/* ============================================
   探花 影视传媒主题 - 原创CSS样式
   配色：深紫#140A23 / 赤金#C9A84C / 绯红#B8336A / 星蓝#1B4965
   ============================================ */
*{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:#0D0618;color:#E8E0F0;line-height:1.8}
a{color:#C9A84C;text-decoration:none;transition:color .3s}
a:hover{color:#E8C86A}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.top-nav{background:linear-gradient(135deg,#140A23 0%,#1B0F30 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(201,168,76,.15);border-bottom:1px solid rgba(201,168,76,.2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:42px;width:auto;border-radius:6px}
.nav-logo span{font-size:1.3rem;font-weight:700;color:#C9A84C;letter-spacing:1px}
.nav-links{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.nav-links a{color:#D4C8E8;font-size:.92rem;padding:6px 12px;border-radius:20px;transition:all .3s}
.nav-links a:hover,.nav-links a.active{color:#C9A84C;background:rgba(201,168,76,.12)}
.nav-toggle{display:none;flex-direction:column;cursor:pointer;gap:5px}
.nav-toggle span{width:26px;height:3px;background:#C9A84C;border-radius:2px;transition:.3s}

/* 搜索框 */
.search-bar{background:rgba(20,10,35,.85);padding:14px 0;border-bottom:1px solid rgba(201,168,76,.1)}
.search-box{display:flex;max-width:600px;margin:0 auto}
.search-box input{flex:1;padding:10px 18px;border:2px solid rgba(201,168,76,.3);border-right:none;border-radius:25px 0 0 25px;background:rgba(255,255,255,.06);color:#E8E0F0;font-size:.95rem;outline:none}
.search-box input:focus{border-color:#C9A84C}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#C9A84C,#B8336A);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* Banner */
.hero-banner{position:relative;overflow:hidden;min-height:480px;display:flex;align-items:center}
.hero-banner img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.hero-content{position:relative;z-index:2;max-width:650px;padding:60px 40px}
.hero-content h1{font-size:2.6rem;color:#C9A84C;margin-bottom:16px;text-shadow:0 2px 15px rgba(0,0,0,.6);line-height:1.3}
.hero-content p{font-size:1.1rem;color:#E8E0F0;margin-bottom:24px;text-shadow:0 1px 8px rgba(0,0,0,.5)}
.hero-btn{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#B8336A,#C9A84C);color:#fff;border-radius:30px;font-weight:600;font-size:1rem;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(184,51,106,.4);color:#fff}

/* 弹幕条 */
.danmu-bar{background:linear-gradient(90deg,#1B0F30,#140A23);padding:10px 0;overflow:hidden;border-bottom:1px solid rgba(201,168,76,.1)}
.danmu-track{display:flex;animation:danmuScroll 30s linear infinite;white-space:nowrap;gap:50px}
.danmu-track span{color:#C9A84C;font-size:.88rem;opacity:.8}
@keyframes danmuScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* 通用区块 */
.section{padding:55px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:#C9A84C;margin-bottom:8px;position:relative;display:inline-block}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#B8336A,#C9A84C);border-radius:2px}
.section-title p{color:#A89BC0;font-size:.95rem;margin-top:14px}
.section-alt{background:rgba(27,15,48,.5)}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:rgba(27,15,48,.6);border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(201,168,76,.1);cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(184,51,106,.2)}
.video-thumb{position:relative;padding-top:66.67%;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%);width:56px;height:56px;background:rgba(184,51,106,.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:14px 16px}
.video-info h3{font-size:1rem;color:#E8E0F0;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:.8rem;color:#8B7BA8}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tag{display:inline-block;padding:2px 10px;background:rgba(184,51,106,.2);color:#D4A0B8;border-radius:12px;font-size:.75rem;margin-top:6px}

/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.expert-card{background:rgba(27,15,48,.6);border-radius:14px;padding:28px;text-align:center;border:1px solid rgba(201,168,76,.12);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:110px;height:110px;border-radius:50%;object-fit:cover;border:3px solid #C9A84C;margin-bottom:14px}
.expert-card h4{color:#C9A84C;font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:#B8336A;font-size:.88rem;margin-bottom:10px}
.expert-card p{color:#A89BC0;font-size:.88rem;line-height:1.6}
.expert-btn{display:inline-block;margin-top:12px;padding:6px 20px;border:1px solid #C9A84C;color:#C9A84C;border-radius:20px;font-size:.85rem;transition:all .3s}
.expert-btn:hover{background:#C9A84C;color:#140A23}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:rgba(27,15,48,.5);border-radius:10px;margin-bottom:12px;border:1px solid rgba(201,168,76,.1);overflow:hidden}
.faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#E8E0F0;transition:background .3s}
.faq-q:hover{background:rgba(201,168,76,.08)}
.faq-q::after{content:'+';font-size:1.4rem;color:#C9A84C;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s,padding .4s;color:#A89BC0;font-size:.92rem}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}

/* 用户评价 */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review-card{background:rgba(27,15,48,.5);border-radius:12px;padding:22px;border:1px solid rgba(201,168,76,.1)}
.review-card .stars{color:#C9A84C;font-size:1.1rem;margin-bottom:8px}
.review-card p{color:#C8BEE0;font-size:.92rem;font-style:italic;margin-bottom:10px}
.review-card .reviewer{color:#8B7BA8;font-size:.85rem}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:start}
.contact-info{background:rgba(27,15,48,.5);border-radius:12px;padding:28px;border:1px solid rgba(201,168,76,.1)}
.contact-info h3{color:#C9A84C;margin-bottom:16px;font-size:1.2rem}
.contact-info p{margin-bottom:10px;color:#C8BEE0;font-size:.92rem}
.qr-codes{display:flex;gap:24px;justify-content:center;margin-top:20px}
.qr-item{text-align:center}
.qr-item img{width:140px;height:140px;border-radius:10px;border:2px solid rgba(201,168,76,.2)}
.qr-item p{margin-top:6px;font-size:.85rem;color:#A89BC0}

/* 社交分享 */
.share-bar{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:22px;font-size:.88rem;transition:all .3s;border:1px solid rgba(201,168,76,.2);color:#C8BEE0}
.share-btn:hover{background:rgba(201,168,76,.15);color:#C9A84C;border-color:#C9A84C}

/* 页脚 */
.site-footer{background:linear-gradient(135deg,#0A0414 0%,#140A23 100%);padding:40px 0 20px;border-top:2px solid rgba(201,168,76,.15)}
.footer-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#C9A84C;margin-bottom:14px;font-size:1rem}
.footer-col p,.footer-col a{color:#8B7BA8;font-size:.88rem;display:block;margin-bottom:6px}
.footer-col a:hover{color:#C9A84C}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(201,168,76,.1);color:#6B5D88;font-size:.85rem}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo img{height:36px;border-radius:4px}

/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.howto-step{text-align:center;padding:24px 16px;background:rgba(27,15,48,.5);border-radius:12px;border:1px solid rgba(201,168,76,.1)}
.howto-step .step-num{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;background:linear-gradient(135deg,#B8336A,#C9A84C);color:#fff;border-radius:50%;font-weight:700;font-size:1.2rem;margin-bottom:12px}
.howto-step h4{color:#E8E0F0;font-size:.95rem;margin-bottom:6px}
.howto-step p{color:#A89BC0;font-size:.85rem}

/* 合作品牌墙 */
.brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;padding:20px 0}
.brand-wall-item{padding:14px 28px;background:rgba(27,15,48,.5);border-radius:10px;border:1px solid rgba(201,168,76,.12);color:#A89BC0;font-size:.92rem;transition:all .3s}
.brand-wall-item:hover{border-color:#C9A84C;color:#C9A84C}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:.88rem;color:#8B7BA8}
.breadcrumb a{color:#C9A84C}
.breadcrumb span{margin:0 8px;color:#6B5D88}

/* 内页通用 */
.page-header{background:linear-gradient(135deg,#1B0F30,#140A23);padding:50px 0 30px;text-align:center;border-bottom:1px solid rgba(201,168,76,.1)}
.page-header h1{font-size:2rem;color:#C9A84C;margin-bottom:8px}
.page-header p{color:#A89BC0;font-size:.95rem}
.page-content{padding:40px 0}
.page-content p{margin-bottom:16px;color:#C8BEE0;font-size:.95rem}

/* 视频播放页 */
.video-player-wrap{background:#000;border-radius:12px;overflow:hidden;margin-bottom:24px;position:relative;padding-top:56.25%}
.video-player-wrap video,.video-player-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%}
.video-detail-layout{display:grid;grid-template-columns:2fr 1fr;gap:30px}
.video-sidebar h3{color:#C9A84C;font-size:1.1rem;margin-bottom:16px}
.sidebar-card{display:flex;gap:12px;margin-bottom:14px;padding:10px;background:rgba(27,15,48,.4);border-radius:8px;transition:background .3s}
.sidebar-card:hover{background:rgba(201,168,76,.1)}
.sidebar-card img{width:120px;height:80px;object-fit:cover;border-radius:6px;flex-shrink:0}
.sidebar-card .sc-info h4{font-size:.88rem;color:#E8E0F0;margin-bottom:4px;line-height:1.3}
.sidebar-card .sc-info p{font-size:.78rem;color:#8B7BA8}

/* 响应式 */
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#140A23;flex-direction:column;padding:16px;gap:8px;border-top:1px solid rgba(201,168,76,.2)}
  .nav-links.show{display:flex}
  .nav-toggle{display:flex}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .hero-content h1{font-size:1.8rem}
  .hero-content{padding:40px 20px}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .video-detail-layout{grid-template-columns:1fr}
  .hero-banner{min-height:350px}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .qr-codes{flex-direction:column;align-items:center}
}