/* ============================================
   抖阴 - 动物写真与视频社区 全站样式表
   品牌色: 紫色 #6B2FA0 / 金色 #F5A623
   mcintfh.cn
   ============================================ */

/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2d2d2d;background:#fafafa;line-height:1.7;overflow-x:hidden}
a{color:#6B2FA0;text-decoration:none;transition:color .3s}
a:hover{color:#F5A623}
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:#1a1a2e}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#6B2FA0;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,#6B2FA0,#F5A623);border-radius:2px}
.section-title p{color:#666;margin-top:10px;font-size:1rem}

/* Header / Navigation */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.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:42px;width:auto}
.logo-wrap span{color:#F5A623;font-size:1.3rem;font-weight:700;letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#e0d6f0;padding:12px 16px;font-size:.95rem;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#F5A623;background:rgba(245,166,35,.08)}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;background:#F5A623;transition:all .3s;transform:translateX(-50%)}
.main-nav a:hover::after,.main-nav a.active::after{width:70%}
.nav-toggle{display:none;background:none;border:none;color:#F5A623;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:#15152a;padding:10px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:560px;width:100%;border-radius:25px;overflow:hidden;box-shadow:0 2px 8px rgba(107,47,160,.2)}
.search-box input{flex:1;padding:10px 20px;border:2px solid #6B2FA0;border-right:none;border-radius:25px 0 0 25px;font-size:.95rem;outline:none;background:#fff;color:#333}
.search-box input:focus{border-color:#F5A623}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#6B2FA0,#8B4FC0);color:#fff;border:none;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-box button:hover{background:linear-gradient(135deg,#8B4FC0,#F5A623)}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#6B2FA0}
.breadcrumb span{margin:0 6px;color:#ccc}

/* Banner / Hero */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;filter:brightness(.65)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:20px;max-width:800px}
.hero-content h1{font-size:2.8rem;margin-bottom:16px;text-shadow:0 3px 12px rgba(0,0,0,.5)}
.hero-content h1 em{font-style:normal;color:#F5A623}
.hero-content p{font-size:1.15rem;line-height:1.8;text-shadow:0 2px 6px rgba(0,0,0,.4);margin-bottom:20px}
.hero-btn{display:inline-block;padding:12px 36px;background:linear-gradient(135deg,#6B2FA0,#F5A623);color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(107,47,160,.4);color:#fff}

/* Section Spacing */
.section{padding:60px 0}
.section-alt{background:#f0ecf5}

/* Video Card Grid */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(107,47,160,.15)}
.video-thumb{position:relative;padding-top:133%;overflow:hidden}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(107,47,160,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;pointer-events:none}
.video-play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card:hover .video-play-btn{opacity:1}
.video-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-info{padding:14px}
.video-info h3{font-size:.95rem;color:#1a1a2e;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:.8rem;color:#999}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tag{display:inline-block;background:#f0ecf5;color:#6B2FA0;padding:2px 8px;border-radius:10px;font-size:.72rem;margin-top:6px}

/* Expert Cards */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;text-align:center;padding:30px 20px;box-shadow:0 3px 15px rgba(0,0,0,.08);transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #F5A623}
.expert-card h4{color:#6B2FA0;margin-bottom:4px;font-size:1.05rem}
.expert-card .role{color:#999;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.85rem;color:#666;line-height:1.6;margin-bottom:14px}
.expert-card .btn-sm{display:inline-block;padding:6px 18px;border:1px solid #6B2FA0;color:#6B2FA0;border-radius:20px;font-size:.82rem;transition:all .3s;margin:0 4px}
.expert-card .btn-sm:hover{background:#6B2FA0;color:#fff}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-q{padding:16px 20px;font-weight:600;color:#1a1a2e;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-q:hover{background:#f9f5ff}
.faq-q::after{content:'+';font-size:1.3rem;color:#6B2FA0;transition:transform .3s}
.faq-item.open .faq-q::after{content:'-';transform:rotate(180deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s;color:#555;font-size:.92rem;line-height:1.7}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}

/* Review Cards */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#6B2FA0,#F5A623);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#1a1a2e}
.review-date{font-size:.8rem;color:#aaa}
.review-stars{color:#F5A623;margin-bottom:8px;font-size:.9rem}
.review-text{color:#555;font-size:.9rem;line-height:1.7}

/* Community Module */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.community-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 12px rgba(0,0,0,.06);transition:transform .3s}
.community-card:hover{transform:translateY(-3px)}
.community-card .card-img{height:200px;overflow:hidden}
.community-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.community-card:hover .card-img img{transform:scale(1.05)}
.community-card .card-body{padding:16px}
.community-card h4{color:#6B2FA0;margin-bottom:6px}
.community-card p{font-size:.88rem;color:#666;line-height:1.6}

/* AI Module */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(135deg,#1a1a2e 0%,#2d1b4e 100%);border-radius:14px;padding:30px;color:#fff;text-align:center;transition:transform .3s}
.ai-card:hover{transform:translateY(-4px)}
.ai-card .ai-icon{font-size:2.5rem;margin-bottom:16px}
.ai-card h4{color:#F5A623;margin-bottom:10px;font-size:1.1rem}
.ai-card p{font-size:.88rem;line-height:1.7;color:#c8b8e0}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-info{background:#fff;border-radius:12px;padding:30px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.contact-info h4{color:#6B2FA0;margin-bottom:16px;font-size:1.1rem}
.contact-info p{margin-bottom:10px;color:#555;font-size:.92rem}
.contact-info .info-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}
.contact-info .info-label{font-weight:600;color:#1a1a2e;min-width:80px}

/* Share Buttons */
.share-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;color:#fff;font-size:.85rem;transition:transform .2s}
.share-btn:hover{transform:scale(1.05);color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin-share{background:#1a1a2e}
.share-btn.bilibili{background:#00a1d6}

/* Footer */
.site-footer{background:#1a1a2e;color:#a89cc8;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h5{color:#F5A623;margin-bottom:16px;font-size:1rem}
.footer-col a{display:block;color:#a89cc8;padding:4px 0;font-size:.88rem;transition:color .3s}
.footer-col a:hover{color:#F5A623}
.footer-col p{font-size:.85rem;line-height:1.7}
.footer-qr{display:flex;gap:20px;margin-top:12px}
.footer-qr img{width:100px;height:100px;border-radius:8px;border:2px solid #2d1b4e}
.footer-bottom{border-top:1px solid #2d1b4e;padding-top:20px;text-align:center;font-size:.82rem;color:#7a6b9a}
.footer-bottom a{color:#F5A623}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo img{height:36px}
.footer-logo span{color:#F5A623;font-weight:700;font-size:1.1rem}

/* How-To Guide */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.howto-step{text-align:center;padding:24px;background:#fff;border-radius:12px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.howto-step .step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#6B2FA0,#F5A623);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 14px}
.howto-step h4{color:#6B2FA0;margin-bottom:8px}
.howto-step p{font-size:.85rem;color:#666;line-height:1.6}

/* Partner Logos */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.partner-wall .partner-item{width:140px;height:80px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.06);padding:10px;transition:transform .3s}
.partner-wall .partner-item:hover{transform:scale(1.05)}

/* Media Section */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.media-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.media-card .media-img{height:220px;overflow:hidden;position:relative}
.media-card .media-img img{width:100%;height:100%;object-fit:cover}
.media-card .media-body{padding:16px}
.media-card h4{color:#1a1a2e;margin-bottom:6px}
.media-card p{font-size:.85rem;color:#666}

/* Tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}
.tag-cloud a{display:inline-block;padding:6px 16px;background:#f0ecf5;color:#6B2FA0;border-radius:20px;font-size:.82rem;transition:all .3s}
.tag-cloud a:hover{background:#6B2FA0;color:#fff}

/* Utility */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mt-30{margin-top:30px}
.mb-20{margin-bottom:20px}
.mb-30{margin-bottom:30px}

/* Back to Top */
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:linear-gradient(135deg,#6B2FA0,#F5A623);color:#fff;border:none;border-radius:50%;font-size:1.2rem;cursor:pointer;opacity:0;transition:opacity .3s;z-index:999;display:flex;align-items:center;justify-content:center}
.back-to-top.show{opacity:1}

/* MCP Service Block */
.mcp-block{background:#f9f5ff;border:1px solid #e0d6f0;border-radius:12px;padding:24px;margin-top:20px}
.mcp-block h5{color:#6B2FA0;margin-bottom:10px}
.mcp-block code{background:#1a1a2e;color:#F5A623;padding:12px;display:block;border-radius:8px;font-size:.82rem;overflow-x:auto;line-height:1.6}

/* Responsive */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.nav-toggle{display:block}
.main-nav{display:none;width:100%;flex-direction:column}
.main-nav.open{display:flex}
.main-nav a{padding:12px 20px;border-bottom:1px solid #2d1b4e}
.hero-banner{height:360px}
.hero-content h1{font-size:1.8rem}
.video-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:1fr}
.community-grid{grid-template-columns:1fr}
.ai-features{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.media-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.section{padding:40px 0}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.hero-content h1{font-size:1.4rem}
.search-box{flex-direction:column;border-radius:12px}
.search-box input{border-right:2px solid #6B2FA0;border-radius:12px 12px 0 0}
.search-box button{border-radius:0 0 12px 12px}
}

/* Lazy Load Placeholder */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

/* Contact Info Grid */
.contact-info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:30px}
.contact-item{background:#f9f5ff;border-radius:12px;padding:24px;border-left:4px solid #6B2FA0}
.contact-item h4{color:#6B2FA0;margin-bottom:8px;font-size:1.05rem}
.contact-item p{font-size:.9rem;color:#555;line-height:1.7;margin-bottom:6px}
@media(max-width:768px){.contact-info-grid{grid-template-columns:1fr}}

/* Interference tags hidden styles */
.dys-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;padding:0;margin:-1px}

/* Stats Bar */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:30px}
.stat-item{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 3px 12px rgba(0,0,0,.06);border-top:3px solid #6B2FA0;transition:transform .3s}
.stat-item:hover{transform:translateY(-3px)}
.stat-num{font-size:2rem;font-weight:700;color:#6B2FA0;margin-bottom:6px}
.stat-label{font-size:.88rem;color:#666}
@media(max-width:768px){.stats-bar{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats-bar{grid-template-columns:1fr}}

/* Video Description */
.video-desc{font-size:.82rem;color:#777;line-height:1.6;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Community Stats */
.community-stats{display:flex;gap:16px;margin-top:10px;padding-top:10px;border-top:1px solid #f0ecf5;font-size:.8rem;color:#999}
.community-stats span{display:flex;align-items:center;gap:4px}