/* ============================================
   抖阴动物写真视频社区 - 原创样式表
   配色方案: 森林绿#2D6A4F 琥珀金#D4A843 暖棕#8B6914 象牙白#FEFAE0 深炭#1B1B1B
   ============================================ */

/* === 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','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',sans-serif;color:#2c2c2c;background:#FEFAE0;line-height:1.75}
a{color:#2D6A4F;text-decoration:none;transition:color .3s}
a:hover{color:#D4A843}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* === 顶部导航 === */
.site-header{background:linear-gradient(135deg,#1B1B1B 0%,#2D6A4F 100%);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}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:42px;width:auto;border-radius:8px}
.site-logo span{font-size:1.4rem;font-weight:700;color:#D4A843;letter-spacing:1px}
.main-nav{display:flex;gap:4px}
.main-nav a{color:#e8e0cc;padding:8px 14px;border-radius:6px;font-size:.95rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:rgba(212,168,67,.2);color:#D4A843}
.mobile-menu-btn{display:none;background:none;border:none;color:#D4A843;font-size:1.5rem;cursor:pointer}

/* === 搜索框 === */
.search-bar{background:#f5f0dc;padding:12px 0;border-bottom:1px solid #e0d8b8}
.search-inner{max-width:680px;margin:0 auto;padding:0 20px;display:flex;gap:8px}
.search-inner input{flex:1;padding:10px 16px;border:2px solid #2D6A4F;border-radius:25px;font-size:.95rem;background:#fff;outline:none;transition:border-color .3s}
.search-inner input:focus{border-color:#D4A843}
.search-inner button{padding:10px 24px;background:linear-gradient(135deg,#2D6A4F,#3a8a6a);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:.95rem;transition:transform .2s}
.search-inner button:hover{transform:scale(1.05)}

/* === Banner区域 === */
.hero-banner{position:relative;height:520px;overflow:hidden;background:#1B1B1B}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:linear-gradient(to bottom,rgba(27,27,27,.3),rgba(45,106,79,.5))}
.hero-overlay h1{font-size:2.8rem;color:#D4A843;text-shadow:2px 2px 8px rgba(0,0,0,.6);margin-bottom:12px}
.hero-overlay p{font-size:1.15rem;color:#FEFAE0;max-width:700px;text-shadow:1px 1px 4px rgba(0,0,0,.5);line-height:1.8}
.hero-tags{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;justify-content:center}
.hero-tags span{background:rgba(212,168,67,.25);color:#D4A843;padding:6px 16px;border-radius:20px;font-size:.85rem;border:1px solid rgba(212,168,67,.4)}

/* === EEAT信任栏 === */
.eeat-bar{background:linear-gradient(90deg,#2D6A4F,#3a8a6a);padding:14px 0;text-align:center}
.eeat-badges{display:flex;justify-content:center;gap:30px;flex-wrap:wrap;max-width:1280px;margin:0 auto;padding:0 20px}
.eeat-badges span{color:#FEFAE0;font-size:.88rem;display:flex;align-items:center;gap:6px}
.eeat-badges span::before{content:'';display:inline-block;width:8px;height:8px;background:#D4A843;border-radius:50%}

/* === 通用容器 === */
.container{max-width:1280px;margin:0 auto;padding:0 20px}

/* === 区块标题 === */
.section-title{text-align:center;margin:50px 0 35px}
.section-title h2{font-size:2rem;color:#1B1B1B;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,#2D6A4F,#D4A843);border-radius:2px}
.section-title p{color:#666;margin-top:10px;font-size:.95rem}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;padding:0 0 40px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 28px rgba(45,106,79,.15)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:4/3}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(27,27,27,.4)}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';width:56px;height:56px;background:rgba(212,168,67,.9);border-radius:50%;position:relative}
.play-btn::before{content:'';position:absolute;z-index:1;width:0;height:0;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;left:50%;top:50%;transform:translate(-40%,-50%)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.78rem}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;color:#1B1B1B;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;color:#888;font-size:.82rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{background:#f0ead2;color:#2D6A4F;padding:2px 10px;border-radius:12px;font-size:.75rem}

/* === 分类标签栏 === */
.category-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.category-tabs span{padding:8px 20px;border-radius:25px;cursor:pointer;font-size:.9rem;border:1px solid #d0c8a0;color:#666;transition:all .3s;background:#fff}
.category-tabs span:hover,.category-tabs span.active{background:linear-gradient(135deg,#2D6A4F,#3a8a6a);color:#fff;border-color:#2D6A4F}

/* === 模块区块 === */
.module-section{padding:40px 0}
.module-section:nth-child(even){background:#f5f0dc}
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.module-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .3s}
.module-card:hover{transform:translateY(-4px)}
.module-card h3{color:#2D6A4F;font-size:1.15rem;margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid #f0ead2}
.module-card p{color:#555;font-size:.92rem;line-height:1.7}
.module-icon{font-size:2rem;margin-bottom:12px;display:block}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:100%;height:220px;object-fit:cover}
.expert-card .expert-info{padding:18px}
.expert-card h4{color:#1B1B1B;font-size:1.05rem;margin-bottom:4px}
.expert-card .role{color:#2D6A4F;font-size:.85rem;margin-bottom:8px}
.expert-card p{color:#666;font-size:.85rem;line-height:1.6}
.expert-card .expert-links{margin-top:12px;display:flex;gap:8px;justify-content:center}
.expert-card .expert-links a{padding:6px 14px;border-radius:20px;font-size:.82rem;border:1px solid #2D6A4F;color:#2D6A4F;transition:all .3s}
.expert-card .expert-links a:hover{background:#2D6A4F;color:#fff}

/* === FAQ === */
.faq-section{padding:40px 0}
.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-question{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1B1B1B;transition:background .3s}
.faq-question:hover{background:#f5f0dc}
.faq-question::after{content:'+';font-size:1.4rem;color:#2D6A4F;transition:transform .3s}
.faq-item.open .faq-question::after{content:'-';transform:rotate(180deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#555;line-height:1.7;font-size:.92rem}
.faq-item.open .faq-answer{max-height:300px;padding:0 20px 16px}

/* === 用户评论 === */
.reviews-section{padding:40px 0;background:#f5f0dc}
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:12px;padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#2D6A4F,#D4A843);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#1B1B1B}
.review-date{font-size:.78rem;color:#999}
.review-stars{color:#D4A843;margin-bottom:8px;font-size:.9rem}
.review-text{color:#555;font-size:.9rem;line-height:1.7}

/* === 联系我们 === */
.contact-section{padding:40px 0}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.contact-card h4{color:#2D6A4F;margin-bottom:8px}
.contact-card p{color:#666;font-size:.9rem}
.contact-card img{width:140px;margin:12px auto 0;border-radius:8px}

/* === 合作品牌墙 === */
.partner-wall{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.partner-wall .partner-item{width:120px;height:60px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.06);color:#888;font-size:.85rem}

/* === 页脚 === */
.site-footer{background:linear-gradient(135deg,#1B1B1B 0%,#2D2D2D 100%);color:#b0a88c;padding:40px 0 0}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{color:#D4A843;font-size:1rem;margin-bottom:14px}
.footer-col p,.footer-col a{color:#b0a88c;font-size:.88rem;line-height:1.8}
.footer-col a:hover{color:#D4A843}
.footer-col img{border-radius:8px;margin-top:8px}
.footer-links{display:flex;flex-direction:column;gap:4px}
.footer-bottom{text-align:center;padding:18px 0;font-size:.82rem;color:#777}
.footer-bottom a{color:#D4A843}
.footer-icp{margin-top:6px;font-size:.78rem;color:#666}

/* === 面包屑 === */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#2D6A4F}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === 内页通用 === */
.page-banner{background:linear-gradient(135deg,#2D6A4F,#1B1B1B);padding:50px 0;text-align:center}
.page-banner h1{color:#D4A843;font-size:2.2rem;margin-bottom:8px}
.page-banner p{color:#e8e0cc;font-size:1rem}
.page-content{padding:40px 0;max-width:1000px;margin:0 auto}
.page-content h2{color:#2D6A4F;font-size:1.6rem;margin:30px 0 14px;padding-bottom:8px;border-bottom:2px solid #f0ead2}
.page-content h3{color:#1B1B1B;font-size:1.2rem;margin:20px 0 10px}
.page-content p{color:#444;margin-bottom:14px;line-height:1.8}

/* === 视频弹窗 === */
.video-modal{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.85);align-items:center;justify-content:center}
.video-modal.active{display:flex}
.video-modal-content{width:90%;max-width:800px;background:#000;border-radius:12px;overflow:hidden;position:relative}
.video-modal-close{position:absolute;top:-36px;right:0;color:#fff;font-size:1.8rem;cursor:pointer;background:none;border:none}
.video-modal-content video{width:100%;display:block}
.video-placeholder{width:100%;aspect-ratio:16/9;background:#1B1B1B;display:flex;align-items:center;justify-content:center;color:#D4A843;font-size:1.2rem}

/* === 回到顶部 === */
.back-to-top{position:fixed;bottom:30px;right:30px;width:46px;height:46px;background:linear-gradient(135deg,#2D6A4F,#3a8a6a);color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:1.2rem;display:none;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(45,106,79,.3);z-index:999;transition:transform .3s}
.back-to-top:hover{transform:scale(1.1)}
.back-to-top.visible{display:flex}

/* === 社交分享 === */
.share-section{padding:30px 0;text-align:center}
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.share-btns a{padding:8px 20px;border-radius:25px;color:#fff;font-size:.88rem;transition:transform .2s}
.share-btns a:hover{transform:scale(1.05);color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#1B1B1B}
.share-bilibili{background:#00A1D6}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:20px}
.howto-step{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.06);position:relative}
.howto-step .step-num{width:36px;height:36px;background:linear-gradient(135deg,#2D6A4F,#D4A843);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 12px}
.howto-step h4{color:#1B1B1B;margin-bottom:8px}
.howto-step p{color:#666;font-size:.88rem}

/* === 响应式 === */
@media(max-width:768px){
  .header-inner{height:56px}
  .main-nav{display:none;position:absolute;top:56px;left:0;right:0;background:#1B1B1B;flex-direction:column;padding:16px;gap:4px}
  .main-nav.open{display:flex}
  .mobile-menu-btn{display:block}
  .site-logo span{font-size:1.1rem}
  .hero-banner{height:360px}
  .hero-overlay h1{font-size:1.8rem}
  .hero-overlay p{font-size:.95rem}
  .section-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
  .expert-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .eeat-badges{gap:14px}
  .eeat-badges span{font-size:.78rem}
  .reviews-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero-banner{height:280px}
  .hero-overlay h1{font-size:1.4rem}
  .video-grid{grid-template-columns:1fr}
  .search-inner{flex-direction:column}
  .search-inner button{width:100%}
}