/* 捷克街头 - 主样式文件 | 117652.cn */
:root {
  --primary: #e84393;
  --primary-dark: #c0306e;
  --primary-light: #ff6eb4;
  --secondary: #ff8c42;
  --accent: #7c3aed;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --dark3: #0f3460;
  --text: #2d2d2d;
  --text-light: #666;
  --text-muted: #999;
  --bg: #fff;
  --bg-light: #fafafa;
  --bg-section: #f5f5f8;
  --border: #e8e8e8;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 32px rgba(232,67,147,0.18);
  --transition: all 0.3s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#f1f1f1}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}

/* ===== HEADER ===== */
#site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(0,0,0,0.06)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:20px;height:64px}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.site-logo img{width:36px;height:36px;object-fit:contain}
.site-logo .logo-text{font-size:22px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:1px}
.site-logo .logo-sub{font-size:11px;color:var(--text-muted);display:block;line-height:1}

/* ===== NAV ===== */
.main-nav{flex:1;display:flex;align-items:center;gap:4px}
.main-nav a{padding:6px 14px;border-radius:20px;font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;transition:var(--transition)}
.main-nav a:hover,.main-nav a.active{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}

/* ===== SEARCH BAR ===== */
.header-search{display:flex;align-items:center;gap:8px;background:var(--bg-section);border-radius:24px;padding:6px 16px;border:1px solid var(--border);transition:var(--transition);min-width:200px}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(232,67,147,0.1)}
.header-search input{border:none;background:none;outline:none;font-size:14px;color:var(--text);width:100%}
.header-search input::placeholder{color:var(--text-muted)}
.header-search button{color:var(--primary);font-size:16px;padding:0;flex-shrink:0}

/* ===== SEARCH DROPDOWN ===== */
.search-wrap{position:relative}
.search-suggestions{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow);border:1px solid var(--border);display:none;z-index:100}
.search-suggestions.show{display:block}
.search-suggestions li{padding:10px 16px;font-size:13px;color:var(--text);cursor:pointer;transition:var(--transition)}
.search-suggestions li:hover{background:var(--bg-section);color:var(--primary)}

/* ===== HERO BANNER ===== */
.hero-section{position:relative;overflow:hidden;background:var(--dark);min-height:520px;display:flex;align-items:center}
.hero-slider{position:relative;width:100%;height:520px}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 0.8s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;opacity:0.55}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,26,46,0.85) 0%,rgba(232,67,147,0.2) 100%)}
.hero-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:0 60px;max-width:700px}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(232,67,147,0.2);border:1px solid rgba(232,67,147,0.4);color:var(--primary-light);padding:4px 14px;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:16px;width:fit-content}
.hero-badge::before{content:'';width:6px;height:6px;background:var(--primary-light);border-radius:50%;animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.3}}
.hero-title{font-size:clamp(28px,4vw,52px);font-weight:900;color:#fff;line-height:1.2;margin-bottom:16px}
.hero-title span{background:linear-gradient(135deg,var(--primary-light),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:16px;color:rgba(255,255,255,0.8);margin-bottom:28px;max-width:500px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:12px 28px;border-radius:28px;font-size:15px;font-weight:600;box-shadow:0 4px 20px rgba(232,67,147,0.35);transition:var(--transition)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(232,67,147,0.45);color:#fff}
.btn-outline{display:inline-flex;align-items:center;gap:8px;border:2px solid rgba(255,255,255,0.5);color:#fff;padding:12px 28px;border-radius:28px;font-size:15px;font-weight:600;transition:var(--transition)}
.btn-outline:hover{background:rgba(255,255,255,0.15);border-color:#fff;color:#fff}
.hero-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:var(--transition)}
.hero-dot.active{background:var(--primary);width:24px;border-radius:4px}

/* ===== SECTION COMMON ===== */
.section{padding:64px 0}
.section-alt{background:var(--bg-section)}
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;background:linear-gradient(135deg,rgba(232,67,147,0.1),rgba(255,140,66,0.1));color:var(--primary);font-size:12px;font-weight:700;padding:4px 14px;border-radius:20px;margin-bottom:12px;letter-spacing:1px;text-transform:uppercase}
.section-title{font-size:clamp(22px,3vw,36px);font-weight:800;color:var(--dark);margin-bottom:12px}
.section-title span{color:var(--primary)}
.section-desc{font-size:15px;color:var(--text-light);max-width:560px;margin:0 auto}

/* ===== VIDEO CARDS ===== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark)}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition);background:rgba(0,0,0,0.3)}
.video-card:hover .video-play-btn{opacity:1}
.play-icon{width:56px;height:56px;background:rgba(255,255,255,0.95);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(0,0,0,0.3);transform:scale(0.8);transition:transform 0.3s ease}
.video-card:hover .play-icon{transform:scale(1)}
.play-icon::after{content:'';border-left:20px solid var(--primary);border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px}
.video-tag{position:absolute;top:8px;left:8px;background:var(--primary);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600}
.video-info{padding:14px}
.video-title{font-size:14px;font-weight:600;color:var(--dark);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-muted)}
.video-stats{display:flex;gap:12px}
.video-stats span{display:flex;align-items:center;gap:3px}
.video-author{display:flex;align-items:center;gap:6px}
.video-author img{width:20px;height:20px;border-radius:50%;object-fit:cover}

/* ===== STATS BAR ===== */
.stats-bar{background:linear-gradient(135deg,var(--dark),var(--dark3));padding:40px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item .stat-num{font-size:clamp(28px,3vw,44px);font-weight:900;background:linear-gradient(135deg,var(--primary-light),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-item .stat-label{font-size:13px;color:rgba(255,255,255,0.7);margin-top:4px}

/* ===== CATEGORY TABS ===== */
.category-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.cat-tab{padding:8px 20px;border-radius:24px;font-size:13px;font-weight:600;border:1.5px solid var(--border);color:var(--text-light);cursor:pointer;transition:var(--transition)}
.cat-tab:hover,.cat-tab.active{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(232,67,147,0.25)}

/* ===== EXPERTS ===== */
.experts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);text-align:center}
.expert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.expert-avatar{width:100%;aspect-ratio:1;overflow:hidden}
.expert-avatar img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.expert-card:hover .expert-avatar img{transform:scale(1.05)}
.expert-body{padding:20px}
.expert-name{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:4px}
.expert-role{font-size:12px;color:var(--primary);font-weight:600;margin-bottom:8px}
.expert-desc{font-size:13px;color:var(--text-light);line-height:1.6;margin-bottom:12px}
.expert-awards{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;margin-bottom:14px}
.award-tag{font-size:11px;background:rgba(232,67,147,0.08);color:var(--primary);padding:2px 8px;border-radius:10px}
.expert-btns{display:flex;gap:8px;justify-content:center}
.btn-sm{padding:6px 16px;border-radius:16px;font-size:12px;font-weight:600;transition:var(--transition)}
.btn-sm-primary{background:var(--primary);color:#fff}
.btn-sm-primary:hover{background:var(--primary-dark);color:#fff}
.btn-sm-outline{border:1.5px solid var(--primary);color:var(--primary)}
.btn-sm-outline:hover{background:var(--primary);color:#fff}

/* ===== REVIEWS ===== */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.review-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border-left:4px solid var(--primary);transition:var(--transition)}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.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(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0}
.review-name{font-size:14px;font-weight:600;color:var(--dark)}
.review-date{font-size:12px;color:var(--text-muted)}
.review-stars{color:#f59e0b;font-size:14px;margin-bottom:10px}
.review-text{font-size:14px;color:var(--text-light);line-height:1.7}
.review-tag{display:inline-block;font-size:11px;background:rgba(232,67,147,0.08);color:var(--primary);padding:2px 8px;border-radius:10px;margin-top:10px}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius-sm);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden}
.faq-question{padding:18px 24px;font-size:15px;font-weight:600;color:var(--dark);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question.open{color:var(--primary)}
.faq-icon{width:24px;height:24px;border-radius:50%;background:var(--bg-section);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);font-size:16px;color:var(--primary)}
.faq-question.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease}
.faq-answer.open{max-height:300px}
.faq-answer-inner{padding:0 24px 18px;font-size:14px;color:var(--text-light);line-height:1.8}

/* ===== PARTNER LOGOS ===== */
.partners-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.partner-logo{background:#fff;border-radius:var(--radius-sm);padding:16px 24px;box-shadow:var(--shadow);font-size:14px;font-weight:700;color:var(--text-light);transition:var(--transition);border:1px solid var(--border)}
.partner-logo:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}

/* ===== HOW TO JOIN ===== */
.join-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:24px}
.join-step{text-align:center;padding:28px 20px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
.step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.step-title{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:8px}
.step-desc{font-size:13px;color:var(--text-light)}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.contact-title{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:20px}
.contact-item{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.contact-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,rgba(232,67,147,0.1),rgba(255,140,66,0.1));display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-detail .label{font-size:12px;color:var(--text-muted);margin-bottom:2px}
.contact-detail .value{font-size:14px;color:var(--dark);font-weight:500}
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;object-fit:contain;margin:0 auto 8px;border-radius:var(--radius-sm);border:1px solid var(--border)}
.qr-label{font-size:12px;color:var(--text-muted)}

/* ===== SOCIAL SHARE ===== */
.social-share{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:13px;font-weight:600;transition:var(--transition);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#000}
.share-bilibili{background:#00a1d6}
.share-btn:hover{opacity:0.85;transform:translateY(-2px);color:#fff}

/* ===== AI SECTION ===== */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.ai-card{background:#fff;border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);border-top:3px solid var(--primary);transition:var(--transition)}
.ai-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.ai-icon{font-size:36px;margin-bottom:16px}
.ai-title{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.ai-desc{font-size:13px;color:var(--text-light);line-height:1.7}

/* ===== COMMUNITY ===== */
.community-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.comm-card{background:#fff;border-radius:var(--radius);padding:24px 20px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.comm-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.comm-icon{font-size:32px;margin-bottom:12px}
.comm-title{font-size:14px;font-weight:700;color:var(--dark);margin-bottom:6px}
.comm-desc{font-size:12px;color:var(--text-muted)}

/* ===== FOOTER ===== */
#site-footer{background:var(--dark);color:rgba(255,255,255,0.8);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand .logo-wrap{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-wrap img{width:40px;height:40px;object-fit:contain}
.footer-brand .brand-name{font-size:20px;font-weight:800;background:linear-gradient(135deg,var(--primary-light),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,0.6);margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;font-size:14px;transition:var(--transition)}
.footer-social a:hover{background:var(--primary)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,0.1)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:13px;color:rgba(255,255,255,0.6);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,0.4)}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:12px;color:rgba(255,255,255,0.4);transition:var(--transition)}
.footer-links a:hover{color:var(--primary-light)}
.update-time{font-size:12px;color:rgba(255,255,255,0.35)}

/* ===== BREADCRUMB ===== */
.breadcrumb{background:var(--bg-section);padding:12px 0;border-bottom:1px solid var(--border)}
.breadcrumb-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.breadcrumb-inner a{color:var(--text-muted);transition:var(--transition)}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-inner .sep{color:var(--border)}
.breadcrumb-inner .current{color:var(--text)}

/* ===== PAGE HERO ===== */
.page-hero{background:linear-gradient(135deg,var(--dark),var(--dark3));padding:60px 0;text-align:center}
.page-hero h1{font-size:clamp(24px,3vw,40px);font-weight:900;color:#fff;margin-bottom:12px}
.page-hero h1 span{color:var(--primary-light)}
.page-hero p{font-size:15px;color:rgba(255,255,255,0.7);max-width:560px;margin:0 auto}

/* ===== INNER PAGE CONTENT ===== */
.inner-content{padding:60px 0}
.content-grid{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.main-content{}
.sidebar{}
.sidebar-widget{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}
.sidebar-widget h3{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.hot-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.hot-list li:last-child{border-bottom:none}
.hot-num{width:22px;height:22px;border-radius:50%;background:var(--bg-section);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--text-muted);flex-shrink:0}
.hot-list li:nth-child(1) .hot-num,.hot-list li:nth-child(2) .hot-num,.hot-list li:nth-child(3) .hot-num{background:var(--primary);color:#fff}
.hot-title{font-size:13px;color:var(--text);line-height:1.5}
.hot-title:hover{color:var(--primary)}

/* ===== ARTICLE CARD ===== */
.article-list{display:grid;gap:20px}
.article-card{display:flex;gap:16px;background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:var(--transition)}
.article-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.article-thumb{width:140px;height:90px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0}
.article-thumb img{width:100%;height:100%;object-fit:cover}
.article-body{}
.article-cat{font-size:11px;font-weight:700;color:var(--primary);margin-bottom:6px;text-transform:uppercase;letter-spacing:0.5px}
.article-title{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:8px;line-height:1.5}
.article-title:hover{color:var(--primary)}
.article-excerpt{font-size:13px;color:var(--text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-footer{display:flex;gap:12px;margin-top:10px;font-size:12px;color:var(--text-muted)}

/* ===== TAGS ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;background:var(--bg-section);color:var(--text-light);transition:var(--transition);border:1px solid var(--border)}
.tag:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ===== LOADING / LAZY ===== */
img[data-src]{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ===== MOBILE RESPONSIVE ===== */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .content-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-inner{gap:12px}
  .main-nav{display:none;position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:0 8px 24px rgba(0,0,0,0.1);border-top:1px solid var(--border);z-index:999}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 16px;border-radius:var(--radius-sm);width:100%}
  .nav-toggle{display:flex}
  .header-search{min-width:120px}
  .hero-content{padding:0 24px}
  .hero-slider,.hero-section{min-height:380px}
  .hero-slider{height:380px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}
@media(max-width:480px){
  .section{padding:40px 0}
  .hero-btns{flex-direction:column}
  .btn-primary,.btn-outline{width:100%;justify-content:center}
  .stats-grid{grid-template-columns:1fr 1fr}
  .experts-grid{grid-template-columns:1fr 1fr}
  .reviews-grid{grid-template-columns:1fr}
}

/* ===== UTILITIES ===== */
.text-center{text-align:center}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mt-32{margin-top:32px}
.mb-8{margin-bottom:8px}
.mb-16{margin-bottom:16px}
.mb-24{margin-bottom:24px}
.d-flex{display:flex}
.align-center{align-items:center}
.justify-center{justify-content:center}
.gap-8{gap:8px}
.gap-16{gap:16px}
.fw-bold{font-weight:700}
.text-primary{color:var(--primary)}
.text-muted{color:var(--text-muted)}
.rounded{border-radius:var(--radius)}
.shadow{box-shadow:var(--shadow)}
.w-full{width:100%}
.overflow-hidden{overflow:hidden}