/* 国产 - 原创样式表 */
/* 配色：甜蜜粉红#E8456B + 深紫#6C2BD9，深夜紫黑背景#0F0A1A */

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:#0F0A1A;color:#F5F0FF;line-height:1.7;overflow-x:hidden}
a{color:#FF6B9D;text-decoration:none;transition:color .3s}
a:hover{color:#E8456B}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.top-nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,10,26,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(232,69,107,.15);padding:0 30px;transition:all .3s}
.top-nav .nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1200px;margin:0 auto}
.top-nav .brand{display:flex;align-items:center;gap:10px}
.top-nav .brand img{height:38px;width:38px;border-radius:8px}
.top-nav .brand span{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,#E8456B,#6C2BD9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:6px;list-style:none}
.nav-links li a{padding:8px 16px;border-radius:20px;font-size:.9rem;color:#B8A9D4;transition:all .3s}
.nav-links li a:hover,.nav-links li a.active{background:linear-gradient(135deg,#E8456B,#6C2BD9);color:#fff}

/* 搜索框 */
.search-bar{position:relative;margin-left:16px}
.search-bar input{width:200px;padding:7px 36px 7px 14px;border-radius:20px;border:1px solid rgba(232,69,107,.3);background:rgba(26,18,48,.8);color:#F5F0FF;font-size:.85rem;outline:none;transition:all .3s}
.search-bar input:focus{border-color:#E8456B;width:260px;box-shadow:0 0 12px rgba(232,69,107,.2)}
.search-bar button{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:none;border:none;color:#E8456B;cursor:pointer;font-size:1rem;padding:4px 8px}

/* Banner */
.hero-banner{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;text-align:center;margin-top:64px;overflow:hidden}
.hero-banner .banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.5)}
.hero-banner .banner-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,10,26,.3) 0%,rgba(15,10,26,.85) 100%)}
.hero-banner .banner-content{position:relative;z-index:2;padding:40px 20px}
.hero-banner h1{font-size:2.8rem;font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,#FF6B9D,#E8456B,#6C2BD9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none}
.hero-banner .subtitle{font-size:1.15rem;color:#B8A9D4;margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-banner .cta-btn{display:inline-block;padding:14px 40px;background:linear-gradient(135deg,#E8456B,#6C2BD9);color:#fff;border-radius:30px;font-size:1rem;font-weight:600;transition:all .3s;box-shadow:0 4px 20px rgba(232,69,107,.4)}
.hero-banner .cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(232,69,107,.6);color:#fff}

/* 通用区块 */
.section{padding:60px 0}
.section-title{font-size:1.8rem;font-weight:700;text-align:center;margin-bottom:12px;background:linear-gradient(135deg,#FF6B9D,#6C2BD9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.section-desc{text-align:center;color:#B8A9D4;margin-bottom:40px;font-size:.95rem}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#1A1230;border-radius:14px;overflow:hidden;transition:all .3s;border:1px solid rgba(108,43,217,.15);cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(232,69,107,.2);border-color:rgba(232,69,107,.3)}
.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 .4s}
.video-card:hover .thumb img{transform:scale(1.08)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;background:rgba(232,69,107,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .3s}
.video-card:hover .play-btn{opacity:1}
.video-card .play-btn::after{content:'';width:0;height:0;border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.video-card .duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-card .card-info{padding:14px 16px}
.video-card .card-title{font-size:.95rem;font-weight:600;color:#F5F0FF;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;justify-content:space-between;font-size:.8rem;color:#8B7BAD}
.video-card .card-meta .views::before{content:'▶ '}
.video-card .card-meta .likes::before{content:'♥ '}
.video-card .tag{display:inline-block;padding:2px 10px;border-radius:10px;font-size:.7rem;background:rgba(232,69,107,.15);color:#FF6B9D;margin-top:6px}

/* 横向滚动 */
.scroll-row{display:flex;gap:20px;overflow-x:auto;padding-bottom:16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.scroll-row::-webkit-scrollbar{height:4px}
.scroll-row::-webkit-scrollbar-track{background:rgba(26,18,48,.5)}
.scroll-row::-webkit-scrollbar-thumb{background:linear-gradient(90deg,#E8456B,#6C2BD9);border-radius:2px}
.scroll-row .video-card{min-width:300px;flex-shrink:0;scroll-snap-align:start}

/* 影视传媒 - 3列网格 */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.media-item{background:linear-gradient(145deg,#1A1230,#150E28);border-radius:16px;padding:28px 24px;text-align:center;border:1px solid rgba(108,43,217,.12);transition:all .3s}
.media-item:hover{border-color:#E8456B;transform:translateY(-4px);box-shadow:0 8px 28px rgba(232,69,107,.15)}
.media-item .icon{font-size:2.4rem;margin-bottom:14px}
.media-item h4{font-size:1.05rem;color:#F5F0FF;margin-bottom:8px}
.media-item p{font-size:.85rem;color:#8B7BAD}

/* AI赋能 - 左右交替 */
.ai-feature{display:flex;align-items:center;gap:40px;margin-bottom:40px;padding:30px;background:#1A1230;border-radius:16px;border:1px solid rgba(108,43,217,.12)}
.ai-feature:nth-child(even){flex-direction:row-reverse}
.ai-feature .ai-img{flex:0 0 45%;border-radius:12px;overflow:hidden}
.ai-feature .ai-img img{width:100%;border-radius:12px}
.ai-feature .ai-text{flex:1}
.ai-feature .ai-text h4{font-size:1.2rem;color:#FF6B9D;margin-bottom:12px}
.ai-feature .ai-text p{color:#B8A9D4;font-size:.9rem}

/* 社区功能卡片 */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.community-card{background:linear-gradient(145deg,rgba(232,69,107,.08),rgba(108,43,217,.08));border:1px solid rgba(232,69,107,.12);border-radius:16px;padding:24px;text-align:center;transition:all .3s}
.community-card:hover{background:linear-gradient(145deg,rgba(232,69,107,.15),rgba(108,43,217,.15));transform:scale(1.03)}
.community-card .cc-icon{font-size:2rem;margin-bottom:10px}
.community-card h5{font-size:1rem;color:#F5F0FF;margin-bottom:6px}
.community-card p{font-size:.82rem;color:#8B7BAD}

/* 专家展示 */
.expert-scroll{display:flex;gap:24px;overflow-x:auto;padding-bottom:16px}
.expert-card{min-width:260px;background:#1A1230;border-radius:16px;padding:24px;text-align:center;border:1px solid rgba(108,43,217,.12);flex-shrink:0}
.expert-card .avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,#E8456B,#6C2BD9);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff}
.expert-card h5{font-size:1rem;color:#F5F0FF;margin-bottom:4px}
.expert-card .role{font-size:.8rem;color:#E8456B;margin-bottom:10px}
.expert-card p{font-size:.82rem;color:#8B7BAD;margin-bottom:14px}
.expert-card .expert-btn{display:inline-block;padding:6px 18px;border:1px solid #E8456B;color:#E8456B;border-radius:20px;font-size:.8rem;transition:all .3s}
.expert-card .expert-btn:hover{background:#E8456B;color:#fff}

/* FAQ手风琴 */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#1A1230;border-radius:12px;margin-bottom:12px;border:1px solid rgba(108,43,217,.12);overflow:hidden}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#F5F0FF;transition:all .3s}
.faq-question:hover{color:#FF6B9D}
.faq-question::after{content:'+';font-size:1.4rem;color:#E8456B;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer p{padding:0 24px 18px;color:#B8A9D4;font-size:.9rem}

/* 用户评论 */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.review-card{background:#1A1230;border-radius:14px;padding:24px;border:1px solid rgba(108,43,217,.12)}
.review-card .stars{color:#FFD700;margin-bottom:10px;font-size:1rem}
.review-card .review-text{font-size:.9rem;color:#B8A9D4;margin-bottom:14px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .r-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#E8456B,#6C2BD9);display:flex;align-items:center;justify-content:center;font-size:.85rem;color:#fff}
.review-card .reviewer .r-name{font-size:.85rem;color:#F5F0FF}
.review-card .reviewer .r-date{font-size:.75rem;color:#8B7BAD}

/* 合作品牌墙 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-logo{width:120px;height:60px;background:rgba(26,18,48,.8);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#8B7BAD;font-size:.85rem;border:1px solid rgba(108,43,217,.1);transition:all .3s}
.brand-wall .brand-logo:hover{border-color:#E8456B;color:#FF6B9D}

/* 联系我们 */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{background:#1A1230;border-radius:16px;padding:30px;border:1px solid rgba(108,43,217,.12)}
.contact-info h4{color:#FF6B9D;margin-bottom:16px;font-size:1.1rem}
.contact-info .info-item{margin-bottom:12px;font-size:.9rem;color:#B8A9D4}
.contact-info .info-item strong{color:#F5F0FF}
.contact-qr{display:flex;gap:20px;margin-top:20px}
.contact-qr .qr-box{text-align:center}
.contact-qr .qr-box .qr-placeholder{width:120px;height:120px;background:rgba(232,69,107,.08);border:1px dashed rgba(232,69,107,.3);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#8B7BAD;font-size:.8rem}
.contact-qr .qr-box p{font-size:.8rem;color:#8B7BAD;margin-top:6px}

/* 社交分享 */
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;font-size:.85rem;color:#fff;transition:all .3s}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00A1D6}

/* 页脚 */
.site-footer{background:#0A0714;border-top:1px solid rgba(108,43,217,.15);padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:30px}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .footer-logo img{height:36px;width:36px;border-radius:8px}
.footer-brand .footer-logo span{font-size:1.2rem;font-weight:700;background:linear-gradient(135deg,#E8456B,#6C2BD9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.footer-brand .footer-desc{font-size:.85rem;color:#8B7BAD;line-height:1.8}
.footer-col h5{color:#F5F0FF;font-size:1rem;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#8B7BAD;font-size:.85rem}
.footer-col ul li a:hover{color:#FF6B9D}
.footer-bottom{border-top:1px solid rgba(108,43,217,.1);padding-top:20px;text-align:center;font-size:.8rem;color:#5A4D75}
.footer-bottom .update-time{margin-top:6px;color:#8B7BAD}

/* 面包屑 */
.breadcrumb{padding:16px 0;font-size:.85rem}
.breadcrumb a{color:#8B7BAD}
.breadcrumb a:hover{color:#FF6B9D}
.breadcrumb span{color:#5A4D75;margin:0 8px}
.breadcrumb .current{color:#E8456B}

/* 播放页 */
.player-wrap{background:#000;border-radius:14px;overflow:hidden;margin-bottom:24px}
.player-wrap video{width:100%;max-height:600px;display:block}
.play-info{padding:20px 0}
.play-info h2{font-size:1.4rem;color:#F5F0FF;margin-bottom:10px}
.play-info .play-meta{display:flex;gap:20px;font-size:.85rem;color:#8B7BAD;margin-bottom:16px}
.play-info .play-desc{font-size:.9rem;color:#B8A9D4;line-height:1.8}

/* How-to指南 */
.howto-steps{max-width:700px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:24px;align-items:flex-start}
.howto-step .step-num{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#E8456B,#6C2BD9);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;color:#fff}
.howto-step .step-content h5{font-size:1rem;color:#F5F0FF;margin-bottom:4px}
.howto-step .step-content p{font-size:.88rem;color:#B8A9D4}

/* 移动端适配 */
@media(max-width:768px){
  .top-nav .nav-inner{padding:0 12px}
  .nav-links{display:none}
  .search-bar input{width:140px}
  .search-bar input:focus{width:180px}
  .hero-banner{min-height:400px}
  .hero-banner h1{font-size:1.8rem}
  .media-grid{grid-template-columns:1fr}
  .ai-feature{flex-direction:column!important;gap:20px}
  .ai-feature .ai-img{flex:none;width:100%}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
  .section{padding:40px 0}
  .section-title{font-size:1.4rem}
  .mobile-menu-btn{display:block;background:none;border:none;color:#E8456B;font-size:1.5rem;cursor:pointer}
}
@media(min-width:769px){
  .mobile-menu-btn{display:none}
}

/* 懒加载 */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}