/* ===== 大象传媒 全站样式 ===== */
/* 基础重置 */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#e0e0e0;background:#0a0e1a;line-height:1.7;overflow-x:hidden}
a{color:#c9a44a;text-decoration:none;transition:color .3s}
a:hover{color:#f0d060}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{color:#fff;font-weight:700;line-height:1.3}

/* ===== 容器 ===== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#c9a44a;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#c9a44a,#1a3a6a);margin:10px auto 0}
.section-title p{color:#999;font-size:1rem}

/* ===== 顶部导航 ===== */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,14,26,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,164,74,.2);transition:all .3s}
.header .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.header-logo{display:flex;align-items:center;gap:10px}
.header-logo img{height:45px;width:auto}
.header-logo span{font-size:1.3rem;font-weight:700;color:#c9a44a;white-space:nowrap}
.nav-list{display:flex;gap:5px}
.nav-list a{padding:8px 14px;border-radius:6px;font-size:.9rem;color:#ccc;transition:all .3s;white-space:nowrap}
.nav-list a:hover,.nav-list a.active{color:#c9a44a;background:rgba(201,164,74,.1)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.mobile-toggle span{display:block;width:25px;height:2px;background:#c9a44a;transition:all .3s}

/* ===== 搜索框 ===== */
.search-bar{background:rgba(26,58,106,.3);padding:12px 0;border-bottom:1px solid rgba(201,164,74,.1)}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 18px;border:1px solid rgba(201,164,74,.3);border-right:none;border-radius:25px 0 0 25px;background:rgba(255,255,255,.05);color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#c9a44a}
.search-box input::placeholder{color:#666}
.search-box button{padding:10px 25px;background:linear-gradient(135deg,#c9a44a,#8b6914);border:none;border-radius:0 25px 25px 0;color:#fff;font-size:.95rem;cursor:pointer;transition:all .3s;white-space:nowrap}
.search-box button:hover{background:linear-gradient(135deg,#d4b35a,#a07a1a)}

/* ===== Banner ===== */
.hero-banner{position:relative;height:70vh;min-height:450px;overflow:hidden;margin-top:70px}
.hero-banner .bg-img{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6)}
.hero-banner .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,26,.3) 0%,rgba(10,14,26,.85) 100%)}
.hero-banner .content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:0 20px}
.hero-banner h1{font-size:3rem;color:#c9a44a;margin-bottom:15px;text-shadow:0 2px 20px rgba(201,164,74,.3)}
.hero-banner .subtitle{font-size:1.2rem;color:#ccc;max-width:700px;margin-bottom:25px}
.hero-banner .btn-group{display:flex;gap:15px;flex-wrap:wrap;justify-content:center}

/* ===== 按钮 ===== */
.btn{display:inline-block;padding:12px 30px;border-radius:25px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;border:none;text-align:center}
.btn-primary{background:linear-gradient(135deg,#c9a44a,#8b6914);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(201,164,74,.4);color:#fff}
.btn-outline{border:2px solid #c9a44a;color:#c9a44a;background:transparent}
.btn-outline:hover{background:#c9a44a;color:#0a0e1a}

/* ===== 面包屑 ===== */
.breadcrumb{padding:15px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#c9a44a}
.breadcrumb span{margin:0 8px;color:#555}

/* ===== 最新动态 ===== */
.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{display:flex;align-items:center;gap:12px;padding:14px 20px;background:#111827;border-radius:10px;border:1px solid rgba(201,164,74,.1);transition:all .3s}
.news-item:hover{border-color:#c9a44a;background:rgba(201,164,74,.05)}
.news-tag{display:inline-block;padding:3px 10px;border-radius:4px;font-size:.75rem;color:#fff;background:rgba(201,164,74,.3);white-space:nowrap}
.news-tag.hot{background:rgba(239,68,68,.6)}
.news-tag.new{background:rgba(59,130,246,.6)}
.news-text{flex:1;color:#ccc;font-size:.9rem}
.news-date{color:#666;font-size:.8rem;white-space:nowrap}

/* ===== 统计数据 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:20px;text-align:center}
.stat-item{padding:25px 15px;background:rgba(201,164,74,.05);border-radius:12px;border:1px solid rgba(201,164,74,.1)}
.stat-num{font-size:2rem;font-weight:800;color:#c9a44a;margin-bottom:5px}
.stat-label{color:#999;font-size:.85rem}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#111827;transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(201,164,74,.2)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .thumb .video-preview{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;opacity:0;transition:opacity .3s}
.video-card:hover .thumb .video-preview{opacity:1}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:60px;height:60px;background:rgba(201,164,74,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;z-index:3}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-card .play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card .duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;z-index:3}
.video-card .info{padding:15px}
.video-card .info h3{font-size:1rem;color:#fff;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .meta{display:flex;align-items:center;gap:15px;font-size:.8rem;color:#888}
.video-card .tag{display:inline-block;padding:2px 8px;background:rgba(201,164,74,.15);color:#c9a44a;border-radius:4px;font-size:.75rem;margin-top:8px}

/* ===== 模块网格 ===== */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:25px}
.module-card{background:linear-gradient(145deg,#111827,#0d1117);border:1px solid rgba(201,164,74,.15);border-radius:12px;padding:30px;text-align:center;transition:all .3s}
.module-card:hover{border-color:#c9a44a;transform:translateY(-3px);box-shadow:0 5px 25px rgba(201,164,74,.15)}
.module-card .icon{font-size:2.5rem;margin-bottom:15px}
.module-card h3{color:#c9a44a;margin-bottom:10px;font-size:1.1rem}
.module-card h4{color:#c9a44a;margin-bottom:5px;font-size:1rem}
.module-card p{color:#999;font-size:.9rem}

/* ===== 专家展示 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:30px}
.expert-card{background:#111827;border-radius:12px;overflow:hidden;border:1px solid rgba(201,164,74,.1);transition:all .3s}
.expert-card:hover{border-color:#c9a44a;box-shadow:0 5px 25px rgba(201,164,74,.15)}
.expert-card .avatar{width:100%;height:260px;object-fit:cover}
.expert-card .info{padding:20px}
.expert-card .info h3{color:#c9a44a;margin-bottom:5px}
.expert-card .info .role{color:#888;font-size:.85rem;margin-bottom:5px}
.expert-card .info .credentials{color:#c9a44a;font-size:.8rem;margin-bottom:10px;opacity:.8}
.expert-card .info p{color:#aaa;font-size:.9rem;margin-bottom:15px}
.expert-card .info .btn{padding:8px 20px;font-size:.85rem}

/* ===== 成功案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:25px}
.case-card{background:#111827;border-radius:12px;overflow:hidden;border:1px solid rgba(201,164,74,.1);transition:all .3s}
.case-card:hover{border-color:#c9a44a;box-shadow:0 5px 25px rgba(201,164,74,.15)}
.case-card img{width:100%;height:200px;object-fit:cover}
.case-card .case-info{padding:20px}
.case-card .case-info h4{color:#c9a44a;margin-bottom:10px;font-size:1.1rem}
.case-card .case-info p{color:#999;font-size:.9rem;margin-bottom:12px}
.case-stats{display:flex;gap:20px}
.case-stats span{color:#c9a44a;font-size:.85rem;background:rgba(201,164,74,.1);padding:4px 12px;border-radius:4px}

/* ===== 荣誉认证 ===== */
.honor-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px}
.honor-item{background:#111827;border:1px solid rgba(201,164,74,.1);border-radius:12px;padding:25px;text-align:center;transition:all .3s}
.honor-item:hover{border-color:#c9a44a;transform:translateY(-3px)}
.honor-icon{font-size:2.5rem;margin-bottom:10px}
.honor-item h4{color:#c9a44a;font-size:.95rem;margin-bottom:5px}
.honor-item p{color:#888;font-size:.8rem}

/* ===== 评分汇总 ===== */
.review-summary{display:flex;align-items:center;justify-content:center;gap:25px;margin-bottom:30px;padding:20px;background:rgba(201,164,74,.05);border-radius:12px;border:1px solid rgba(201,164,74,.15)}
.rating-big{font-size:3.5rem;font-weight:800;color:#c9a44a}
.rating-big span{font-size:1.5rem;color:#888}
.stars-big{color:#c9a44a;font-size:1.5rem;margin-bottom:5px}
.rating-info p{color:#999}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid rgba(201,164,74,.15);border-radius:10px;margin-bottom:12px;overflow:hidden;background:#111827}
.faq-item .question{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#e0e0e0;transition:all .3s}
.faq-item .question:hover{color:#c9a44a}
.faq-item .question .arrow{transition:transform .3s;color:#c9a44a;font-size:1.2rem}
.faq-item.active .question .arrow{transform:rotate(180deg)}
.faq-item .answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 20px}
.faq-item.active .answer{max-height:500px;padding:0 20px 18px}
.faq-item .answer p{color:#999;line-height:1.8}

/* ===== 评论 ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.review-card{background:#111827;border:1px solid rgba(201,164,74,.1);border-radius:12px;padding:25px;transition:all .3s}
.review-card:hover{border-color:#c9a44a}
.review-card .stars{color:#c9a44a;margin-bottom:10px;font-size:1.1rem}
.review-card .text{color:#ccc;font-size:.95rem;margin-bottom:15px;font-style:italic}
.review-card .author{display:flex;align-items:center;gap:10px}
.review-card .author .avatar-sm{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#c9a44a,#1a3a6a);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-card .author .name{color:#fff;font-weight:600;font-size:.9rem}
.review-card .author .date{color:#666;font-size:.8rem}

/* ===== 联系模块 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.contact-card{background:#111827;border:1px solid rgba(201,164,74,.1);border-radius:12px;padding:25px;text-align:center}
.contact-card h4{color:#c9a44a;margin-bottom:10px}
.contact-card p{color:#999;font-size:.9rem}

/* ===== 社交分享 ===== */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:.85rem;color:#fff;transition:all .3s;cursor:pointer}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823;border:1px solid #333}
.share-bilibili{background:#fb7299}

/* ===== 文章内容 ===== */
.article-content{max-width:800px;margin:0 auto;padding:20px 0}
.article-content h2{color:#c9a44a;font-size:1.5rem;margin:30px 0 15px;padding-bottom:8px;border-bottom:1px solid rgba(201,164,74,.2)}
.article-content h3{color:#c9a44a;font-size:1.2rem;margin:20px 0 10px}
.article-content p{color:#ccc;margin-bottom:15px;line-height:1.9}
.article-content .update-info{color:#888;font-size:.85rem;padding:10px 15px;background:rgba(201,164,74,.05);border-radius:8px;border-left:3px solid #c9a44a;margin-bottom:25px}

/* ===== 页脚 ===== */
.footer{background:#060a14;border-top:1px solid rgba(201,164,74,.15);padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#c9a44a;margin-bottom:15px;font-size:1rem}
.footer-col p,.footer-col a{color:#888;font-size:.9rem;display:block;margin-bottom:8px}
.footer-col a:hover{color:#c9a44a}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:15px}
.footer-logo img{height:40px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.05);color:#666;font-size:.85rem}
.footer-bottom p{margin-bottom:5px}
.footer-qr{display:flex;gap:20px;justify-content:center;margin:20px 0}
.footer-qr .qr-item{text-align:center}
.footer-qr .qr-item img{width:120px;height:120px;border-radius:8px;margin-bottom:8px}
.footer-qr .qr-item p{color:#888;font-size:.8rem}

/* ===== How-To指南 ===== */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;margin-top:30px}
.howto-step{background:#111827;border-radius:12px;padding:25px;text-align:center;border:1px solid rgba(201,164,74,.1);position:relative}
.howto-step .step-num{position:absolute;top:-15px;left:50%;transform:translateX(-50%);width:30px;height:30px;background:#c9a44a;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#0a0e1a;font-weight:700;font-size:.9rem}
.howto-step h4{color:#c9a44a;margin:10px 0}
.howto-step p{color:#999;font-size:.9rem}

/* ===== 合作Logo墙 ===== */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center;padding:30px 0}
.partner-item{width:120px;height:60px;background:rgba(255,255,255,.05);border-radius:8px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(201,164,74,.1);transition:all .3s;color:#666;font-size:.8rem}
.partner-item:hover{border-color:#c9a44a;background:rgba(201,164,74,.05)}

/* ===== 懒加载 ===== */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

/* ===== 响应式 ===== */
@media(max-width:768px){
  .header .container{padding:0 15px}
  .nav-list{position:fixed;top:70px;left:0;width:100%;background:rgba(10,14,26,.98);flex-direction:column;padding:20px;gap:5px;transform:translateY(-120%);transition:transform .3s;z-index:999}
  .nav-list.open{transform:translateY(0)}
  .nav-list a{padding:12px 15px;font-size:1rem}
  .mobile-toggle{display:flex}
  .hero-banner{height:50vh;min-height:350px}
  .hero-banner h1{font-size:2rem}
  .hero-banner .subtitle{font-size:1rem}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:15px}
  .module-grid{grid-template-columns:1fr 1fr;gap:15px}
  .expert-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .honor-grid{grid-template-columns:repeat(3,1fr)}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .news-item{flex-wrap:wrap}
  .news-date{width:100%;text-align:right}
  .review-summary{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .module-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-banner h1{font-size:1.6rem}
  .btn{padding:10px 22px;font-size:.9rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:1fr}
}