/* ============================================
   抖阴 - 动物写真与视频社区 全站样式
   品牌色系：琥珀金 #C8860A / 深炭 #1A1A2E / 暖白 #FAFAF5
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{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","WenQuanYi Micro Hei",sans-serif;color:#2D2D3A;background:#FAFAF5;line-height:1.75;overflow-x:hidden}
a{color:#C8860A;text-decoration:none;transition:color .3s}
a:hover{color:#A06A08}
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}

/* --- Header / Navigation --- */
.site-header{background:#1A1A2E;position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:68px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:42px;height:42px;border-radius:50%}
.logo-wrap span{font-size:1.35rem;font-weight:800;color:#C8860A;letter-spacing:1px}
.main-nav{display:flex;gap:4px}
.main-nav a{color:#E8E8EC;font-size:.92rem;padding:8px 14px;border-radius:6px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#C8860A;color:#fff}
.nav-toggle{display:none;background:none;border:none;color:#C8860A;font-size:1.6rem;cursor:pointer}

/* --- Search Bar --- */
.search-bar{background:#F0EDE4;padding:14px 0;border-bottom:1px solid #E0DDD4}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;width:100%;max-width:600px;border-radius:28px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.search-box input{flex:1;border:none;padding:12px 22px;font-size:.95rem;background:#fff;outline:none}
.search-box button{background:#C8860A;color:#fff;border:none;padding:0 28px;font-size:.95rem;cursor:pointer;transition:background .3s}
.search-box button:hover{background:#A06A08}

/* --- Hero Banner --- */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;max-width:780px;padding:0 20px}
.hero-content h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 3px 12px rgba(0,0,0,.5)}
.hero-content p{font-size:1.15rem;line-height:1.8;text-shadow:0 2px 6px rgba(0,0,0,.4)}
.hero-content .btn-primary{display:inline-block;margin-top:24px;padding:14px 42px;background:#C8860A;color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;transition:all .3s;box-shadow:0 4px 16px rgba(200,134,10,.35)}
.hero-content .btn-primary:hover{background:#A06A08;transform:translateY(-2px)}

/* --- Section Common --- */
.section{padding:60px 0}
.section-alt{background:#F0EDE4}
.section-dark{background:#1A1A2E;color:#E8E8EC}
.section-dark h2,.section-dark h3{color:#C8860A}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:#C8860A;margin:10px auto 0}
.section-title p{color:#6B6B7B;font-size:1rem;max-width:640px;margin:0 auto}

/* --- Video Card Grid --- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.07);transition:transform .3s,box-shadow .3s;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 28px rgba(0,0,0,.12)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#222}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.3)}
.video-card:hover .play-btn{opacity:1}
.play-btn span{width:56px;height:56px;background:rgba(200,134,10,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0}
.play-btn span::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-info{padding:16px}
.video-info h3{font-size:1.05rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:16px;font-size:.82rem;color:#8E8E9E}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#FFF3DC;color:#C8860A;font-size:.75rem;padding:2px 10px;border-radius:12px;margin-top:8px}

/* --- Expert Cards --- */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
.expert-card{background:#fff;border-radius:14px;padding:28px 22px;text-align:center;box-shadow:0 4px 18px rgba(0,0,0,.06);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 #C8860A}
.expert-card h4{font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:#C8860A;font-size:.88rem;margin-bottom:12px}
.expert-card p{font-size:.88rem;color:#6B6B7B;margin-bottom:16px}
.expert-card .btn-sm{display:inline-block;padding:8px 22px;border:1px solid #C8860A;color:#C8860A;border-radius:20px;font-size:.85rem;transition:all .3s}
.expert-card .btn-sm:hover{background:#C8860A;color:#fff}

/* --- FAQ Section --- */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid #E0DDD4;padding:18px 0}
.faq-question{font-weight:600;font-size:1.05rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#1A1A2E}
.faq-question::after{content:'+';font-size:1.4rem;color:#C8860A;transition:transform .3s}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;color:#6B6B7B;font-size:.95rem;line-height:1.7}
.faq-item.open .faq-answer{max-height:300px;padding-top:12px}

/* --- Reviews --- */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 3px 14px rgba(0,0,0,.06)}
.review-card .stars{color:#C8860A;font-size:1.1rem;margin-bottom:10px}
.review-card p{font-size:.92rem;color:#4A4A5A;line-height:1.7;margin-bottom:14px}
.review-card .reviewer{display:flex;align-items:center;gap:10px;font-size:.85rem;color:#8E8E9E}
.review-card .reviewer strong{color:#2D2D3A}

/* --- Community Grid --- */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.community-item{background:#fff;border-radius:12px;overflow:hidden;text-align:center;box-shadow:0 3px 12px rgba(0,0,0,.06);transition:transform .3s}
.community-item:hover{transform:translateY(-4px)}
.community-item img{width:100%;height:150px;object-fit:cover}
.community-item h4{padding:14px 10px;font-size:.95rem}

/* --- AI Feature --- */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px}
.ai-card{background:linear-gradient(135deg,#1A1A2E 0%,#2D2D4A 100%);border-radius:14px;padding:32px 26px;color:#E8E8EC;box-shadow:0 6px 24px rgba(0,0,0,.15)}
.ai-card h3{color:#C8860A;font-size:1.2rem;margin-bottom:12px}
.ai-card p{font-size:.92rem;line-height:1.7;color:#B8B8C8}

/* --- Contact Section --- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}
.contact-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 3px 14px rgba(0,0,0,.06);text-align:center}
.contact-card h4{color:#1A1A2E;font-size:1.1rem;margin-bottom:12px}
.contact-card p{font-size:.9rem;color:#6B6B7B;line-height:1.7}
.contact-card img{width:160px;height:160px;margin:12px auto;border-radius:8px}

/* --- Share Buttons --- */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:22px;font-size:.88rem;color:#fff;transition:opacity .3s}
.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}

/* --- Footer --- */
.site-footer{background:#111122;color:#9A9AB0;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;padding-bottom:32px;border-bottom:1px solid #2A2A3E}
.footer-col h4{color:#C8860A;font-size:1rem;margin-bottom:16px}
.footer-col p,.footer-col a{font-size:.88rem;color:#9A9AB0;line-height:1.9}
.footer-col a:hover{color:#C8860A}
.footer-col img{border-radius:8px}
.footer-bottom{text-align:center;padding:22px 0;font-size:.82rem;color:#6A6A80}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo img{width:38px;height:38px;border-radius:50%}
.footer-logo span{color:#C8860A;font-weight:700;font-size:1.15rem}

/* --- Breadcrumb --- */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#8E8E9E}
.breadcrumb a{color:#C8860A}
.breadcrumb span{margin:0 6px}

/* --- How-To Guide --- */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;counter-reset:step}
.howto-step{background:#fff;border-radius:12px;padding:28px 22px;box-shadow:0 3px 14px rgba(0,0,0,.06);position:relative;counter-increment:step}
.howto-step::before{content:counter(step);position:absolute;top:-14px;left:22px;width:32px;height:32px;background:#C8860A;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem}
.howto-step h4{margin-bottom:8px;padding-top:6px}
.howto-step p{font-size:.9rem;color:#6B6B7B}

/* --- Partner Logos --- */
.partner-wall{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;align-items:center}
.partner-wall img{height:50px;filter:grayscale(1);opacity:.6;transition:all .3s}
.partner-wall img:hover{filter:grayscale(0);opacity:1}

/* --- Pagination / Tags --- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-cloud a{background:#FFF3DC;color:#C8860A;padding:6px 18px;border-radius:18px;font-size:.85rem;transition:all .3s}
.tag-cloud a:hover{background:#C8860A;color:#fff}

/* --- Utility --- */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mt-40{margin-top:40px}
.mb-20{margin-bottom:20px}
.hidden{display:none!important}

/* --- Interference tags container --- */
.dg-noise{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}

/* --- Responsive --- */
@media(max-width:768px){
  .header-inner{padding:0 14px}
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#1A1A2E;flex-direction:column;padding:16px;gap:4px;box-shadow:0 8px 20px rgba(0,0,0,.3)}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero-banner{height:360px}
  .hero-content h1{font-size:1.7rem}
  .hero-content p{font-size:.95rem}
  .section{padding:40px 0}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .expert-grid{grid-template-columns:1fr 1fr}
  .ai-features{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .expert-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
}

/* --- Video Element in Video Card --- */
.video-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb video{transform:scale(1.06)}

/* --- Privacy Policy Page --- */
.privacy-content{max-width:800px;margin:0 auto}
.privacy-content h2{font-size:1.3rem;margin:28px 0 12px;color:#1A1A2E;border-left:4px solid #C8860A;padding-left:12px}
.privacy-content p{font-size:.95rem;color:#4A4A5A;line-height:1.8;margin-bottom:12px}

/* --- EEAT Trust Section --- */
.eeat-trust{background:#F8F6F0;border-radius:14px;padding:32px 28px}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.trust-item{background:#fff;border-radius:10px;padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.trust-item h5{color:#C8860A;font-size:1rem;margin-bottom:8px}
.trust-item p{font-size:.88rem;color:#6B6B7B;line-height:1.7}

/* --- Publish Time --- */
.publish-time{display:block;font-size:.8rem;color:#8E8E9E;margin-top:6px}

/* --- Data Stats Grid --- */
.data-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;margin:30px 0}
.stat-item{text-align:center;padding:20px;background:#fff;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.stat-item .num{font-size:2rem;font-weight:800;color:#C8860A;display:block}
.stat-item .label{font-size:.88rem;color:#6B6B7B;margin-top:4px}