/* ========================================
   抖阴 - 动物写真视频社区 原创样式
   主题：紫金奢华 | 域名：gsywsm.cn
   ======================================== */

/* === 基础重置 === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;color:#2d1b4e;background:#faf7ff;line-height:1.7}
a{text-decoration:none;color:inherit;transition:color .3s}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* === 隐藏干扰标签 === */
.drtag{position:absolute;left:-9999px;top:-9999px;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-1}

/* === 配色变量 === */
:root{
  --primary:#6B2FA0;
  --primary-light:#9B59B6;
  --primary-dark:#4A1A6B;
  --accent:#D4A843;
  --accent-light:#F0D68A;
  --bg-dark:#1A0E2E;
  --bg-card:#FFFFFF;
  --bg-section:#F3EEFF;
  --bg-alt:#FFF8F0;
  --text-main:#2D1B4E;
  --text-light:#7B6B8E;
  --text-white:#FFFFFF;
  --border:#E8D5F5;
  --shadow:0 4px 20px rgba(107,47,160,.12);
  --shadow-hover:0 8px 32px rgba(107,47,160,.2);
  --gradient:linear-gradient(135deg,#6B2FA0 0%,#9B59B6 50%,#D4A843 100%);
  --gradient-dark:linear-gradient(135deg,#1A0E2E 0%,#2D1854 100%);
}

/* === 顶部导航 === */
.site-header{background:var(--bg-dark);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.3)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:68px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:42px;width:auto}
.logo-wrap .brand-name{font-size:1.5rem;font-weight:700;color:var(--accent);letter-spacing:2px}
.main-nav{display:flex;gap:6px}
.main-nav a{color:var(--text-white);padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:var(--accent-light)}

/* === 搜索框 === */
.search-bar{background:var(--primary-dark);padding:14px 0}
.search-bar form{max-width:680px;margin:0 auto;display:flex;padding:0 20px}
.search-bar input{flex:1;padding:12px 20px;border:2px solid var(--primary-light);border-right:none;border-radius:30px 0 0 30px;font-size:1rem;background:#fff;color:var(--text-main);outline:none}
.search-bar input:focus{border-color:var(--accent)}
.search-bar button{padding:12px 28px;background:var(--gradient);color:#fff;border:none;border-radius:0 30px 30px 0;font-size:1rem;cursor:pointer;font-weight:600;transition:opacity .3s}
.search-bar button:hover{opacity:.85}

/* === Banner区域 === */
.hero-banner{position:relative;height:520px;overflow:hidden;background:var(--bg-dark)}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(26,14,46,.3),rgba(26,14,46,.85));display:flex;align-items:center;justify-content:center}
.hero-content{text-align:center;color:#fff;max-width:800px;padding:0 20px}
.hero-content h1{font-size:2.8rem;font-weight:800;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.hero-content h1 span{color:var(--accent)}
.hero-content p{font-size:1.15rem;line-height:1.8;opacity:.92;margin-bottom:24px}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:14px 36px;background:var(--gradient);color:#fff;border-radius:30px;font-weight:600;font-size:1.05rem;transition:transform .3s,box-shadow .3s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-outline{display:inline-block;padding:14px 36px;border:2px solid var(--accent);color:var(--accent);border-radius:30px;font-weight:600;font-size:1.05rem;transition:all .3s}
.btn-outline:hover{background:var(--accent);color:var(--bg-dark)}

/* === 通用区块 === */
.section{padding:60px 20px}
.section-inner{max-width:1280px;margin:0 auto}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;font-weight:700;color:var(--primary-dark);margin-bottom:10px}
.section-title h2 span{color:var(--accent)}
.section-title p{color:var(--text-light);font-size:1.05rem}
.bg-purple{background:var(--bg-section)}
.bg-dark{background:var(--gradient-dark);color:var(--text-white)}
.bg-dark .section-title h2{color:var(--accent-light)}
.bg-dark .section-title p{color:rgba(255,255,255,.7)}
.bg-warm{background:var(--bg-alt)}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.video-card{background:var(--bg-card);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#1a0e2e}
.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(1.08)}
.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}
.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 .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:.8rem}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;font-weight:600;color:var(--text-main);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;color:var(--text-light);font-size:.82rem}
.video-tag{display:inline-block;background:var(--bg-section);color:var(--primary);padding:2px 10px;border-radius:12px;font-size:.78rem;margin-top:6px}

/* === 分类标签栏 === */
.tab-bar{display:flex;gap:10px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.tab-bar a{padding:8px 22px;border-radius:20px;background:var(--bg-card);color:var(--text-main);border:1px solid var(--border);font-size:.92rem;transition:all .3s}
.tab-bar a:hover,.tab-bar a.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* === 专家卡片 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:var(--bg-card);border-radius:14px;padding:28px 20px;text-align:center;box-shadow:var(--shadow);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 14px;border:3px solid var(--accent)}
.expert-card h4{font-size:1.1rem;color:var(--primary-dark);margin-bottom:4px}
.expert-card .title{color:var(--accent);font-size:.88rem;margin-bottom:10px}
.expert-card p{color:var(--text-light);font-size:.88rem;line-height:1.6}
.expert-card .btn-sm{display:inline-block;margin-top:12px;padding:6px 20px;background:var(--gradient);color:#fff;border-radius:20px;font-size:.85rem}

/* === FAQ区域 === */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--bg-card);border-radius:10px;margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden}
.faq-q{padding:18px 24px;font-weight:600;color:var(--primary-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1.02rem}
.faq-q::after{content:'+';font-size:1.4rem;color:var(--accent);transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px 18px;color:var(--text-light);font-size:.95rem;line-height:1.7;display:none}
.faq-item.open .faq-a{display:block}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:var(--bg-card);border-radius:14px;padding:24px;box-shadow:var(--shadow)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.2rem}
.review-name{font-weight:600;color:var(--primary-dark)}
.review-stars{color:var(--accent);font-size:.9rem}
.review-text{color:var(--text-light);font-size:.95rem;line-height:1.7}
.review-date{color:#aaa;font-size:.82rem;margin-top:8px}

/* === 合作品牌墙 === */
.brand-wall{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;align-items:center}
.brand-wall img{height:48px;opacity:.6;transition:opacity .3s;filter:grayscale(1)}
.brand-wall img:hover{opacity:1;filter:none}

/* === 社区频道 === */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{background:var(--bg-card);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:transform .3s}
.channel-card:hover{transform:translateY(-4px)}
.channel-card img{width:100%;height:200px;object-fit:cover}
.channel-card .info{padding:16px}
.channel-card h4{font-size:1.05rem;color:var(--primary-dark);margin-bottom:6px}
.channel-card p{color:var(--text-light);font-size:.88rem}
.channel-card .stats{display:flex;gap:16px;margin-top:10px;color:var(--text-light);font-size:.82rem}

/* === AI赋能 === */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:var(--bg-card);border-radius:14px;padding:32px 24px;text-align:center;box-shadow:var(--shadow);transition:transform .3s}
.ai-card:hover{transform:translateY(-4px)}
.ai-icon{width:64px;height:64px;margin:0 auto 16px;background:var(--gradient);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.ai-card h4{font-size:1.1rem;color:var(--primary-dark);margin-bottom:8px}
.ai-card p{color:var(--text-light);font-size:.9rem;line-height:1.6}

/* === How-To指南 === */
.howto-steps{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.howto-step{display:flex;gap:20px;align-items:flex-start;background:var(--bg-card);padding:24px;border-radius:14px;box-shadow:var(--shadow)}
.step-num{width:48px;height:48px;min-width:48px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.3rem}
.step-content h4{font-size:1.05rem;color:var(--primary-dark);margin-bottom:6px}
.step-content p{color:var(--text-light);font-size:.92rem}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.contact-info{background:var(--bg-card);border-radius:14px;padding:32px;box-shadow:var(--shadow)}
.contact-info h3{font-size:1.3rem;color:var(--primary-dark);margin-bottom:16px}
.contact-item{display:flex;gap:12px;margin-bottom:14px;color:var(--text-light);font-size:.95rem}
.contact-item strong{color:var(--text-main)}
.qrcode-wrap{display:flex;gap:24px;margin-top:20px}
.qrcode-wrap img{width:140px;height:140px;border-radius:10px;border:2px solid var(--border)}
.qrcode-wrap .label{text-align:center;font-size:.85rem;color:var(--text-light);margin-top:6px}

/* === 页脚 === */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.7);padding:48px 20px 24px}
.footer-inner{max-width:1280px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-bottom:32px}
.footer-col h4{color:var(--accent);font-size:1.05rem;margin-bottom:14px}
.footer-col a{display:block;color:rgba(255,255,255,.6);font-size:.9rem;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:var(--accent-light)}
.footer-col p{font-size:.88rem;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:.85rem}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-logo img{height:36px}
.footer-logo span{font-size:1.2rem;font-weight:700;color:var(--accent)}

/* === 面包屑 === */
.breadcrumb{padding:12px 20px;background:var(--bg-section);font-size:.88rem;color:var(--text-light)}
.breadcrumb-inner{max-width:1280px;margin:0 auto}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{color:var(--accent)}

/* === 分享按钮 === */
.share-bar{display:flex;gap:12px;justify-content:center;margin-top:24px}
.share-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.9rem;transition:transform .3s}
.share-btn:hover{transform:scale(1.1)}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#000}
.share-bilibili{background:#00A1D6}

/* === 内页通用 === */
.page-hero{background:var(--gradient-dark);padding:48px 20px;text-align:center;color:#fff}
.page-hero h1{font-size:2.2rem;font-weight:700;margin-bottom:10px}
.page-hero p{opacity:.8;font-size:1.05rem}
.page-content{max-width:1280px;margin:0 auto;padding:40px 20px}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.article-card{background:var(--bg-card);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:transform .3s}
.article-card:hover{transform:translateY(-4px)}
.article-card img{width:100%;height:220px;object-fit:cover}
.article-card .content{padding:20px}
.article-card h3{font-size:1.1rem;color:var(--primary-dark);margin-bottom:8px}
.article-card p{color:var(--text-light);font-size:.9rem;line-height:1.6}

/* === 响应式 === */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{flex-direction:column;height:auto;padding:12px 20px;gap:10px}
  .main-nav{flex-wrap:wrap;justify-content:center}
  .main-nav a{padding:6px 12px;font-size:.85rem}
  .hero-banner{height:380px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.95rem}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .expert-grid{grid-template-columns:1fr}
  .ai-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .article-list{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .section{padding:40px 16px}
  .section-title h2{font-size:1.5rem}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .hero-banner{height:300px}
  .hero-content h1{font-size:1.5rem}
  .btn-primary,.btn-outline{padding:10px 24px;font-size:.92rem}
}