/* ===== 91 - 动物写真视频社区 原创CSS ===== */
/* 主色调：森林绿 #2D7D46 + 大地棕 #8B6914 + 天空蓝 #3A8FBF */
:root{--primary:#2D7D46;--primary-light:#4CAF50;--primary-dark:#1B5E20;--secondary:#8B6914;--secondary-light:#D4A843;--accent:#3A8FBF;--accent-light:#64B5F6;--bg:#FAFDF7;--bg-alt:#F0F7EC;--bg-dark:#1A2E1A;--text:#2C3E2C;--text-light:#5A6B5A;--text-white:#FFFFFF;--border:#D5E8D0;--shadow:0 2px 12px rgba(45,125,70,0.10);--shadow-lg:0 8px 32px rgba(45,125,70,0.15);--radius:10px;--radius-lg:18px;--transition:all .3s ease}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 公告栏 === */
.announce-bar{background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;text-align:center;padding:8px 16px;font-size:14px}
.announce-bar a{color:#FFD54F;font-weight:600}

/* === 头部导航 === */
.site-header{background:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.site-logo img{height:48px;width:auto}
.main-nav{display:flex;gap:4px;align-items:center}
.main-nav a{padding:8px 14px;border-radius:6px;font-size:15px;font-weight:500;color:var(--text);transition:var(--transition)}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:#fff}
.mobile-menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text)}

/* === 搜索栏 === */
.search-bar{background:var(--bg-alt);padding:12px 0;border-bottom:1px solid var(--border)}
.search-box{display:flex;max-width:600px;margin:0 auto;gap:0}
.search-box input{flex:1;padding:10px 18px;border:2px solid var(--border);border-right:none;border-radius:var(--radius) 0 0 var(--radius);font-size:15px;outline:none;transition:var(--transition)}
.search-box input:focus{border-color:var(--primary)}
.search-box button{padding:10px 24px;background:var(--primary);color:#fff;border:none;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;font-size:15px;transition:var(--transition)}
.search-box button:hover{background:var(--primary-dark)}

/* === Hero Banner === */
.hero-section{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,46,26,0.82),rgba(45,125,70,0.55))}
.hero-content{position:relative;z-index:2;color:#fff;max-width:700px;padding:60px 0}
.hero-content h1{font-size:42px;font-weight:800;margin-bottom:16px;line-height:1.25;text-shadow:0 2px 8px rgba(0,0,0,0.3)}
.hero-content p{font-size:18px;margin-bottom:28px;opacity:.92;line-height:1.7}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-btns a{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius);font-weight:600;font-size:16px;transition:var(--transition)}
.hero-btns .btn-primary{background:#fff;color:var(--primary)}
.hero-btns .btn-primary:hover{background:var(--secondary-light);color:#fff}
.hero-btns .btn-outline{border:2px solid #fff;color:#fff}
.hero-btns .btn-outline:hover{background:#fff;color:var(--primary)}
.hero-stats{display:flex;gap:36px;margin-top:32px}
.hero-stat-item{text-align:center}
.hero-stat-num{font-size:28px;font-weight:800;display:block}
.hero-stat-label{font-size:13px;opacity:.8}

/* === 通用标题 === */
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;font-weight:700;color:var(--text);margin-bottom:10px}
.section-title p{font-size:16px;color:var(--text-light);max-width:600px;margin:0 auto}
section{padding:60px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--bg-dark);color:#fff}
.section-dark .section-title h2{color:#fff}
.section-dark .section-title p{color:rgba(255,255,255,.7)}
.section-more{text-align:center;margin-top:32px}
.section-more a{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;background:var(--primary);color:#fff;border-radius:var(--radius);font-weight:600;transition:var(--transition)}
.section-more a:hover{background:var(--primary-dark);color:#fff}

/* === 视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(45,125,70,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--transition);opacity:0}
.video-play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card:hover .video-play-btn{transform:translate(-50%,-50%) scale(1);opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600}
.video-quality{position:absolute;top:8px;left:8px;background:var(--primary);color:#fff;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700}
.video-tag{position:absolute;top:8px;right:8px;background:var(--secondary);color:#fff;padding:2px 8px;border-radius:4px;font-size:11px}
.video-info{padding:14px}
.video-info h3{font-size:15px;font-weight:600;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-light)}

/* === 分类标签 === */
.category-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.category-tabs span{padding:8px 20px;border-radius:20px;font-size:14px;cursor:pointer;transition:var(--transition);border:1px solid var(--border);color:var(--text-light)}
.category-tabs span:hover,.category-tabs span.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* === 娱乐专区 === */
.entertainment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.entertainment-card{background:#fff;border-radius:var(--radius-lg);padding:28px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.entertainment-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.ent-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--primary-light),var(--accent));display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px}
.entertainment-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.entertainment-card p{font-size:14px;color:var(--text-light);line-height:1.6}

/* === AI赋能 === */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(135deg,#1A2E1A,#2D4A2D);border-radius:var(--radius-lg);padding:32px;color:#fff;transition:var(--transition)}
.ai-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,0.3)}
.ai-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary-light),var(--accent));display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px}
.ai-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.ai-card p{font-size:14px;opacity:.85;line-height:1.7}

/* === 社区功能 === */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.community-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.community-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.community-card img{width:100%;height:180px;object-fit:cover}
.community-card .card-body{padding:18px}
.community-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.community-card p{font-size:14px;color:var(--text-light);line-height:1.6}

/* === 专家团队 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:var(--radius-lg);padding:28px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.expert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.expert-avatar{width:96px;height:96px;border-radius:50%;margin:0 auto 14px;overflow:hidden;border:3px solid var(--primary-light)}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:17px;font-weight:600;margin-bottom:4px}
.expert-role{font-size:13px;color:var(--primary);font-weight:500;margin-bottom:8px}
.expert-exp{font-size:13px;color:var(--text-light);margin-bottom:10px}
.expert-awards{font-size:12px;color:var(--secondary);margin-bottom:12px}
.expert-links{display:flex;gap:8px;justify-content:center}
.expert-links a{padding:6px 14px;border-radius:6px;font-size:12px;font-weight:500;transition:var(--transition)}
.expert-links .btn-sm-primary{background:var(--primary);color:#fff}
.expert-links .btn-sm-outline{border:1px solid var(--primary);color:var(--primary)}
.expert-links a:hover{opacity:.85}

/* === 合作品牌墙 === */
.partner-wall{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;align-items:center}
.partner-item{background:#fff;padding:16px 28px;border-radius:var(--radius);box-shadow:var(--shadow);font-size:15px;font-weight:600;color:var(--text-light);transition:var(--transition)}
.partner-item:hover{box-shadow:var(--shadow-lg);color:var(--primary)}

/* === HowTo步骤 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{background:#fff;border-radius:var(--radius-lg);padding:28px;text-align:center;box-shadow:var(--shadow);position:relative;counter-increment:step}
.howto-step::before{content:counter(step);width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:0 auto 14px}
.howto-step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.howto-step p{font-size:14px;color:var(--text-light)}

/* === 新闻动态 === */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{box-shadow:var(--shadow-lg)}
.news-date{font-size:12px;color:var(--primary);font-weight:600;margin-bottom:8px}
.news-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.news-card p{font-size:14px;color:var(--text-light);line-height:1.6}
.news-link{color:var(--primary);font-size:13px;font-weight:500;margin-top:10px;display:inline-block}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden}
.faq-question{padding:18px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question::after{content:'+';font-size:22px;font-weight:300;transition:var(--transition)}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{font-size:14px;color:var(--text-light);line-height:1.7}

/* === 用户评价 === */
.review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.review-card{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.review-name{font-weight:600;font-size:15px}
.review-date{font-size:12px;color:var(--text-light)}
.review-stars{color:#FFB300;font-size:14px;margin-bottom:8px}
.review-text{font-size:14px;color:var(--text-light);line-height:1.6}

/* === 荣誉资质 === */
.awards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.award-card{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.award-icon{font-size:36px;margin-bottom:12px}
.award-card h4{font-size:15px;font-weight:600;margin-bottom:6px}
.award-card p{font-size:13px;color:var(--text-light)}

/* === 数据统计条 === */
.stats-bar{background:linear-gradient(135deg,var(--primary),var(--accent));padding:40px 0;color:#fff}
.stats-bar .container{display:flex;justify-content:space-around;flex-wrap:wrap;gap:20px}
.stat-item{text-align:center}
.stat-number{font-size:36px;font-weight:800;display:block}
.stat-label{font-size:14px;opacity:.85}

/* === 联系信息 === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.contact-item{background:#fff;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow)}
.contact-icon{font-size:28px;margin-bottom:12px}
.contact-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.contact-item p{font-size:14px;color:var(--text-light);line-height:1.7}
.contact-info-card{background:var(--bg-alt);border-radius:var(--radius);padding:16px;margin-top:12px}

/* === 二维码 === */
.qrcode-group{display:flex;gap:32px;justify-content:center;flex-wrap:wrap}
.qrcode-item{text-align:center}
.qrcode-item img{width:160px;height:160px;border-radius:var(--radius);margin-bottom:8px}
.qrcode-item p{font-size:13px;color:var(--text-light)}

/* === 分享按钮 === */
.share-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:13px;font-weight:500;color:#fff;transition:var(--transition)}
.share-btn:hover{opacity:.85;color:#fff;transform:translateY(-2px)}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}
.share-qq{background:#12B7F5}

/* === 页脚 === */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.8);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:12px;opacity:.8}
.footer-col h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:4px 0;transition:var(--transition)}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:13px;color:var(--text-light)}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{margin:0 6px;opacity:.5}

/* === 内页内容 === */
.page-content{padding:40px 0 60px}
.page-content h1{font-size:32px;font-weight:700;margin-bottom:20px}
.page-content h2{font-size:24px;font-weight:600;margin:28px 0 14px;color:var(--primary-dark)}
.page-content p{font-size:15px;line-height:1.8;margin-bottom:16px;color:var(--text)}
.page-content ul,.page-content ol{margin:12px 0 16px 24px}
.page-content li{margin-bottom:8px;font-size:15px;line-height:1.7}

/* === 返回顶部 === */
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--primary);color:#fff;border:none;border-radius:50%;font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transition:var(--transition);z-index:999;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--primary-dark);transform:translateY(-3px)}

/* === 时间线 === */
.timeline{max-width:700px;margin:0 auto;position:relative;padding-left:30px}
.timeline::before{content:'';position:absolute;left:10px;top:0;bottom:0;width:2px;background:var(--primary-light)}
.timeline-item{position:relative;margin-bottom:28px;padding-left:24px}
.timeline-dot{position:absolute;left:-24px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:2px solid #fff;box-shadow:0 0 0 2px var(--primary)}
.timeline-content h4{font-size:16px;font-weight:600;margin-bottom:4px}
.timeline-content p{font-size:14px;color:var(--text-light)}

/* === 错误页 === */
.error-page{text-align:center;padding:100px 20px}
.error-page h1{font-size:80px;font-weight:800;color:var(--primary);margin-bottom:16px}
.error-page p{font-size:18px;color:var(--text-light);margin-bottom:28px}

/* === 响应式 === */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:repeat(2,1fr)}
.awards-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.main-nav{display:none;width:100%;flex-direction:column;gap:0;padding-top:10px}
.main-nav.active{display:flex}
.main-nav a{padding:10px 14px;border-radius:0;border-bottom:1px solid var(--border)}
.mobile-menu-btn{display:block}
.hero-content h1{font-size:28px}
.hero-content p{font-size:15px}
.hero-stats{flex-direction:column;gap:16px}
.video-grid{grid-template-columns:repeat(2,1fr)}
.entertainment-grid{grid-template-columns:1fr}
.ai-features{grid-template-columns:1fr}
.community-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.section-title h2{font-size:24px}
.footer-grid{grid-template-columns:1fr}
.stats-bar .container{flex-direction:column;align-items:center}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.hero-btns{flex-direction:column}
.hero-btns a{text-align:center;justify-content:center}
}

/* === 干扰标签隐藏 === */
div[id^="x_"],div[class^="x_"]{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}
