/* ========================================
    影视传媒 - 原创样式表
   配色：玫瑰金 #D4956A + 深海蓝 #1B2A4A + 暖白 #FAF5F0
   ======================================== */
*{margin:0;padding:0;box-sizing:border-box}
:root{--rose:#D4956A;--rose-light:#E8B896;--navy:#1B2A4A;--navy-dark:#0F1B33;--navy-light:#2A3F6A;--cream:#FAF5F0;--text:#2C2C2C;--text-light:#6B6B6B;--gold:#C9A96E;--shadow:0 4px 20px rgba(27,42,74,0.12);--radius:12px}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;color:var(--text);background:var(--cream);line-height:1.7}
a{color:var(--rose);text-decoration:none;transition:color .3s}
a:hover{color:var(--navy)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 干扰标签隐藏 */
.upTqv5d{display:none!important;visibility:hidden;height:0;overflow:hidden;position:absolute;left:-9999px}

/* ===== 导航栏 ===== */
.site-nav{background:var(--navy-dark);position:sticky;top:0;z-index:1000;border-bottom:2px solid var(--rose)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 20px;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:42px;width:42px;border-radius:50%;object-fit:cover}
.nav-logo span{color:var(--rose);font-size:1.3rem;font-weight:700;letter-spacing:1px}
.nav-links{display:flex;gap:6px;list-style:none;align-items:center}
.nav-links li{position:relative}
.nav-links a{color:#e0d6cc;padding:8px 14px;border-radius:6px;font-size:.9rem;transition:all .3s;display:block}
.nav-links a:hover,.nav-links a.active{color:var(--rose);background:rgba(212,149,106,0.1)}
.nav-dropdown{display:none;position:absolute;top:100%;left:0;background:var(--navy-dark);border:1px solid rgba(212,149,106,0.2);border-radius:8px;min-width:180px;padding:6px 0;box-shadow:var(--shadow);z-index:100}
.nav-dropdown a{padding:8px 16px;white-space:nowrap}
.nav-links li:hover .nav-dropdown{display:block}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--rose);transition:all .3s}

/* 搜索框 */
.search-bar{background:var(--navy);padding:10px 0}
.search-wrap{max-width:600px;margin:0 auto;display:flex;gap:8px;padding:0 20px}
.search-wrap input{flex:1;padding:10px 16px;border:2px solid var(--rose);border-radius:25px;background:rgba(255,255,255,0.08);color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-wrap input::placeholder{color:#8899aa}
.search-wrap input:focus{border-color:var(--gold)}
.search-wrap button{padding:10px 24px;background:linear-gradient(135deg,var(--rose),var(--gold));color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:.95rem;transition:transform .2s}
.search-wrap button:hover{transform:scale(1.05)}

/* ===== Hero Banner ===== */
.hero-section{position:relative;height:520px;overflow:hidden;display:flex;align-items:center}
.hero-section img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(15,27,51,0.85),rgba(27,42,74,0.6))}
.hero-content{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 20px;color:#fff}
.hero-content h1{font-size:2.8rem;margin-bottom:12px;text-shadow:0 2px 8px rgba(0,0,0,0.4)}
.hero-content h1 .brand-hl{color:var(--rose);font-weight:800}
.hero-content p{font-size:1.15rem;max-width:600px;opacity:.9;margin-bottom:20px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.hero-tags span{background:rgba(212,149,106,0.2);border:1px solid var(--rose);color:var(--rose-light);padding:5px 14px;border-radius:20px;font-size:.85rem}

/* ===== 站点简介条 ===== */
.intro-strip{background:var(--navy);color:#fff;padding:18px 0;text-align:center;border-bottom:3px solid var(--rose)}
.intro-strip h2{font-size:1.1rem;font-weight:400;letter-spacing:2px}
.intro-strip .brand-hl{color:var(--rose);font-weight:700}

/* ===== 通用板块标题 ===== */
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:var(--navy);position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--rose),var(--gold));border-radius:2px}
.section-title h2 .brand-hl{color:var(--rose)}
.section-title p{color:var(--text-light);margin-top:10px;font-size:1rem}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(27,42,74,0.18)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:60px;height:60px;background:rgba(212,149,106,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;z-index:2}
.play-btn::after{content:'';width:0;height:0;border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem;z-index:2}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;color:var(--text-light);font-size:.82rem}
.video-meta .author{color:var(--rose)}
.video-stats{display:flex;gap:12px;color:var(--text-light);font-size:.8rem;margin-top:6px}

/* ===== 影视传媒六宫格 ===== */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.media-card{background:linear-gradient(145deg,var(--navy),var(--navy-light));border-radius:var(--radius);padding:28px 22px;text-align:center;color:#fff;transition:transform .3s;border:1px solid rgba(212,149,106,0.15)}
.media-card:hover{transform:translateY(-4px);border-color:var(--rose)}
.media-card .icon{font-size:2.4rem;margin-bottom:12px}
.media-card h4{font-size:1.05rem;margin-bottom:8px;color:var(--rose-light)}
.media-card p{font-size:.88rem;opacity:.8;line-height:1.5}

/* ===== TikTok竖屏视频 ===== */
.tiktok-section{background:var(--navy-dark);padding:60px 0}
.tiktok-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.tiktok-card{border-radius:var(--radius);overflow:hidden;position:relative;padding-top:177%;cursor:pointer}
.tiktok-card img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.tiktok-card:hover img{transform:scale(1.06)}
.tiktok-card .play-btn{width:48px;height:48px}
.tiktok-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.tiktok-info{position:absolute;bottom:0;left:0;right:0;padding:40px 12px 12px;background:linear-gradient(transparent,rgba(0,0,0,0.8));color:#fff;z-index:2}
.tiktok-info h4{font-size:.9rem;margin-bottom:4px}
.tiktok-info span{font-size:.78rem;opacity:.8}

/* ===== AI赋能 ===== */
.ai-section{padding:60px 0;background:linear-gradient(180deg,var(--cream),#f0e8df)}
.ai-flex{display:flex;gap:40px;align-items:center}
.ai-flex .ai-img{flex:1;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.ai-flex .ai-text{flex:1}
.ai-flex .ai-text h3{font-size:1.5rem;color:var(--navy);margin-bottom:16px}
.ai-flex .ai-text p{margin-bottom:12px;color:var(--text-light)}
.ai-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.ai-feat{background:#fff;padding:16px;border-radius:8px;border-left:3px solid var(--rose);box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.ai-feat h5{font-size:.95rem;color:var(--navy);margin-bottom:4px}
.ai-feat p{font-size:.82rem;color:var(--text-light)}

/* ===== 社区功能 ===== */
.community-section{padding:60px 0;background:var(--navy);color:#fff}
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.community-card{background:rgba(255,255,255,0.06);border:1px solid rgba(212,149,106,0.2);border-radius:var(--radius);padding:24px;text-align:center;transition:all .3s}
.community-card:hover{background:rgba(212,149,106,0.1);border-color:var(--rose)}
.community-card .icon{font-size:2.2rem;margin-bottom:10px}
.community-card h4{color:var(--rose-light);margin-bottom:8px}
.community-card p{font-size:.88rem;opacity:.75}

/* ===== 专家团队 ===== */
.team-section{padding:60px 0}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.team-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);text-align:center;transition:transform .3s}
.team-card:hover{transform:translateY(-4px)}
.team-card img{width:100%;height:240px;object-fit:cover}
.team-card .info{padding:18px}
.team-card h4{font-size:1.05rem;color:var(--navy);margin-bottom:4px}
.team-card .role{color:var(--rose);font-size:.88rem;margin-bottom:8px}
.team-card p{font-size:.85rem;color:var(--text-light);line-height:1.5}
.team-card .links{display:flex;gap:10px;justify-content:center;margin-top:12px}
.team-card .links a{padding:6px 14px;border:1px solid var(--rose);border-radius:20px;font-size:.82rem;color:var(--rose);transition:all .3s}
.team-card .links a:hover{background:var(--rose);color:#fff}

/* ===== 合作品牌 ===== */
.partners-section{padding:50px 0;background:#f5ede4}
.partner-logos{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;align-items:center;opacity:.7}
.partner-logos span{font-size:1.3rem;font-weight:700;color:var(--navy);padding:12px 20px;border:2px solid #ddd;border-radius:8px;background:#fff}

/* ===== How-To 加入步骤 ===== */
.howto-section{padding:60px 0}
.howto-steps{display:flex;gap:30px;justify-content:center}
.howto-step{text-align:center;flex:1;max-width:220px}
.howto-step .num{width:50px;height:50px;background:linear-gradient(135deg,var(--rose),var(--gold));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 14px}
.howto-step h4{font-size:1rem;color:var(--navy);margin-bottom:6px}
.howto-step p{font-size:.85rem;color:var(--text-light)}

/* ===== 用户评价 ===== */
.reviews-section{padding:60px 0;background:var(--navy-dark);color:#fff}
.reviews-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:rgba(255,255,255,0.06);border:1px solid rgba(212,149,106,0.15);border-radius:var(--radius);padding:24px}
.review-card .stars{color:var(--gold);font-size:1.1rem;margin-bottom:8px}
.review-card p{font-size:.92rem;line-height:1.6;opacity:.9;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar{width:40px;height:40px;border-radius:50%;background:var(--rose);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.review-card .reviewer .name{font-size:.9rem;color:var(--rose-light)}
.review-card .reviewer .date{font-size:.78rem;opacity:.6}

/* ===== FAQ ===== */
.faq-section{padding:60px 0}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid #e0d6cc;margin-bottom:0}
.faq-q{padding:18px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1.02rem;font-weight:600;color:var(--navy);transition:color .3s}
.faq-q:hover{color:var(--rose)}
.faq-q::after{content:'+';font-size:1.4rem;color:var(--rose);transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--text-light);font-size:.92rem;line-height:1.7}
.faq-item.active .faq-a{max-height:300px;padding-bottom:16px}

/* ===== 页脚 ===== */
.site-footer{background:var(--navy-dark);color:#ccc;padding:40px 0 20px;border-top:3px solid var(--rose)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-col h4{color:var(--rose-light);margin-bottom:14px;font-size:1rem}
.footer-col p,.footer-col a{font-size:.88rem;color:#aaa;line-height:1.8}
.footer-col a:hover{color:var(--rose)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:6px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,0.1);font-size:.82rem;color:#777}
.footer-bottom .brand-hl{color:var(--rose)}

/* ===== 面包屑 ===== */
.breadcrumb-bar{background:#f5ede4;padding:12px 0;border-bottom:1px solid #e0d6cc}
.breadcrumb{display:flex;gap:8px;font-size:.88rem;color:var(--text-light);list-style:none;max-width:1200px;margin:0 auto;padding:0 20px}
.breadcrumb a{color:var(--rose)}
.breadcrumb li::after{content:'>';margin-left:8px;color:#ccc}
.breadcrumb li:last-child::after{display:none}

/* ===== 内页Hero ===== */
.page-hero{background:var(--navy);color:#fff;padding:50px 0;text-align:center}
.page-hero h1{font-size:2.2rem;margin-bottom:10px}
.page-hero h1 .brand-hl{color:var(--rose)}
.page-hero p{opacity:.8;font-size:1rem}

/* ===== 内页内容 ===== */
.page-content{padding:50px 0}
.content-wrap{max-width:900px;margin:0 auto}
.content-wrap h2{color:var(--navy);font-size:1.5rem;margin:30px 0 14px;border-left:4px solid var(--rose);padding-left:14px}
.content-wrap h3{color:var(--navy);font-size:1.2rem;margin:20px 0 10px}
.content-wrap p{margin-bottom:14px;line-height:1.8;color:var(--text)}
.content-wrap ul{margin:10px 0 20px 20px}
.content-wrap li{margin-bottom:6px;color:var(--text-light)}

/* ===== 社交分享 ===== */
.share-bar{display:flex;gap:10px;justify-content:center;padding:20px 0}
.share-btn{padding:8px 18px;border-radius:20px;font-size:.85rem;color:#fff;cursor:pointer;border:none;transition:transform .2s}
.share-btn:hover{transform:scale(1.05)}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#000}
.share-btn.bilibili{background:#FB7299}

/* ===== 视频弹窗 ===== */
.video-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.85);z-index:9999;align-items:center;justify-content:center}
.video-modal.active{display:flex}
.modal-content{background:var(--navy-dark);border-radius:var(--radius);padding:30px;max-width:700px;width:90%;text-align:center;color:#fff;position:relative}
.modal-close{position:absolute;top:12px;right:16px;font-size:1.8rem;color:var(--rose);cursor:pointer;background:none;border:none}
.modal-content h3{margin-bottom:16px;color:var(--rose-light)}
.modal-content p{opacity:.8;font-size:.92rem}

/* ===== 时间轴 ===== */
.timeline{position:relative;padding:20px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--rose);transform:translateX(-50%)}
.timeline-item{display:flex;margin-bottom:30px;position:relative}
.timeline-item:nth-child(odd){flex-direction:row-reverse}
.timeline-item .content{width:45%;background:#fff;padding:20px;border-radius:var(--radius);box-shadow:var(--shadow)}
.timeline-item .content h4{color:var(--navy);margin-bottom:6px}
.timeline-item .content p{font-size:.88rem;color:var(--text-light)}
.timeline-item .dot{position:absolute;left:50%;top:20px;width:14px;height:14px;background:var(--rose);border-radius:50%;transform:translateX(-50%);z-index:2}

/* ===== 联系表单 ===== */
.contact-form{max-width:600px;margin:0 auto}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;color:var(--navy);font-size:.92rem}
.form-group input,.form-group textarea{width:100%;padding:12px;border:2px solid #e0d6cc;border-radius:8px;font-size:.95rem;transition:border-color .3s;background:#fff}
.form-group input:focus,.form-group textarea:focus{border-color:var(--rose);outline:none}
.form-group textarea{height:120px;resize:vertical}
.submit-btn{padding:12px 36px;background:linear-gradient(135deg,var(--rose),var(--gold));color:#fff;border:none;border-radius:25px;font-size:1rem;cursor:pointer;transition:transform .2s}
.submit-btn:hover{transform:scale(1.05)}

/* ===== 作者署名 ===== */
.author-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(212,149,106,0.1);padding:4px 12px;border-radius:15px;font-size:.82rem;color:var(--rose);margin:6px 0}

/* ===== 响应式 ===== */
@media(max-width:992px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .media-grid{grid-template-columns:repeat(2,1fr)}
  .tiktok-grid{grid-template-columns:repeat(3,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .ai-flex{flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr}
  .community-grid{grid-template-columns:repeat(2,1fr)}
  .timeline::before{left:20px}
  .timeline-item,.timeline-item:nth-child(odd){flex-direction:row}
  .timeline-item .content{width:calc(100% - 50px);margin-left:40px}
  .timeline-item .dot{left:20px}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--navy-dark);flex-direction:column;padding:16px;border-top:1px solid rgba(212,149,106,0.2)}
  .nav-links.active{display:flex}
  .hamburger{display:flex}
  .hero-section{height:400px}
  .hero-content h1{font-size:1.8rem}
  .video-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr}
  .tiktok-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .howto-steps{flex-direction:column;align-items:center}
  .footer-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .section-title h2{font-size:1.5rem}
  .nav-dropdown{position:static;border:none;box-shadow:none;padding-left:16px}
}