/* 人兽 原创样式 - 暗紫金色游戏风格 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;background:#0c0a1a;color:#e2d9f3;line-height:1.75}
a{color:#c084fc;text-decoration:none;transition:color .25s}
a:hover{color:#fbbf24}
img{max-width:100%;height:auto;display:block}
.d-none{display:none!important;position:absolute;left:-9999px;overflow:hidden;width:0;height:0}
/* 容器 */
.wrapper{max-width:1200px;margin:0 auto;padding:0 20px}
/* 顶部导航 */
.site-header{background:linear-gradient(180deg,#1a0f2e 0%,#0c0a1a 100%);border-bottom:2px solid #6b21a8;position:sticky;top:0;z-index:999}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{width:42px;height:42px;border-radius:8px}
.nav-logo span{font-size:1.25rem;font-weight:700;color:#fbbf24;letter-spacing:1px}
.nav-links{display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{padding:6px 14px;border-radius:6px;font-size:.9rem;color:#c4b5fd;transition:all .25s}
.nav-links a:hover,.nav-links a.active{background:#6b21a8;color:#fff}
.mobile-menu-btn{display:none;background:none;border:none;color:#c084fc;font-size:1.5rem;cursor:pointer}
/* 搜索栏 */
.search-bar{background:#1a0f2e;padding:12px 0;border-bottom:1px solid #2d1b4e}
.search-box{display:flex;max-width:600px;margin:0 auto;padding:0 20px}
.search-box input{flex:1;padding:10px 16px;border:2px solid #6b21a8;border-right:none;border-radius:8px 0 0 8px;background:#0c0a1a;color:#e2d9f3;font-size:.95rem;outline:none}
.search-box input:focus{border-color:#c084fc}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#6b21a8,#9333ea);color:#fff;border:none;border-radius:0 8px 8px 0;cursor:pointer;font-size:.95rem;transition:opacity .25s}
.search-box button:hover{opacity:.85}
/* Banner */
.hero-banner{position:relative;height:480px;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;padding:30px;max-width:800px}
.hero-content h1{font-size:2.6rem;color:#fbbf24;text-shadow:0 2px 12px rgba(107,33,168,.7);margin-bottom:12px}
.hero-content p{font-size:1.15rem;color:#e2d9f3;text-shadow:0 1px 6px rgba(0,0,0,.6);line-height:1.8}
.hero-content .hero-tags{margin-top:18px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-content .hero-tags span{background:rgba(107,33,168,.6);padding:5px 16px;border-radius:20px;font-size:.85rem;color:#c4b5fd;border:1px solid #6b21a8}
/* 区块标题 */
.section{padding:50px 0}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:1.85rem;color:#fbbf24;position:relative;display:inline-block;padding-bottom:10px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#6b21a8,#c084fc);border-radius:2px}
.section-title p{color:#a78bfa;margin-top:10px;font-size:.95rem}
/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{background:#1a0f2e;border-radius:12px;overflow:hidden;border:1px solid #2d1b4e;transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(107,33,168,.35)}
.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}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(107,33,168,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;cursor:pointer;z-index:3}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fbbf24}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(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;z-index:3}
.video-info{padding:14px}
.video-info h3{font-size:.95rem;color:#e2d9f3;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:.8rem;color:#8b7aad;flex-wrap:wrap}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-date{font-size:.75rem;color:#6b5b8d;margin-top:4px}
.expert-works{font-size:.8rem;color:#a78bfa;margin-top:8px;padding:6px 10px;background:rgba(107,33,168,.15);border-radius:6px;border-left:3px solid #6b21a8}
/* 面包屑 */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#8b7aad}
.breadcrumb a{color:#c084fc}
.breadcrumb span{margin:0 6px;color:#4c3d6e}
/* 内容区域 */
.content-area{display:grid;grid-template-columns:1fr 320px;gap:30px;padding:30px 0}
.main-content{min-width:0}
.sidebar{min-width:0}
/* 模块卡片 */
.module-card{background:#1a0f2e;border-radius:12px;padding:28px;margin-bottom:28px;border:1px solid #2d1b4e}
.module-card h3{font-size:1.25rem;color:#fbbf24;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid #2d1b4e}
.module-card h4{font-size:1.05rem;color:#c084fc;margin:16px 0 8px}
.module-card p{color:#c4b5fd;line-height:1.8;margin-bottom:10px}
/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.expert-card{background:#1a0f2e;border-radius:12px;padding:24px;text-align:center;border:1px solid #2d1b4e;transition:border-color .3s}
.expert-card:hover{border-color:#6b21a8}
.expert-card img{width:110px;height:110px;border-radius:50%;margin:0 auto 14px;border:3px solid #6b21a8;object-fit:cover}
.expert-card h4{color:#fbbf24;margin-bottom:6px}
.expert-card .role{color:#c084fc;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.88rem;color:#a78bfa;line-height:1.6}
.expert-btn{display:inline-block;margin-top:12px;padding:6px 18px;background:#6b21a8;color:#fff;border-radius:6px;font-size:.85rem;transition:background .25s}
.expert-btn:hover{background:#9333ea;color:#fff}
/* FAQ */
.faq-item{background:#1a0f2e;border-radius:10px;margin-bottom:12px;border:1px solid #2d1b4e;overflow:hidden}
.faq-question{padding:16px 20px;cursor:pointer;font-weight:600;color:#e2d9f3;display:flex;justify-content:space-between;align-items:center;transition:background .25s}
.faq-question:hover{background:#2d1b4e}
.faq-question::after{content:'+';font-size:1.3rem;color:#c084fc;transition:transform .3s}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s,padding .35s;color:#a78bfa;line-height:1.8}
.faq-item.open .faq-answer{padding:0 20px 16px;max-height:500px}
/* 评论 */
.review-card{background:#1a0f2e;border-radius:10px;padding:22px;margin-bottom:16px;border:1px solid #2d1b4e}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#6b21a8,#c084fc);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#fbbf24}
.review-date{font-size:.8rem;color:#6d5b8e}
.review-stars{color:#fbbf24;margin-bottom:8px;font-size:.9rem}
.review-text{color:#c4b5fd;line-height:1.7;font-size:.92rem}
/* 页脚 */
.site-footer{background:#0a0816;border-top:2px solid #6b21a8;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#fbbf24;margin-bottom:14px;font-size:1rem}
.footer-col a{display:block;color:#8b7aad;padding:4px 0;font-size:.88rem;transition:color .25s}
.footer-col a:hover{color:#c084fc}
.footer-col p{color:#8b7aad;font-size:.85rem;line-height:1.7}
.footer-qr{display:flex;gap:16px;margin-top:10px}
.footer-qr img{width:90px;height:90px;border-radius:8px;border:1px solid #2d1b4e}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #2d1b4e;color:#6d5b8e;font-size:.82rem}
.footer-bottom a{color:#8b7aad}
/* 分享按钮 */
.share-bar{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.share-btn{padding:6px 16px;border-radius:6px;font-size:.82rem;color:#fff;cursor:pointer;transition:opacity .25s;border:none}
.share-btn:hover{opacity:.8}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
/* 侧边栏 */
.sidebar-block{background:#1a0f2e;border-radius:12px;padding:20px;margin-bottom:22px;border:1px solid #2d1b4e}
.sidebar-block h4{color:#fbbf24;margin-bottom:14px;font-size:1rem;padding-bottom:8px;border-bottom:1px solid #2d1b4e}
.sidebar-video{display:flex;gap:10px;margin-bottom:12px}
.sidebar-video img{width:120px;height:68px;border-radius:6px;object-fit:cover;flex-shrink:0}
.sidebar-video-info{min-width:0}
.sidebar-video-info h5{font-size:.82rem;color:#e2d9f3;margin-bottom:4px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sidebar-video-info span{font-size:.75rem;color:#6d5b8e}
/* 标签 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{background:#2d1b4e;padding:4px 12px;border-radius:15px;font-size:.8rem;color:#a78bfa;transition:all .25s}
.tag-cloud a:hover{background:#6b21a8;color:#fff}
/* 回到顶部 */
.back-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:#6b21a8;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:998;border:none;box-shadow:0 4px 15px rgba(107,33,168,.4)}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:#9333ea}
/* 合作Logo墙 */
.partner-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner-item{background:#2d1b4e;border-radius:10px;padding:20px;text-align:center;color:#a78bfa;font-size:.88rem;transition:background .25s}
.partner-item:hover{background:#3d2b5e}
/* 联系信息 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.contact-card{background:#1a0f2e;border-radius:12px;padding:24px;border:1px solid #2d1b4e}
.contact-card h4{color:#fbbf24;margin-bottom:10px}
.contact-card p{color:#a78bfa;font-size:.9rem;line-height:1.8}
/* 步骤指南 */
.steps-list{counter-reset:step}
.step-item{display:flex;gap:18px;margin-bottom:22px;align-items:flex-start}
.step-num{width:40px;height:40px;background:linear-gradient(135deg,#6b21a8,#9333ea);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fbbf24;font-weight:700;font-size:1.1rem;flex-shrink:0}
.step-content h4{color:#e2d9f3;margin-bottom:4px}
.step-content p{color:#a78bfa;font-size:.9rem}
/* 页面内容 */
.page-intro{background:linear-gradient(135deg,#1a0f2e,#2d1b4e);border-radius:12px;padding:36px;margin-bottom:30px;border:1px solid #3d2b5e}
.page-intro h2{color:#fbbf24;margin-bottom:12px;font-size:1.6rem}
.page-intro p{color:#c4b5fd;line-height:1.8}
/* 响应式 */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:1fr}
.content-area{grid-template-columns:1fr}
.partner-wall{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
.video-grid{grid-template-columns:repeat(2,1fr)}
.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#1a0f2e;flex-direction:column;padding:16px;border-top:1px solid #2d1b4e}
.nav-links.open{display:flex}
.mobile-menu-btn{display:block}
.hero-banner{height:320px}
.hero-content h1{font-size:1.8rem}
.contact-grid{grid-template-columns:1fr}
.partner-wall{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero-banner{height:260px}
.hero-content h1{font-size:1.4rem}
.section{padding:30px 0}
}