/* ============================================
    - 原创样式表
   品牌色系：活力橙 #FF6B35 / 深夜蓝 #1A1A2E / 樱花红 #E94560
   ============================================ */

/* === 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",Arial,sans-serif;background:#0F0F23;color:#EAEAEA;line-height:1.7;overflow-x:hidden}
a{color:#FF6B35;text-decoration:none;transition:color .3s}
a:hover{color:#E94560}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 头部导航 === */
.site-header{background:linear-gradient(135deg,#1A1A2E 0%,#16213E 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:50px;width:auto}
.logo-wrap .brand-text{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#FF6B35,#E94560);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;gap:0}
.main-nav a{padding:10px 16px;color:#EAEAEA;font-size:.95rem;position:relative;transition:all .3s}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;background:#FF6B35;transition:all .3s;transform:translateX(-50%)}
.main-nav a:hover{color:#FF6B35}
.main-nav a:hover::after{width:70%}
.main-nav a.active{color:#FF6B35}
.main-nav a.active::after{width:70%}

/* 移动端菜单 */
.menu-toggle{display:none;background:none;border:none;color:#EAEAEA;font-size:1.5rem;cursor:pointer;padding:5px}

/* === 搜索框 === */
.search-bar{background:linear-gradient(90deg,#1A1A2E,#0F0F23);padding:14px 0;border-bottom:1px solid rgba(255,107,53,.15)}
.search-wrap{max-width:600px;margin:0 auto;display:flex;gap:0;border-radius:25px;overflow:hidden;box-shadow:0 0 15px rgba(255,107,53,.2)}
.search-wrap input{flex:1;padding:12px 20px;border:2px solid #FF6B35;border-right:none;background:#16213E;color:#EAEAEA;font-size:.95rem;border-radius:25px 0 0 25px;outline:none}
.search-wrap input::placeholder{color:#666}
.search-wrap input:focus{border-color:#E94560;box-shadow:inset 0 0 8px rgba(233,69,96,.15)}
.search-wrap button{padding:12px 28px;background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff;border:none;font-size:.95rem;cursor:pointer;border-radius:0 25px 25px 0;transition:opacity .3s;font-weight:600}
.search-wrap button:hover{opacity:.85}

/* === 轮播Banner === */
.hero-banner{position:relative;overflow:hidden;height:420px}
.banner-slides{display:flex;transition:transform .6s ease;height:100%}
.banner-slide{min-width:100%;height:100%;position:relative}
.banner-slide img{width:100%;height:100%;object-fit:cover}
.banner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,rgba(15,15,35,.85) 0%,rgba(15,15,35,.3) 60%,transparent 100%);display:flex;align-items:center;padding:0 60px}
.banner-text h1{font-size:2.5rem;font-weight:800;margin-bottom:12px;background:linear-gradient(135deg,#FF6B35,#E94560);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.banner-text p{font-size:1.1rem;color:#ccc;max-width:500px;margin-bottom:20px}
.banner-btn{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff;border-radius:25px;font-weight:600;transition:transform .3s,box-shadow .3s}
.banner-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,107,53,.4);color:#fff}
.banner-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.banner-dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:all .3s}
.banner-dot.active{background:#FF6B35;transform:scale(1.2)}

/* === 通用板块标题 === */
.section-title{text-align:center;margin-bottom:40px;position:relative}
.section-title h2{font-size:2rem;font-weight:700;color:#EAEAEA;display:inline-block;position:relative}
.section-title h2::before,.section-title h2::after{content:'';position:absolute;top:50%;width:60px;height:2px;background:linear-gradient(90deg,transparent,#FF6B35)}
.section-title h2::before{right:calc(100% + 15px)}
.section-title h2::after{left:calc(100% + 15px);background:linear-gradient(90deg,#FF6B35,transparent)}
.section-title .sub{color:#999;font-size:.95rem;margin-top:8px}

/* === 各板块间距 === */
.section{padding:60px 0}
.section:nth-child(even){background:rgba(26,26,46,.5)}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#16213E;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(255,107,53,.2)}
.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;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:60px;height:60px;background:rgba(255,107,53,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;box-shadow:0 4px 15px rgba(0,0,0,.3)}
.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:4px}
.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:.8rem}
.video-info{padding:14px}
.video-info h3{font-size:.95rem;font-weight:600;color:#EAEAEA;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;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(255,107,53,.15);color:#FF6B35;padding:2px 10px;border-radius:12px;font-size:.75rem}

/* === 模块卡片（影视/娱乐/AI/社区） === */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:linear-gradient(145deg,#16213E,#1A1A2E);border-radius:14px;padding:30px;text-align:center;border:1px solid rgba(255,107,53,.1);transition:all .3s}
.module-card:hover{border-color:#FF6B35;transform:translateY(-4px);box-shadow:0 8px 25px rgba(255,107,53,.15)}
.module-icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#FF6B35,#E94560);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.module-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px;color:#FF6B35}
.module-card p{font-size:.9rem;color:#aaa;line-height:1.6}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.expert-card{background:#16213E;border-radius:14px;overflow:hidden;text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-avatar{width:120px;height:120px;border-radius:50%;margin:24px auto 16px;overflow:hidden;border:3px solid #FF6B35}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:1.1rem;color:#EAEAEA;margin-bottom:4px}
.expert-card .role{color:#FF6B35;font-size:.85rem;margin-bottom:10px}
.expert-card p{padding:0 20px;font-size:.85rem;color:#999;margin-bottom:16px}
.expert-actions{display:flex;gap:10px;justify-content:center;padding:0 20px 24px}
.btn-sm{padding:8px 18px;border-radius:20px;font-size:.85rem;border:none;cursor:pointer;transition:all .3s;font-weight:500}
.btn-primary{background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff}
.btn-primary:hover{opacity:.85;color:#fff}
.btn-outline{background:transparent;border:1px solid #FF6B35;color:#FF6B35}
.btn-outline:hover{background:#FF6B35;color:#fff}

/* === 品牌Logo墙 === */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:#16213E;padding:16px 28px;border-radius:10px;font-size:1rem;color:#888;border:1px solid rgba(255,107,53,.1);transition:all .3s}
.brand-wall .brand-item:hover{border-color:#FF6B35;color:#FF6B35}

/* === FAQ手风琴 === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#16213E;border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid rgba(255,107,53,.1)}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#EAEAEA;transition:color .3s}
.faq-question:hover{color:#FF6B35}
.faq-question .arrow{transition:transform .3s;color:#FF6B35;font-size:1.2rem}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.open .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{color:#aaa;font-size:.9rem;line-height:1.7}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#16213E;border-radius:12px;padding:24px;border:1px solid rgba(255,107,53,.08)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#E94560);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#EAEAEA}
.review-date{font-size:.8rem;color:#666}
.review-stars{color:#FF6B35;margin-bottom:8px;font-size:.9rem}
.review-text{font-size:.9rem;color:#bbb;line-height:1.7}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:start}
.contact-info{background:#16213E;border-radius:14px;padding:30px}
.contact-info h3{font-size:1.3rem;color:#FF6B35;margin-bottom:20px}
.contact-item{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.contact-icon{width:40px;height:40px;background:rgba(255,107,53,.15);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#FF6B35;flex-shrink:0;font-size:1.1rem}
.contact-item .label{font-size:.85rem;color:#888}
.contact-item .value{color:#EAEAEA;font-size:.95rem}

/* === 页脚 === */
.site-footer{background:linear-gradient(180deg,#0F0F23,#0a0a18);border-top:1px solid rgba(255,107,53,.15);padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-brand .brand-text{font-size:1.3rem;font-weight:700;color:#FF6B35;margin-bottom:10px}
.footer-brand p{font-size:.85rem;color:#888;line-height:1.6}
.footer-col h4{font-size:1rem;color:#EAEAEA;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#FF6B35}
.footer-col a{display:block;color:#888;font-size:.85rem;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:#FF6B35}
.footer-qr{display:flex;gap:20px;margin-top:20px}
.footer-qr .qr-item{text-align:center}
.footer-qr .qr-item img{width:100px;height:100px;border-radius:8px;margin-bottom:6px}
.footer-qr .qr-item span{font-size:.75rem;color:#888}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:16px 0;text-align:center}
.footer-bottom p{font-size:.8rem;color:#666}
.footer-bottom .update-time{color:#888;margin-top:4px}

/* === 社交分享 === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;font-size:.85rem;color:#fff;transition:all .3s;cursor:pointer;border:none;font-weight:500}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* === 面包屑 === */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#FF6B35}
.breadcrumb span{margin:0 8px;color:#555}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{background:#16213E;border-radius:12px;padding:24px;text-align:center;position:relative;counter-increment:step}
.howto-step::before{content:counter(step);position:absolute;top:-12px;left:50%;transform:translateX(-50%);width:32px;height:32px;background:linear-gradient(135deg,#FF6B35,#E94560);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.howto-step h4{margin-top:10px;margin-bottom:8px;color:#EAEAEA;font-size:1rem}
.howto-step p{font-size:.85rem;color:#999}

/* === 内页样式 === */
.page-hero{height:280px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.page-hero img{position:absolute;width:100%;height:100%;object-fit:cover}
.page-hero .overlay{position:absolute;width:100%;height:100%;background:rgba(15,15,35,.7)}
.page-hero h1{position:relative;z-index:1;font-size:2.2rem;font-weight:700;color:#fff}
.page-content{padding:40px 0}
.page-content p{margin-bottom:16px;line-height:1.8;color:#ccc}
.page-content h2{font-size:1.5rem;color:#FF6B35;margin:30px 0 16px}
.page-content h3{font-size:1.2rem;color:#EAEAEA;margin:20px 0 12px}

/* === MCP前端占位 === */
.wuexj9a6h{background:#16213E;border:1px dashed rgba(255,107,53,.3);border-radius:12px;padding:20px;text-align:center;color:#888;font-size:.85rem;margin-top:20px}

/* === 响应式 === */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.module-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.main-nav{display:none;width:100%;flex-direction:column;padding-top:10px}
.main-nav.open{display:flex}
.menu-toggle{display:block}
.video-grid{grid-template-columns:repeat(2,1fr)}
.module-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero-banner{height:300px}
.banner-text h1{font-size:1.6rem}
.banner-overlay{padding:0 30px}
.howto-steps{grid-template-columns:1fr}
.section-title h2{font-size:1.5rem}
.section-title h2::before,.section-title h2::after{display:none}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.search-wrap{border-radius:12px}
.search-wrap input{border-radius:12px 0 0 12px}
.search-wrap button{border-radius:0 12px 12px 0;padding:12px 16px}
}

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

/* === 懒加载占位 === */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}