/* 新葡京品牌网站样式 - 91kouling.cc */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;line-height:1.6;color:#333;background:#f8f9fa}
a{color:#c41e3a;text-decoration:none;transition:color .3s}
a:hover{color:#8b0000}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 15px}
/* Header */
.site-header{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;padding:0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:10px 15px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:50px;width:auto}
.logo-wrap h1{font-size:1.4rem;color:#ffd700;text-shadow:1px 1px 2px rgba(0,0,0,.5)}
.logo-wrap h1 span{color:#fff;font-size:.9rem;display:block;font-weight:normal}
/* Nav */
.main-nav{background:rgba(0,0,0,.2);border-top:1px solid rgba(255,215,0,.2)}
.main-nav ul{display:flex;list-style:none;max-width:1200px;margin:0 auto;padding:0;flex-wrap:wrap;justify-content:center}
.main-nav li{position:relative}
.main-nav a{display:block;padding:12px 18px;color:#e0e0e0;font-size:.95rem;transition:all .3s;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#ffd700;border-bottom-color:#ffd700;background:rgba(255,215,0,.05)}
/* Search */
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.1);border-radius:20px;padding:4px 12px;border:1px solid rgba(255,215,0,.3)}
.search-box input{background:transparent;border:none;color:#fff;padding:6px 8px;width:180px;outline:none;font-size:.9rem}
.search-box input::placeholder{color:rgba(255,255,255,.5)}
.search-box button{background:#ffd700;border:none;color:#1a1a2e;padding:5px 12px;border-radius:15px;cursor:pointer;font-size:.85rem;font-weight:bold}
/* Hero Banner */
.hero-banner{position:relative;overflow:hidden;height:420px}
.hero-banner img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to right,rgba(0,0,0,.7) 0%,rgba(0,0,0,.3) 100%);display:flex;align-items:center;padding:0 50px}
.hero-content{color:#fff;max-width:600px}
.hero-content h2{font-size:2.2rem;margin-bottom:15px;text-shadow:2px 2px 4px rgba(0,0,0,.5)}
.hero-content p{font-size:1.1rem;margin-bottom:20px;opacity:.9}
.btn-primary{display:inline-block;background:linear-gradient(135deg,#ffd700,#ff8c00);color:#1a1a2e;padding:12px 28px;border-radius:25px;font-weight:bold;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer;font-size:1rem}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(255,215,0,.4);color:#1a1a2e}
/* Sections */
.section{padding:50px 0}
.section-title{text-align:center;margin-bottom:35px}
.section-title h2{font-size:1.8rem;color:#1a1a2e;position:relative;display:inline-block;padding-bottom:10px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#c41e3a,#ffd700)}
.section-title p{color:#666;margin-top:8px;font-size:.95rem}
/* Video Cards */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.video-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#000}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(255,215,0,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';border-left:20px solid #1a1a2e;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-info{padding:15px}
.video-info h3{font-size:1rem;margin-bottom:8px;color:#222;line-height:1.4}
.video-meta{display:flex;gap:12px;font-size:.8rem;color:#888}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tag{display:inline-block;background:#fff3cd;color:#856404;padding:2px 8px;border-radius:3px;font-size:.75rem;margin-top:8px}
/* Expert Section */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:25px}
.expert-card{background:#fff;border-radius:10px;padding:25px;text-align:center;box-shadow:0 3px 10px rgba(0,0,0,.08);transition:transform .3s}
.expert-card:hover{transform:translateY(-3px)}
.expert-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 15px;background:linear-gradient(135deg,#c41e3a,#ffd700);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;font-weight:bold}
.expert-card h4{color:#1a1a2e;margin-bottom:5px}
.expert-card .role{color:#c41e3a;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.85rem;color:#666;margin-bottom:12px}
.expert-links{display:flex;gap:8px;justify-content:center}
.expert-links a{padding:5px 12px;border:1px solid #c41e3a;border-radius:15px;font-size:.8rem;color:#c41e3a;transition:all .3s}
.expert-links a:hover{background:#c41e3a;color:#fff}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:8px;margin-bottom:12px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.faq-question{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a1a2e;transition:background .3s}
.faq-question:hover{background:#f8f9fa}
.faq-question::after{content:'+';font-size:1.4rem;color:#c41e3a;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s;color:#555;font-size:.95rem}
.faq-item.active .faq-answer{padding:0 20px 18px;max-height:500px}
/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.review-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.review-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.9rem;font-weight:bold}
.review-name{font-weight:600;color:#333}
.review-date{font-size:.8rem;color:#999}
.review-stars{color:#ffd700;margin-bottom:8px}
.review-text{font-size:.9rem;color:#555;line-height:1.6}
/* Partners */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center;padding:20px 0}
.partner-item{background:#fff;padding:15px 25px;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,.06);font-weight:bold;color:#555;font-size:.9rem}
/* Contact */
.contact-section{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:50px 0}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}
.contact-item h4{color:#ffd700;margin-bottom:10px;font-size:1.1rem}
.contact-item p{color:#ccc;font-size:.9rem;line-height:1.8}
.contact-qr{display:flex;gap:20px;margin-top:15px}
.contact-qr img{width:120px;height:120px;border-radius:5px;border:2px solid rgba(255,215,0,.3)}
/* Footer */
.site-footer{background:#0d1117;color:#aaa;padding:30px 0;text-align:center;font-size:.85rem}
.site-footer .footer-links{margin-bottom:15px}
.site-footer .footer-links a{color:#ccc;margin:0 10px;transition:color .3s}
.site-footer .footer-links a:hover{color:#ffd700}
.site-footer .copyright{color:#666}
/* Share */
.share-bar{display:flex;gap:10px;justify-content:center;margin:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:20px;font-size:.85rem;color:#fff;transition:opacity .3s}
.share-btn:hover{opacity:.8;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
/* AI Section */
.ai-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.ai-card{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:10px;padding:25px;color:#fff;text-align:center;transition:transform .3s}
.ai-card:hover{transform:translateY(-3px)}
.ai-card h4{margin-bottom:10px;font-size:1.05rem}
.ai-card p{font-size:.85rem;opacity:.9}
/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#666}
.breadcrumb a{color:#c41e3a}
.breadcrumb span{margin:0 5px;color:#999}
/* Inner page */
.page-header{background:linear-gradient(135deg,#1a1a2e,#0f3460);padding:40px 0;color:#fff;text-align:center}
.page-header h1{font-size:2rem;margin-bottom:10px}
.page-header p{opacity:.8;max-width:600px;margin:0 auto}
.content-area{padding:40px 0}
.content-main{background:#fff;border-radius:10px;padding:30px;box-shadow:0 2px 8px rgba(0,0,0,.08);margin-bottom:30px}
.content-main h2{color:#1a1a2e;margin-bottom:15px;font-size:1.4rem}
.content-main p{color:#555;line-height:1.8;margin-bottom:15px}
.content-sidebar{background:#fff;border-radius:10px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.content-sidebar h3{color:#1a1a2e;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #ffd700}
.sidebar-links a{display:block;padding:8px 0;color:#555;border-bottom:1px solid #f0f0f0;transition:color .3s}
.sidebar-links a:hover{color:#c41e3a}
/* Comments */
.comment-section{margin-top:30px}
.comment-item{background:#f8f9fa;border-radius:8px;padding:15px;margin-bottom:12px}
.comment-item .user{font-weight:600;color:#1a1a2e;margin-bottom:5px}
.comment-item .time{font-size:.8rem;color:#999;margin-bottom:8px}
.comment-item .text{color:#555;font-size:.9rem}
.comment-reply{margin-left:20px;margin-top:8px;padding:10px;background:#fff;border-radius:5px;border-left:3px solid #ffd700}
.comment-reply .admin{color:#c41e3a;font-weight:600}
/* Responsive */
@media(max-width:768px){
.header-top{flex-direction:column;gap:10px}
.main-nav ul{justify-content:flex-start;overflow-x:auto}
.main-nav a{padding:10px 12px;font-size:.85rem;white-space:nowrap}
.hero-banner{height:280px}
.hero-overlay{padding:0 20px}
.hero-content h2{font-size:1.5rem}
.video-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.search-box input{width:120px}
}
/* Lazy load */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}
/* How-to guide */
.howto-steps{counter-reset:step}
.howto-step{display:flex;gap:20px;margin-bottom:25px;align-items:flex-start}
.howto-step::before{counter-increment:step;content:counter(step);background:linear-gradient(135deg,#c41e3a,#ffd700);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:bold;flex-shrink:0}
.howto-step-content h4{color:#1a1a2e;margin-bottom:5px}
.howto-step-content p{color:#666;font-size:.9rem}
/* Tags */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}
.tag{background:#e8f4fd;color:#0066cc;padding:4px 12px;border-radius:15px;font-size:.8rem}
/* Inner page layouts */
.layout-grid-2{display:grid;grid-template-columns:2fr 1fr;gap:30px}
.layout-full{max-width:900px;margin:0 auto}
.stats-bar{display:flex;gap:20px;flex-wrap:wrap;margin:20px 0}
.stat-item{background:#fff;padding:15px 20px;border-radius:8px;text-align:center;box-shadow:0 2px 6px rgba(0,0,0,.06);flex:1;min-width:120px}
.stat-item .num{font-size:1.5rem;font-weight:bold;color:#c41e3a}
.stat-item .label{font-size:.8rem;color:#666;margin-top:3px}
@media(max-width:768px){
.layout-grid-2{grid-template-columns:1fr}
}