/* ============================================
   户外露出 - 原创样式表
   品牌色系：深紫 #1A1A2E | 电紫 #7B2FBE | 热粉 #FF2D78 | 青蓝 #00E5FF
   ============================================ */

/* === 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","Helvetica Neue",Arial,sans-serif;background:#0D0D1A;color:#E0E0E0;line-height:1.7;overflow-x:hidden}
a{color:#00E5FF;text-decoration:none;transition:color .3s}
a:hover{color:#FF2D78}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{color:#FFFFFF;font-weight:700;line-height:1.3}

/* === 容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-padding{padding:60px 0}

/* === 头部导航 === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,13,26,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(123,47,190,.3);transition:all .3s}
.header-inner{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 span{font-size:1.3rem;font-weight:800;background:linear-gradient(135deg,#7B2FBE,#FF2D78);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;border-radius:6px;font-size:.9rem;color:#ccc;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(123,47,190,.25)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}

/* === 搜索框 === */
.search-bar{background:rgba(26,26,46,.8);border-bottom:1px solid rgba(123,47,190,.15);padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-input-wrap{position:relative;width:100%;max-width:560px}
.search-input-wrap input{width:100%;padding:10px 44px 10px 18px;border-radius:24px;border:1px solid rgba(123,47,190,.4);background:rgba(255,255,255,.06);color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-input-wrap input:focus{border-color:#7B2FBE}
.search-input-wrap input::placeholder{color:#888}
.search-input-wrap button{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:linear-gradient(135deg,#7B2FBE,#FF2D78);border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:opacity .3s}
.search-input-wrap button:hover{opacity:.85}

/* === Hero Banner === */
.hero-banner{position:relative;margin-top:68px;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner .bg-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:0 20px;max-width:800px}
.hero-content h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(123,47,190,.5)}
.hero-content h1 em{font-style:normal;color:#FF2D78}
.hero-content p{font-size:1.15rem;color:#ccc;margin-bottom:28px;line-height:1.8}
.hero-content .btn-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* === 按钮 === */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;border:none;transition:all .3s}
.btn-primary{background:linear-gradient(135deg,#7B2FBE,#FF2D78);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(123,47,190,.4);color:#fff}
.btn-outline{border:2px solid #00E5FF;color:#00E5FF;background:transparent}
.btn-outline:hover{background:#00E5FF;color:#0D0D1A}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#7B2FBE}
.breadcrumb span{margin:0 6px;color:#555}

/* === 区块标题 === */
.section-title{text-align:center;margin-bottom:42px}
.section-title h2{font-size:2rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#7B2FBE,#FF2D78);border-radius:2px}
.section-title p{color:#999;margin-top:16px;font-size:1rem}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:rgba(26,26,46,.6);border-radius:12px;overflow:hidden;border:1px solid rgba(123,47,190,.15);transition:all .4s}
.video-card:hover{transform:translateY(-6px);border-color:rgba(123,47,190,.4);box-shadow:0 12px 36px rgba(123,47,190,.2)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.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(123,47,190,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;z-index:3}
.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:.75rem;z-index:3}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:.8rem;color:#888}
.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:rgba(123,47,190,.2);color:#c4a0ff;padding:2px 10px;border-radius:12px;font-size:.72rem}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
.expert-card{background:rgba(26,26,46,.6);border-radius:14px;padding:28px 22px;text-align:center;border:1px solid rgba(123,47,190,.15);transition:all .4s}
.expert-card:hover{border-color:#7B2FBE;box-shadow:0 0 30px rgba(123,47,190,.2)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #7B2FBE}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:#FF2D78;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.85rem;color:#aaa;margin-bottom:14px}
.expert-links{display:flex;gap:10px;justify-content:center}
.expert-links a{padding:6px 16px;border-radius:6px;font-size:.8rem;border:1px solid rgba(123,47,190,.4);color:#c4a0ff;transition:all .3s}
.expert-links a:hover{background:#7B2FBE;color:#fff;border-color:#7B2FBE}

/* === FAQ手风琴 === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:rgba(26,26,46,.5);border-radius:10px;margin-bottom:12px;border:1px solid rgba(123,47,190,.15);overflow:hidden}
.faq-question{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;transition:background .3s}
.faq-question:hover{background:rgba(123,47,190,.1)}
.faq-question::after{content:'+';font-size:1.4rem;color:#7B2FBE;transition:transform .3s}
.faq-item.active .faq-question::after{content:'-';transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 22px}
.faq-item.active .faq-answer{max-height:300px;padding:0 22px 18px}
.faq-answer p{color:#aaa;font-size:.9rem;line-height:1.8}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:rgba(26,26,46,.5);border-radius:12px;padding:24px;border:1px solid rgba(123,47,190,.12)}
.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,#7B2FBE,#FF2D78);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;font-size:.95rem}
.review-date{font-size:.75rem;color:#777}
.review-stars{color:#FFD700;font-size:.9rem;margin-bottom:8px}
.review-card p{font-size:.88rem;color:#bbb;line-height:1.7}

/* === 社区模块 === */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.community-item{background:rgba(26,26,46,.5);border-radius:12px;padding:20px;text-align:center;border:1px solid rgba(0,229,255,.1);transition:all .3s}
.community-item:hover{border-color:#00E5FF;box-shadow:0 0 20px rgba(0,229,255,.15)}
.community-item .icon{font-size:2.4rem;margin-bottom:10px}
.community-item h4{font-size:.95rem;margin-bottom:6px}
.community-item p{font-size:.8rem;color:#999}

/* === AI赋能 === */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px}
.ai-card{background:linear-gradient(145deg,rgba(26,26,46,.7),rgba(123,47,190,.08));border-radius:14px;padding:30px;border:1px solid rgba(0,229,255,.12);transition:all .4s}
.ai-card:hover{border-color:#00E5FF;transform:translateY(-4px)}
.ai-card h4{font-size:1.1rem;margin-bottom:10px;color:#00E5FF}
.ai-card p{font-size:.9rem;color:#aaa;line-height:1.7}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px}
.contact-card{background:rgba(26,26,46,.5);border-radius:12px;padding:28px;border:1px solid rgba(123,47,190,.15)}
.contact-card h4{font-size:1.05rem;margin-bottom:14px;color:#FF2D78}
.contact-card p{font-size:.9rem;color:#bbb;margin-bottom:8px}
.contact-card a{color:#00E5FF}

/* === 合作品牌 === */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-wall .partner-item{background:rgba(255,255,255,.05);border-radius:10px;padding:16px 28px;border:1px solid rgba(123,47,190,.1);font-size:.9rem;color:#aaa;transition:all .3s}
.partner-wall .partner-item:hover{border-color:#7B2FBE;color:#fff}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;counter-reset:step}
.howto-step{background:rgba(26,26,46,.5);border-radius:12px;padding:24px;border:1px solid rgba(123,47,190,.12);position:relative;counter-increment:step}
.howto-step::before{content:counter(step);position:absolute;top:-12px;left:20px;width:32px;height:32px;background:linear-gradient(135deg,#7B2FBE,#FF2D78);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.howto-step h4{margin-top:8px;margin-bottom:8px;font-size:1rem}
.howto-step p{font-size:.85rem;color:#aaa}

/* === 社交分享 === */
.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 20px;border-radius:8px;font-size:.85rem;color:#fff;transition:all .3s;cursor:pointer}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00A1D6}
.share-btn:hover{transform:translateY(-2px);opacity:.9}

/* === 页脚 === */
.site-footer{background:rgba(10,10,20,.95);border-top:1px solid rgba(123,47,190,.2);padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;margin-bottom:36px}
.footer-col h4{font-size:1rem;margin-bottom:14px;color:#fff}
.footer-col p,.footer-col a{font-size:.85rem;color:#999;display:block;margin-bottom:6px}
.footer-col a:hover{color:#00E5FF}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:8px}
.footer-bottom{border-top:1px solid rgba(123,47,190,.15);padding:18px 0;text-align:center;font-size:.8rem;color:#666}
.footer-bottom a{color:#7B2FBE}

/* === 内页Banner === */
.page-banner{position:relative;margin-top:68px;height:280px;overflow:hidden;display:flex;align-items:center}
.page-banner .bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.4)}
.page-banner .container{position:relative;z-index:2}
.page-banner h1{font-size:2rem;margin-bottom:8px}
.page-banner p{color:#ccc;font-size:1rem}

/* === 标签云 === */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.tag-cloud a{background:rgba(123,47,190,.15);color:#c4a0ff;padding:6px 16px;border-radius:20px;font-size:.82rem;transition:all .3s}
.tag-cloud a:hover{background:#7B2FBE;color:#fff}

/* === 分页 === */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:36px}
.pagination a,.pagination span{padding:8px 14px;border-radius:6px;font-size:.85rem;border:1px solid rgba(123,47,190,.3);color:#ccc;transition:all .3s}
.pagination a:hover,.pagination .current{background:#7B2FBE;color:#fff;border-color:#7B2FBE}

/* === 懒加载 === */
.lazy{opacity:0;transition:opacity .6s}
.lazy.loaded{opacity:1}

/* === 响应式 === */
@media(max-width:992px){
  .hero-banner{height:400px}
  .hero-content h1{font-size:2rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}
@media(max-width:768px){
  .main-nav{position:fixed;top:68px;left:0;width:100%;background:rgba(13,13,26,.98);flex-direction:column;padding:20px;gap:4px;transform:translateY(-120%);transition:transform .3s;border-bottom:1px solid rgba(123,47,190,.3)}
  .main-nav.open{transform:translateY(0)}
  .nav-toggle{display:flex}
  .hero-banner{height:340px}
  .hero-content h1{font-size:1.6rem}
  .hero-content p{font-size:.95rem}
  .section-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .ai-features{grid-template-columns:1fr}
}
@media(max-width:480px){
  .expert-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr 1fr}
  .hero-banner{height:280px}
  .hero-content h1{font-size:1.3rem}
}

/* === 动画 === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeInUp .6s ease forwards}

/* === 滚动条 === */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:#0D0D1A}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#7B2FBE,#FF2D78);border-radius:4px}