/* ============================================
   麻豆传媒影视 全站样式表
   品牌色：珊瑚粉 #FF6B8A / 暖橙 #FFB347 / 深玫 #E8456B
   辅助色：淡紫 #C9A0DC / 奶白 #FFF8F0 / 深灰 #2D2D3A
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;color:#2D2D3A;background:#FFF8F0;line-height:1.75;overflow-x:hidden}
a{color:#E8456B;text-decoration:none;transition:color .3s}
a:hover{color:#FF6B8A}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#2D2D3A}

/* --- Container --- */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* --- Header / Navigation --- */
.site-header{background:linear-gradient(135deg,#FFF8F0 0%,#FFE8EC 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(232,69,107,.1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:48px;width:auto;border-radius:8px}
.logo-wrap .brand-name{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,#FF6B8A,#FFB347);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;border-radius:20px;font-size:.9rem;color:#2D2D3A;font-weight:500;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:linear-gradient(135deg,#FF6B8A,#FFB347);color:#fff}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:#E8456B}

/* --- Search Bar --- */
.search-bar{background:linear-gradient(135deg,#FFE8EC,#FFF0E0);padding:14px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:560px;width:100%;border-radius:28px;overflow:hidden;box-shadow:0 2px 10px rgba(232,69,107,.12)}
.search-box input{flex:1;padding:10px 20px;border:2px solid #FFD0DA;border-right:none;border-radius:28px 0 0 28px;font-size:.95rem;outline:none;background:#fff;transition:border-color .3s}
.search-box input:focus{border-color:#FF6B8A}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#FF6B8A,#FFB347);color:#fff;border:none;cursor:pointer;font-size:.95rem;font-weight:600;border-radius:0 28px 28px 0;transition:opacity .3s}
.search-box button:hover{opacity:.9}

/* --- Notice Bar --- */
.notice-bar-section{padding:16px 0}
.notice-bar{display:flex;align-items:center;background:#fff;border-radius:12px;padding:10px 20px;box-shadow:0 2px 8px rgba(232,69,107,.06);overflow:hidden}
.notice-label{background:linear-gradient(135deg,#FF6B8A,#FFB347);color:#fff;padding:4px 14px;border-radius:16px;font-size:.82rem;font-weight:600;white-space:nowrap;margin-right:16px}
.notice-scroll{overflow:hidden;flex:1;height:24px;position:relative}
.notice-scroll p{font-size:.88rem;color:#666;white-space:nowrap;position:absolute;animation:noticeScroll 12s linear infinite}
.notice-scroll p:nth-child(2){animation-delay:4s}
.notice-scroll p:nth-child(3){animation-delay:8s}
@keyframes noticeScroll{0%{transform:translateY(100%);opacity:0}10%{transform:translateY(0);opacity:1}30%{transform:translateY(0);opacity:1}40%{transform:translateY(-100%);opacity:0}100%{transform:translateY(-100%);opacity:0}}

/* --- Hero Banner --- */
.hero{position:relative;overflow:hidden;border-radius:0 0 30px 30px}
.hero img{width:100%;height:420px;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,107,138,.25) 0%,rgba(45,45,58,.55) 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}
.hero-overlay h1{font-size:2.4rem;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.3);margin-bottom:12px}
.hero-overlay p{font-size:1.1rem;color:#FFE8EC;max-width:640px;text-shadow:0 1px 4px rgba(0,0,0,.2)}

/* --- Section Common --- */
.section{padding:50px 0}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:1.8rem;display:inline-block;position:relative;padding-bottom:10px}
.section-title h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#FF6B8A,#FFB347);border-radius:2px}
.section-title p{color:#888;margin-top:8px;font-size:.95rem}
.section-alt{background:#fff}

/* --- Video Card Grid --- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.video-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 16px rgba(232,69,107,.08);transition:transform .3s,box-shadow .3s;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 28px rgba(232,69,107,.16)}
.video-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.video-card .thumb video,.video-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;display:block}
.video-card:hover .thumb video,.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(45,45,58,.35);opacity:0;transition:opacity .3s;z-index:2}
.video-card:hover .play-btn{opacity:1}
.play-btn span{width:56px;height:56px;background:linear-gradient(135deg,#FF6B8A,#FFB347);border-radius:50%;display:flex;align-items:center;justify-content:center}
.play-btn span::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card .card-body{padding:16px}
.video-card .card-body h3{font-size:1rem;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-desc{font-size:.84rem;color:#777;line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;gap:14px;color:#999;font-size:.82rem}
.video-card .card-meta span{display:flex;align-items:center;gap:4px}
.video-card .card-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-card .card-tags span{background:#FFF0E0;color:#E8456B;font-size:.72rem;padding:2px 8px;border-radius:10px;font-weight:500}
.video-card .card-author{font-size:.76rem;color:#aaa;margin-top:6px;padding-top:6px;border-top:1px solid #f5f0f0}
.video-card .tag{position:absolute;top:12px;left:12px;background:linear-gradient(135deg,#FF6B8A,#FFB347);color:#fff;font-size:.75rem;padding:3px 10px;border-radius:12px;font-weight:600;z-index:3}

/* --- Feature Modules --- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.feature-item{background:#fff;border-radius:16px;padding:28px 24px;text-align:center;box-shadow:0 4px 16px rgba(232,69,107,.06);transition:transform .3s}
.feature-item:hover{transform:translateY(-4px)}
.feature-item .icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#FFE8EC,#FFF0E0);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.feature-item h4{font-size:1.05rem;margin-bottom:8px}
.feature-item p{font-size:.88rem;color:#777;line-height:1.6}

/* --- AI Showcase --- */
.ai-showcase{display:flex;gap:32px;align-items:flex-start}
.ai-left{flex:0 0 48%}
.ai-left img{width:100%;border-radius:16px}
.ai-right{flex:1;display:flex;flex-direction:column;gap:20px}
.ai-item{background:#fff;border-radius:14px;padding:20px;box-shadow:0 3px 12px rgba(232,69,107,.06)}
.ai-item h4{font-size:1rem;margin-bottom:6px;color:#E8456B}
.ai-item p{font-size:.88rem;color:#777;line-height:1.6}

/* --- Expert Section --- */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 16px rgba(232,69,107,.08);display:flex;flex-direction:column;align-items:center;padding:28px 20px;text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;border:3px solid #FFD0DA;margin-bottom:14px}
.expert-card h4{font-size:1.05rem;margin-bottom:4px}
.expert-card .title{color:#FF6B8A;font-size:.85rem;margin-bottom:8px}
.expert-card p{font-size:.85rem;color:#777;line-height:1.6;margin-bottom:8px}
.expert-card .expert-credentials{font-size:.76rem;color:#aaa;margin-bottom:12px;padding:6px 12px;background:#FFF8F0;border-radius:8px;line-height:1.5}
.expert-card .btns{display:flex;gap:10px}
.expert-card .btns a{padding:6px 16px;border-radius:20px;font-size:.82rem;font-weight:600;transition:all .3s}
.expert-card .btns .btn-primary{background:linear-gradient(135deg,#FF6B8A,#FFB347);color:#fff}
.expert-card .btns .btn-outline{border:1.5px solid #FF6B8A;color:#FF6B8A}
.expert-card .btns .btn-outline:hover{background:#FF6B8A;color:#fff}

/* --- FAQ Section --- */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:0 2px 8px rgba(232,69,107,.06);overflow:hidden}
.faq-item .faq-q{padding:16px 20px;cursor:pointer;font-weight:600;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-item .faq-q:hover{background:#FFF0E0}
.faq-item .faq-q .arrow{transition:transform .3s;font-size:1.2rem;color:#FF6B8A}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#666;font-size:.92rem;line-height:1.7}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}

/* --- Reviews --- */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:14px;padding:22px;box-shadow:0 3px 12px rgba(232,69,107,.06)}
.review-card .stars{color:#FFB347;font-size:1rem;margin-bottom:8px}
.review-card p{font-size:.9rem;color:#555;line-height:1.65;margin-bottom:10px;font-style:italic}
.review-card .reviewer{font-size:.82rem;color:#999;font-weight:600}

/* --- Contact Section --- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.contact-item{background:#fff;border-radius:14px;padding:24px;text-align:center;box-shadow:0 3px 12px rgba(232,69,107,.06)}
.contact-item .icon{font-size:2rem;margin-bottom:10px}
.contact-item h4{font-size:1rem;margin-bottom:6px}
.contact-item p{font-size:.88rem;color:#777}

/* --- QR Code Section --- */
.qr-grid{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{width:160px;height:160px;border-radius:12px;border:2px solid #FFD0DA;margin-bottom:8px}
.qr-item p{font-size:.85rem;color:#666;font-weight:600}

/* --- Partner Logos --- */
.partner-section img{max-width:900px;margin:0 auto;border-radius:12px}

/* --- Share Buttons --- */
.share-bar{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:.85rem;font-weight:600;color:#fff;transition:opacity .3s;cursor:pointer}
.share-btn:hover{opacity:.85;color:#fff}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00A1D6}

/* --- How-To Guide --- */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;max-width:1000px;margin:0 auto}
.howto-step{background:#fff;border-radius:14px;padding:24px;text-align:center;box-shadow:0 3px 12px rgba(232,69,107,.06);position:relative}
.howto-step .step-num{width:40px;height:40px;background:linear-gradient(135deg,#FF6B8A,#FFB347);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;margin:0 auto 12px}
.howto-step h4{font-size:1rem;margin-bottom:6px}
.howto-step p{font-size:.85rem;color:#777;line-height:1.6}

/* --- Friend Links --- */
.friend-links{text-align:center;font-size:.82rem;color:#999}
.friend-links a{color:#999;margin:0 6px}
.friend-links a:hover{color:#E8456B}
.friend-links span{color:#ddd}

/* --- Footer --- */
.site-footer{background:linear-gradient(135deg,#2D2D3A 0%,#1a1a26 100%);color:#ccc;padding:40px 0 20px}
.footer-inner{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:30px;max-width:1200px;margin:0 auto;padding:0 20px}
.footer-col h4{color:#FFB347;font-size:1rem;margin-bottom:14px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#FF6B8A;border-radius:1px}
.footer-col p,.footer-col a{font-size:.85rem;color:#aaa;line-height:1.8}
.footer-col a:hover{color:#FFB347}
.footer-col .footer-logo{height:46px;margin-bottom:10px;border-radius:6px}
.footer-bottom{text-align:center;padding:20px;border-top:1px solid rgba(255,255,255,.08);margin-top:30px;font-size:.82rem;color:#888}
.footer-bottom a{color:#FFB347}

/* --- Breadcrumb --- */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#999}
.breadcrumb a{color:#E8456B}
.breadcrumb span{margin:0 6px;color:#ccc}

/* --- Inner Page Banner --- */
.inner-banner{position:relative;height:260px;overflow:hidden;border-radius:0 0 24px 24px}
.inner-banner img{width:100%;height:100%;object-fit:cover}
.inner-banner .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,107,138,.2),rgba(45,45,58,.6));display:flex;align-items:center;justify-content:center}
.inner-banner h1{color:#fff;font-size:2rem;text-shadow:0 2px 8px rgba(0,0,0,.3)}

/* --- Responsive --- */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;flex-direction:column;width:100%;padding:10px 0}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero img{height:260px}
  .hero-overlay h1{font-size:1.6rem}
  .hero-overlay p{font-size:.9rem}
  .section{padding:32px 0}
  .section-title h2{font-size:1.4rem}
  .video-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .expert-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .search-box{max-width:100%}
  .ai-showcase{flex-direction:column}
  .ai-left{flex:none;width:100%}
}
@media(max-width:480px){
  .feature-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .qr-grid{gap:20px}
}

/* --- Lazy Load Placeholder --- */
img[loading="lazy"]{background:#f0e8e8;min-height:100px}
video[poster]{background:#f0e8e8}

/* --- SR Only --- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}