/* 海角社区 影视传媒主题 - 原创CSS */
/* 配色：玫瑰金 #C8507A / 深紫 #2D1B3D / 暖粉 #F5E6EC / 金色 #D4A853 */
:root{--primary:#C8507A;--primary-dark:#9E3A5E;--secondary:#2D1B3D;--accent:#D4A853;--bg-light:#FDF8FA;--bg-warm:#F5E6EC;--bg-dark:#1A0E24;--text-main:#2D1B3D;--text-light:#6B5078;--text-white:#F5F0F2;--card-shadow:0 4px 20px rgba(45,27,61,0.1);--radius:12px;--transition:all 0.3s ease}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--text-main);background:var(--bg-light);line-height:1.7}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:rgba(26,14,36,0.95);backdrop-filter:blur(12px);position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(200,80,122,0.2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px;color:var(--text-white);font-size:1.3rem;font-weight:700}
.site-logo img{border-radius:8px}
.main-nav{display:flex;gap:6px;flex-wrap:wrap}
.main-nav a{color:var(--text-white);padding:8px 14px;border-radius:8px;font-size:0.9rem;transition:var(--transition)}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:#fff}
.mobile-menu-btn{display:none;background:none;border:2px solid var(--primary);color:var(--primary);font-size:1.4rem;padding:6px 12px;border-radius:8px;cursor:pointer}

/* Search Bar */
.search-bar{background:var(--secondary);padding:16px 0}
.search-bar .container{display:flex;justify-content:center}
.search-form{display:flex;max-width:600px;width:100%;background:rgba(255,255,255,0.1);border-radius:30px;overflow:hidden;border:1px solid rgba(200,80,122,0.3)}
.search-form input{flex:1;padding:12px 24px;background:transparent;border:none;color:#fff;font-size:1rem;outline:none}
.search-form input::placeholder{color:rgba(255,255,255,0.5)}
.search-form button{padding:12px 28px;background:var(--primary);color:#fff;border:none;cursor:pointer;font-size:0.95rem;transition:var(--transition)}
.search-form button:hover{background:var(--accent)}

/* Hero Banner */
.hero-section{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:var(--bg-dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(0.5)}
.hero-content{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:60px 20px;color:#fff}
.hero-content h1{font-size:2.8rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,0.5)}
.hero-content h2{font-size:1.4rem;font-weight:400;margin-bottom:24px;color:rgba(255,255,255,0.9);text-shadow:0 1px 10px rgba(0,0,0,0.5)}
.hero-content p{font-size:1.05rem;max-width:650px;line-height:1.8;color:rgba(255,255,255,0.85);margin-bottom:30px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 32px;border-radius:30px;font-size:1rem;font-weight:600;transition:var(--transition);cursor:pointer;border:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.6)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* Sections */
.section{padding:70px 0}
.section-rose{background:var(--bg-warm)}
.section-dark{background:var(--bg-dark);color:var(--text-white)}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:2rem;margin-bottom:12px;color:var(--secondary)}
.section-dark .section-header h2{color:var(--accent)}
.section-header p{font-size:1.05rem;color:var(--text-light);max-width:700px;margin:0 auto}
.section-dark .section-header p{color:rgba(255,255,255,0.7)}

/* Video Cards */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--card-shadow);transition:var(--transition)}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(200,80,122,0.2)}
.section-dark .video-card{background:rgba(255,255,255,0.06);border:1px solid rgba(200,80,122,0.15)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;cursor:pointer}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.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:64px;height:64px;background:rgba(200,80,122,0.9);border-radius:50%;opacity:0;transition:var(--transition)}
.play-btn::after{content:"";position:absolute;top:50%;left:54%;transform:translate(-50%,-50%);border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff}
.video-thumb:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,0.75);color:#fff;padding:3px 10px;border-radius:4px;font-size:0.8rem}
.video-info{padding:18px}
.video-info h3{font-size:1.05rem;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.section-dark .video-info h3{color:#fff}
.video-info p{font-size:0.9rem;color:var(--text-light);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.section-dark .video-info p{color:rgba(255,255,255,0.6)}
.video-meta{display:flex;justify-content:space-between;font-size:0.82rem;color:#999}
.video-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.video-tags span{background:var(--bg-warm);color:var(--primary);padding:3px 12px;border-radius:20px;font-size:0.78rem}
.section-dark .video-tags span{background:rgba(200,80,122,0.15);color:var(--accent)}

/* Stats */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item{padding:30px 16px}
.stat-num{font-size:2.4rem;font-weight:800;color:var(--accent);margin-bottom:6px}
.stat-label{font-size:0.95rem;color:rgba(255,255,255,0.7)}

/* Expert Cards */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
.expert-card{background:#fff;border-radius:var(--radius);overflow:hidden;text-align:center;padding:30px 20px;box-shadow:var(--card-shadow);transition:var(--transition)}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:4px solid var(--bg-warm)}
.expert-card h4{font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:var(--primary);font-size:0.88rem;margin-bottom:10px}
.expert-card p{font-size:0.88rem;color:var(--text-light);margin-bottom:14px}
.expert-card .btn{padding:8px 22px;font-size:0.85rem}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(200,80,122,0.15);padding:0}
.faq-q{padding:20px 0;font-size:1.05rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:"+";font-size:1.5rem;color:var(--primary);transition:var(--transition)}
.faq-item.active .faq-q::after{content:"-";transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease;font-size:0.95rem;color:var(--text-light);line-height:1.8}
.faq-item.active .faq-a{max-height:300px;padding-bottom:20px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--card-shadow)}
.review-stars{color:var(--accent);font-size:1.1rem;margin-bottom:10px}
.review-card p{font-size:0.92rem;color:var(--text-light);margin-bottom:14px;line-height:1.7;font-style:italic}
.review-author{display:flex;align-items:center;gap:10px;font-size:0.88rem;font-weight:600}
.review-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:0.85rem}

/* Partners */
.partner-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center;opacity:0.7}
.partner-logos span{font-size:1.2rem;padding:16px 28px;background:rgba(255,255,255,0.06);border-radius:10px;border:1px solid rgba(200,80,122,0.15);color:var(--accent)}

/* How-To */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:28px;text-align:center}
.howto-step{padding:30px 20px}
.step-num{width:50px;height:50px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 16px}
.howto-step h4{margin-bottom:8px;font-size:1.05rem}
.howto-step p{font-size:0.9rem;color:var(--text-light)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}
.contact-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--card-shadow)}
.contact-card h4{font-size:1.1rem;margin-bottom:14px;color:var(--primary)}
.contact-card p{font-size:0.92rem;color:var(--text-light);margin-bottom:8px;line-height:1.7}
.contact-card img{max-width:160px;margin:12px auto 0;border-radius:8px}

/* Share */
.share-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.share-btns a{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:25px;color:#fff;font-size:0.9rem;transition:var(--transition)}
.share-btns a:hover{transform:translateY(-3px);color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* Inner Banner */
.inner-banner{background:var(--bg-dark);padding:50px 0 40px;text-align:center}
.inner-banner h1{color:#fff;font-size:2.2rem;margin-bottom:10px}
.inner-banner p{color:rgba(255,255,255,0.7);font-size:1.05rem}
.breadcrumb{margin-bottom:20px;font-size:0.88rem}
.breadcrumb a{color:var(--accent)}
.breadcrumb span{color:rgba(255,255,255,0.4);margin:0 8px}

/* Footer */
.site-footer{background:var(--bg-dark);color:var(--text-white);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;max-width:1200px;margin:0 auto;padding:0 20px 40px}
.footer-brand p{font-size:0.9rem;color:rgba(255,255,255,0.6);margin-top:12px;line-height:1.7}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;margin-bottom:8px}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:var(--accent)}
.footer-col a{display:block;color:rgba(255,255,255,0.6);font-size:0.88rem;margin-bottom:10px;transition:var(--transition)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(200,80,122,0.15);padding:20px;text-align:center;font-size:0.85rem;color:rgba(255,255,255,0.5);max-width:1200px;margin:0 auto}
.footer-bottom p{margin-bottom:6px}

/* Fade Animation */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:768px){
  .mobile-menu-btn{display:block}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--secondary);flex-direction:column;padding:16px}
  .main-nav.active{display:flex}
  .hero-content h1{font-size:1.8rem}
  .hero-content h2{font-size:1.1rem}
  .hero-section{min-height:380px}
  .video-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .expert-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .howto-steps{grid-template-columns:1fr}
  .hero-btns{flex-direction:column}
}