/* 太阳城品牌网站全局样式 - msncw.cn */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;line-height:1.6;background:#f8f9fa}
a{text-decoration:none;color:inherit;transition:color .2s}
a:hover{color:#c8102e}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 15px}

/* Header */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.header-inner{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:45px;width:auto}
.logo-wrap h1{color:#ffd700;font-size:22px;font-weight:700}
.logo-wrap h1 span{color:#fff;font-size:14px;display:block;font-weight:400}

/* Navigation */
.main-nav{background:#16213e}
.main-nav ul{display:flex;justify-content:center;flex-wrap:wrap;max-width:1200px;margin:0 auto;padding:0}
.main-nav li{position:relative}
.main-nav a{display:block;padding:12px 20px;color:#e0e0e0;font-size:15px;transition:all .2s}
.main-nav a:hover,.main-nav a.active{color:#ffd700;background:rgba(255,215,0,.08)}

/* Search Bar */
.search-bar{background:#0f3460;padding:10px 0}
.search-bar form{display:flex;max-width:600px;margin:0 auto;padding:0 15px}
.search-bar input{flex:1;padding:10px 15px;border:2px solid #ffd700;border-right:none;border-radius:4px 0 0 4px;font-size:14px;outline:none;background:#fff}
.search-bar button{padding:10px 25px;background:#c8102e;color:#fff;border:2px solid #c8102e;border-radius:0 4px 4px 0;cursor:pointer;font-size:14px;font-weight:600;transition:background .2s}
.search-bar button:hover{background:#a00d24}

/* Hero Banner */
.hero-banner{position:relative;overflow:hidden;max-height:500px}
.hero-banner img{width:100%;height:auto;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to right,rgba(26,26,46,.85) 0%,rgba(26,26,46,.4) 100%);display:flex;align-items:center}
.hero-content{max-width:1200px;margin:0 auto;padding:30px;color:#fff}
.hero-content h2{font-size:36px;color:#ffd700;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.5)}
.hero-content p{font-size:18px;max-width:600px;margin-bottom:20px;line-height:1.8}
.hero-content .btn{display:inline-block;padding:12px 30px;background:#c8102e;color:#fff;border-radius:4px;font-weight:600;transition:transform .2s,background .2s}
.hero-content .btn:hover{background:#a00d24;transform:translateY(-2px)}

/* Section Titles */
.section{padding:40px 0}
.section-title{text-align:center;margin-bottom:30px}
.section-title h2{font-size:28px;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:#c8102e}
.section-title p{color:#666;margin-top:10px;font-size:15px}

/* 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 12px rgba(0,0,0,.08);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%;background:#000;overflow:hidden}
.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(200,16,46,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:15px}
.video-info h3{font-size:16px;color:#1a1a2e;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-meta{display:flex;gap:15px;color:#999;font-size:13px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#fff3cd;color:#856404;padding:2px 8px;border-radius:3px;font-size:12px;margin-top:8px}

/* Expert Section */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.expert-card{background:#fff;border-radius:8px;padding:25px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.08);transition:transform .3s}
.expert-card:hover{transform:translateY(-3px)}
.expert-avatar{width:80px;height:80px;border-radius:50%;background:#e0e0e0;margin:0 auto 15px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#666;border:3px solid #ffd700}
.expert-card h4{font-size:18px;color:#1a1a2e;margin-bottom:5px}
.expert-card .title{color:#c8102e;font-size:14px;margin-bottom:10px}
.expert-card p{font-size:13px;color:#666;margin-bottom:15px}
.expert-btns{display:flex;gap:10px;justify-content:center}
.expert-btns a{padding:6px 15px;border-radius:4px;font-size:13px;border:1px solid #c8102e;color:#c8102e;transition:all .2s}
.expert-btns a:hover{background:#c8102e;color:#fff}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:8px;margin-bottom:12px;box-shadow:0 1px 6px rgba(0,0,0,.06);overflow:hidden}
.faq-q{padding:18px 20px;font-weight:600;color:#1a1a2e;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .2s}
.faq-q:hover{background:#f8f9fa}
.faq-q::after{content:'+';font-size:20px;color:#c8102e;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;color:#555;font-size:14px;line-height:1.8}
.faq-item.active .faq-a{max-height:200px;padding:0 20px 18px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.review-card .stars{color:#ffd700;margin-bottom:10px;font-size:16px}
.review-card p{font-size:14px;color:#555;line-height:1.7;margin-bottom:12px}
.review-card .author{font-size:13px;color:#999;font-style:italic}

/* Partners */
.partner-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-logos .partner-item{width:120px;height:60px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 6px rgba(0,0,0,.06);padding:10px;font-size:14px;color:#666;font-weight:600}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.contact-card{background:#fff;border-radius:8px;padding:25px;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.contact-card h4{font-size:18px;color:#1a1a2e;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #ffd700}
.contact-card p{font-size:14px;color:#555;margin-bottom:8px}
.contact-card .label{font-weight:600;color:#333}

/* Footer */
.site-footer{background:#1a1a2e;color:#ccc;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#ffd700;font-size:16px;margin-bottom:15px}
.footer-col p,.footer-col a{font-size:13px;color:#aaa;display:block;margin-bottom:8px}
.footer-col a:hover{color:#ffd700}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:4px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#888}
.footer-bottom a{color:#ffd700}

/* Share Buttons */
.share-bar{display:flex;gap:10px;justify-content:center;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:4px;font-size:13px;color:#fff;transition:opacity .2s}
.share-btn:hover{opacity:.85;color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#111}
.share-btn.bilibili{background:#00a1d6}

/* Inner Page */
.page-banner{background:#1a1a2e;padding:40px 0;text-align:center}
.page-banner h2{color:#ffd700;font-size:30px;margin-bottom:10px}
.page-banner p{color:#ccc;font-size:15px}
.breadcrumb{padding:15px 0;font-size:13px;color:#999}
.breadcrumb a{color:#c8102e}
.page-content{padding:30px 0}
.page-content article{background:#fff;border-radius:8px;padding:30px;box-shadow:0 2px 12px rgba(0,0,0,.08);line-height:1.8;font-size:15px;color:#444}
.page-content article h3{font-size:22px;color:#1a1a2e;margin-bottom:15px}
.page-content article p{margin-bottom:15px}

/* AI Section */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.ai-card{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);border-radius:8px;padding:25px;color:#fff}
.ai-card h4{color:#ffd700;font-size:18px;margin-bottom:10px}
.ai-card p{font-size:14px;color:#ccc;line-height:1.7}

/* Community */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px}
.community-item{background:#fff;border-radius:8px;padding:20px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s}
.community-item:hover{transform:translateY(-3px)}
.community-item .icon{font-size:32px;margin-bottom:10px}
.community-item h5{font-size:15px;color:#1a1a2e;margin-bottom:5px}
.community-item p{font-size:13px;color:#666}

/* Responsive */
@media(max-width:768px){
.header-inner{flex-direction:column;gap:10px}
.main-nav ul{flex-direction:column}
.main-nav a{padding:10px 15px;text-align:center}
.hero-content h2{font-size:24px}
.hero-content p{font-size:15px}
.video-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.section{padding:25px 0}
}
@media(max-width:480px){
.logo-wrap h1{font-size:18px}
.hero-content h2{font-size:20px}
.share-bar{flex-wrap:wrap}
}