4px)}
.modal-mask.show{display:block}

/* ---- 搜索结果弹窗 ---- */
.search-modal{display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:600;width:min(680px,95vw);max-height:80vh;overflow-y:auto}
.search-modal.show{display:block}
.search-modal-box{background:var(--bg-card2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.search-modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);font-weight:600;color:var(--gold)}
.modal-close-btn{color:var(--text-muted);font-size:1.2rem;padding:4px 8px;border-radius:var(--radius-sm);transition:all var(--transition)}
.modal-close-btn:hover{color:var(--text-main);background:rgba(255,255,255,0.1)}
.search-modal-body{padding:16px 20px}
.search-result-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--transition)}
.search-result-item:hover{background:rgba(124,58,237,0.1);margin:0 -20px;padding:12px 20px;border-radius:var(--radius-sm)}
.search-result-item:last-child{border-bottom:none}
.sri-thumb{width:80px;height:50px;border-radius:6px;object-fit:cover;flex-shrink:0;background:var(--bg-dark)}
.sri-info h4{font-size:0.9rem;color:var(--text-main);margin-bottom:4px}
.sri-info p{font-size:0.78rem;color:var(--text-muted)}

/* ---- 视频播放弹窗 ---- */
.video-modal{display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:600;width:min(900px,95vw)}
.video-modal.show{display:block}
.video-modal-box{background:var(--bg-card2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.video-modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);font-weight:600;color:var(--gold)}
.video-modal-body{background:#000}
.video-modal-info{padding:14px 20px;font-size:0.88rem;color:var(--text-sub)}

/* ---- Hero首屏 ---- */
.hero{position:relative;min-height:600px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0.35}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,10,26,0.9) 40%,rgba(92,33,182,0.5) 100%)}
.hero-content{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:80px 20px;display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(212,175,55,0.15);border:1px solid var(--border-gold);color:var(--gold);padding:6px 16px;border-radius:20px;font-size:0.82rem;margin-bottom:20px}
.badge-pulse{width:8px;height:8px;background:var(--gold);border-radius:50%;animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.4)}}
.hero-h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.2;margin-bottom:16px}
.hero-h1 .brand{color:var(--gold-light);display:block}
.hero-h1 .sub{font-size:clamp(1rem,2.5vw,1.4rem);font-weight:400;color:var(--text-sub);display:block;margin-top:8px}
.hero-desc{color:var(--text-sub);font-size:1rem;line-height:1.8;margin-bottom:28px;max-width:560px}
.hero-desc strong{color:var(--text-main)}
.hero-stats{display:flex;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.stat-box{text-align:center}
.stat-box strong{display:block;font-size:1.5rem;font-weight:800;color:var(--gold-light)}
.stat-box span{font-size:0.78rem;color:var(--text-muted)}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-gold{background:linear-gradient(135deg,var(--gold),#b8860b);color:#1a0a00;padding:14px 32px;border-radius:30px;font-weight:700;font-size:1rem;display:inline-flex;align-items:center;gap:8px;transition:all var(--transition);box-shadow:0 4px 20px rgba(212,175,55,0.4)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(212,175,55,0.5);color:#1a0a00}
.btn-outline-gold{border:2px solid var(--gold);color:var(--gold);padding:12px 28px;border-radius:30px;font-weight:600;font-size:1rem;transition:all var(--transition)}
.btn-outline-gold:hover{background:rgba(212,175,55,0.15);color:var(--gold-light)}
.hero-live-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.live-header{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(225,29,72,0.15);border-bottom:1px solid var(--border)}
.live-dot{width:10px;height:10px;background:var(--accent);border-radius:50%;animation:pulse 1s infinite}
.live-header span{color:var(--accent);font-size:0.85rem;font-weight:700}
.live-header span:last-child{margin-left:auto;color:var(--text-muted);font-size:0.78rem}
.hero-live-card img{width:100%;height:220px;object-fit:cover}
.live-footer{padding:14px 16px}
.live-name{font-weight:600;color:var(--text-main);margin-bottom:4px}
.live-count{font-size:0.82rem;color:var(--text-muted)}

/* ---- 分类标签 ---- */
.cat-section{padding:24px 0}
.cat-tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.cat-tabs::-webkit-scrollbar{display:none}
.cat-tab{background:var(--bg-card);border:1.5px solid var(--border);color:var(--text-sub);padding:8px 20px;border-radius:20px;font-size:0.88rem;white-space:nowrap;transition:all var(--transition);flex-shrink:0}
.cat-tab:hover,.cat-tab.active{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-color:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(124,58,237,0.35)}

/* ---- 通用区块 ---- */
.section{padding:60px 0}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px;gap:16px;flex-wrap:wrap}
.section-title{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:800;color:var(--text-main)}
.section-title .accent{color:var(--gold)}
.section-sub{color:var(--text-muted);font-size:0.88rem;margin-top:4px}
.view-all-link{color:var(--primary-light);font-size:0.88rem;white-space:nowrap;transition:color var(--transition)}
.view-all-link:hover{color:var(--gold)}

/* ---- 视频卡片网格 ---- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.video-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all var(--transition);cursor:pointer;position:relative}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-dark)}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition);background:rgba(0,0,0,0.4)}
.video-card:hover .video-play-btn{opacity:1}
.play-circle{width:56px;height:56px;background:rgba(255,255,255,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform var(--transition)}
.video-card:hover .play-circle{transform:scale(1.1)}
.play-circle svg{margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:0.75rem;padding:2px 7px;border-radius:4px}
.video-tag{position:absolute;top:8px;left:8px;font-size:0.72rem;font-weight:700;padding:3px 8px;border-radius:4px}
.video-tag.hot{background:var(--accent);color:#fff}
.video-tag.new{background:var(--accent2);color:#fff}
.video-tag.top{background:var(--gold);color:#1a0a00}
.video-info{padding:14px}
.video-cat{font-size:0.75rem;color:var(--primary-light);margin-bottom:6px;font-weight:600}
.video-title{font-size:0.92rem;font-weight:600;color:var(--text-main);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.video-meta{display:flex;gap:12px;font-size:0.75rem;color:var(--text-muted)}
.video-meta span{display:flex;align-items:center;gap:4px}

/* ---- 直播区 ---- */
.live-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.live-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all var(--transition);cursor:pointer}
.live-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.live-thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.live-thumb img{width:100%;height:100%;object-fit:cover}
.live-badge{position:absolute;top:10px;left:10px;background:var(--accent);color:#fff;font-size:0.72rem;font-weight:700;padding:3px 10px;border-radius:4px;display:flex;align-items:center;gap:5px}
.live-badge-dot{width:6px;height:6px;background:#fff;border-radius:50%;animation:pulse 1s infinite}
.live-info{padding:12px}
.live-info h4{font-size:0.9rem;font-weight:600;color:var(--text-main);margin-bottom:4px}
.live-info p{font-size:0.78rem;color:var(--text-muted)}

/* ---- 专家区 ---- */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.expert-card{background:var(--bg-card);border:1px solid var(--border-gold);border-radius:var(--radius);padding:24px;text-align:center;transition:all var(--transition)}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(212,175,55,0.2)}
.expert-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--gold));margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:2rem;border:3px solid var(--border-gold)}
.expert-name{font-size:1.05rem;font-weight:700;color:var(--gold-light);margin-bottom:4px}
.expert-role{font-size:0.82rem;color:var(--primary-light);margin-bottom:10px}
.expert-desc{font-size:0.85rem;color:var(--text-sub);line-height:1.6;margin-bottom:14px}
.expert-awards{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:14px}
.award-tag{background:rgba(212,175,55,0.12);border:1px solid var(--border-gold);color:var(--gold);font-size:0.72rem;padding:3px 8px;border-radius:10px}
.expert-btns{display:flex;gap:8px;justify-content:center}
.btn-sm{padding:7px 16px;border-radius:16px;font-size:0.8rem;font-weight:600;transition:all var(--transition)}
.btn-sm-gold{background:linear-gradient(135deg,var(--gold),#b8860b);color:#1a0a00}
.btn-sm-outline{border:1px solid var(--border);color:var(--text-sub)}
.btn-sm-outline:hover{border-color:var(--primary-light);color:var(--primary-light)}

/* ---- AI赋能区 ---- */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.ai-card{background:linear-gradient(135deg,var(--bg-card),var(--bg-card2));border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all var(--transition)}
.ai-card:hover{border-color:var(--primary-light);box-shadow:var(--shadow)}
.ai-icon{font-size:2.2rem;margin-bottom:12px}
.ai-card h3{font-size:1rem;font-weight:700;color:var(--text-main);margin-bottom:8px}
.ai-card p{font-size:0.85rem;color:var(--text-sub);line-height:1.6}

/* ---- 社区功能区 ---- */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.community-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center;transition:all var(--transition);cursor:pointer}
.community-card:hover{border-color:var(--primary);background:var(--bg-card2);transform:translateY(-3px)}
.community-icon{font-size:2rem;margin-bottom:10px}
.community-card h3{font-size:0.95rem;font-weight:700;color:var(--text-main);margin-bottom:6px}
.community-card p{font-size:0.8rem;color:var(--text-muted)}
.community-count{display:inline-block;background:rgba(124,58,237,0.2);color:var(--primary-light);font-size:0.72rem;padding:2px 8px;border-radius:10px;margin-top:8px}

/* ---- 合作品牌 ---- */
.partner-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.partner-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 24px;color:var(--text-sub);font-size:0.88rem;font-weight:600;transition:all var(--transition)}
.partner-item:hover{border-color:var(--gold);color:var(--gold);background:rgba(212,175,55,0.08)}

/* ---- FAQ ---- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color var(--transition)}
.faq-item.open{border-color:var(--primary)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;font-weight:600;color:var(--text-main);font-size:0.95rem;transition:color var(--transition)}
.faq-question:hover{color:var(--gold)}
.faq-item.open .faq-question{color:var(--gold)}
.faq-arrow{transition:transform var(--transition);color:var(--text-muted);flex-shrink:0}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--gold)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease}
.faq-item.open .faq-answer{max-height:300px}
.faq-answer-inner{padding:0 20px 18px;color:var(--text-sub);font-size:0.9rem;line-height:1.8;border-top:1px solid var(--border)}

/* ---- 用户评论 ---- */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.review-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all var(--transition)}
.review-card:hover{border-color:var(--border-gold);box-shadow:0 4px 20px rgba(212,175,55,0.1)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.review-name{font-weight:600;color:var(--text-main);font-size:0.92rem}
.review-date{font-size:0.75rem;color:var(--text-muted)}
.review-stars{display:flex;gap:2px;margin-bottom:10px}
.star{color:var(--gold);font-size:0.9rem}
.review-text{font-size:0.88rem;color:var(--text-sub);line-height:1.7}
.review-tag{display:inline-block;background:rgba(124,58,237,0.15);color:var(--primary-light);font-size:0.72rem;padding:3px 8px;border-radius:10px;margin-top:10px}

/* ---- 联系区域 ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h3{font-size:1.2rem;font-weight:700;color:var(--gold-light);margin-bottom:16px}
.contact-list{display:flex;flex-direction:column;gap:12px}
.contact-item{display:flex;align-items:center;gap:12px;color:var(--text-sub);font-size:0.9rem}
.contact-icon{width:36px;height:36px;background:rgba(124,58,237,0.2);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.contact-qr-row{display:flex;gap:24px;margin-top:20px}
.contact-qr-item{text-align:center}
.contact-qr-item img{border:2px solid var(--border-gold);border-radius:var(--radius-sm);margin-bottom:8px}
.contact-qr-item p{font-size:0.78rem;color:var(--text-muted)}
.contact-map{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.contact-map h3{font-size:1rem;font-weight:700;color:var(--text-main);margin-bottom:14px}
.company-info-list{display:flex;flex-direction:column;gap:10px}
.company-info-item{display:flex;gap:10px;font-size:0.88rem;color:var(--text-sub)}
.company-info-item strong{color:var(--text-main);min-width:80px;flex-shrink:0}

/* ---- 分享栏 ---- */
.share-bar{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.share-label{color:var(--text-muted);font-size:0.88rem;white-space:nowrap}
.share-btns{display:flex;gap:10px;flex-wrap:wrap}
.share-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:20px;font-size:0.82rem;font-weight:600;transition:all var(--transition);border:1px solid var(--border)}
.share-btn:hover{transform:translateY(-2px)}
.share-wechat{color:#07c160;border-color:rgba(7,193,96,0.3)}
.share-wechat:hover{background:rgba(7,193,96,0.1)}
.share-weibo{color:#e6162d;border-color:rgba(230,22,45,0.3)}
.share-weibo:hover{background:rgba(230,22,45,0.1)}
.share-douyin{color:#fe2c55;border-color:rgba(254,44,85,0.3)}
.share-douyin:hover{background:rgba(254,44,85,0.1)}
.share-bilibili{color:#00a1d6;border-color:rgba(0,161,214,0.3)}
.share-bilibili:hover{background:rgba(0,161,214,0.1)}

/* ---- 页脚 ---- */
.site-footer{background:var(--bg-section);border-top:1px solid var(--border)}
.footer-top{padding:48px 0 32px}
.footer-container{max-width:1280px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:32px}
.footer-brand-col{}
.footer-logo-link{display:inline-block;margin-bottom:14px}
.footer-logo-link img{max-height:46px;width:auto}
.footer-tagline{font-size:0.85rem;color:var(--text-muted);line-height:1.7;margin-bottom:16px}
.footer-social-row{display:flex;gap:10px}
.fsoc-link{width:36px;height:36px;background:rgba(124,58,237,0.15);border:1px solid var(--border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-sub);transition:all var(--transition)}
.fsoc-link:hover{background:rgba(212,175,55,0.15);border-color:var(--border-gold);color:var(--gold)}
.footer-col-title{font-size:0.95rem;font-weight:700;color:var(--text-main);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.footer-link-list{display:flex;flex-direction:column;gap:8px}
.footer-link-list a{font-size:0.85rem;color:var(--text-muted);transition:color var(--transition)}
.footer-link-list a:hover{color:var(--gold)}
.footer-contact-col{}
.footer-qr-row{display:flex;gap:16px;margin-bottom:14px}
.footer-qr-item{text-align:center}
.footer-qr-item img{border:1px solid var(--border-gold);border-radius:var(--radius-sm);margin-bottom:6px}
.footer-qr-item p{font-size:0.72rem;color:var(--text-muted)}
.footer-contact-info{display:flex;flex-direction:column;gap:6px}
.footer-contact-info li{font-size:0.82rem;color:var(--text-muted)}
.footer-bottom{border-top:1px solid var(--border);padding:16px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-copy{display:flex;flex-direction:column;gap:4px;font-size:0.8rem;color:var(--text-muted)}
.footer-update{color:var(--text-muted);font-size:0.78rem}
.footer-bottom-nav{display:flex;gap:16px}
.footer-bottom-nav a{font-size:0.8rem;color:var(--text-muted);transition:color var(--transition)}
.footer-bottom-nav a:hover{color:var(--gold)}

/* ---- 返回顶部 ---- */
.back-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(124,58,237,0.4);opacity:0;pointer-events:none;transition:all var(--transition);z-index:300}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(124,58,237,0.5)}

/* ---- 通用按钮 ---- */
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:12px 28px;border-radius:24px;font-weight:600;font-size:0.95rem;display:inline-flex;align-items:center;gap:8px;transition:all var(--transition);box-shadow:0 4px 16px rgba(124,58,237,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,58,237,0.4);color:#fff}
.btn-outline{border:2px solid var(--primary-light);color:var(--primary-light);padding:10px 24px;border-radius:24px;font-weight:600;font-size:0.95rem;transition:all var(--transition)}
.btn-outline:hover{background:rgba(124,58,237,0.15);color:var(--primary-light)}
.btn-load-more{display:block;margin:32px auto 0;background:var(--bg-card);border:1.5px solid var(--border);color:var(--text-sub);padding:12px 40px;border-radius:24px;font-size:0.92rem;transition:all var(--transition)}
.btn-load-more:hover{border-color:var(--primary);color:var(--primary-light)}

/* ---- 面包屑 ---- */
.breadcrumb{padding:16px 0;font-size:0.82rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted);transition:color var(--transition)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span{color:var(--text-sub)}

/* ---- 内页Hero ---- */
.page-hero{background:linear-gradient(135deg,var(--bg-section),var(--bg-card2));border-bottom:1px solid var(--border);padding:48px 0 32px}
.page-hero h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;color:var(--text-main);margin-bottom:10px}
.page-hero h1 .accent{color:var(--gold)}
.page-hero p{color:var(--text-sub);font-size:0.95rem;max-width:600px}

/* ---- 响应式 ---- */
@media(max-width:1024px){
  .hero-content{grid-template-columns:1fr;gap:32px}
  .hero-live-card{max-width:400px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  :root{--header-h:60px}
  .main-nav{display:none}
  .header-cta{display:none}
  .hamburger{display:flex}
  .hero{min-height:auto}
  .hero-content{padding:48px 20px}
  .hero-stats{gap:16px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .section{padding:40px 0}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .hero-btns{flex-direction:column}
  .btn-gold,.btn-outline-gold{text-align:center;justify-content:center}
  .share-bar{flex-direction:column;align-items:flex-start}
  .footer-qr-row{flex-direction:column;align-items:center}
}

/* ---- 懒加载占位 ---- */
img[loading="lazy"]{background:var(--bg-card)}

/* ---- 滚动条美化 ---- */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg-dark)}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--primary-light)}

/* ---- 选中文字颜色 ---- */
::selection{background:rgba(124,58,237,0.4);color:#fff}