/* ========================================
   偷拍 - 原创样式表
   品牌：偷拍 | 域名：ceaoz.cn
   配色：活力橙 + 深邃蓝黑 + 玫瑰红
   ======================================== */

/* === 基础重置与全局 === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#0F0F1A;color:#EAEAEA;line-height:1.8;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}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#fff}
h1{font-size:2.4rem}
h2{font-size:1.9rem}
h3{font-size:1.5rem}
h4{font-size:1.25rem}
h5{font-size:1.1rem}
h6{font-size:1rem}
p{margin-bottom:1rem;color:#c8c8d0}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 头部导航 === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,15,26,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,107,53,.15);transition:all .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:40px;height:40px;border-radius:8px}
.logo-wrap .brand-name{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,#FF6B35,#E94560);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{padding:10px 16px;font-size:.95rem;color:#c8c8d0;position:relative;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:#FF6B35}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:linear-gradient(90deg,#FF6B35,#E94560);transition:width .3s}
.main-nav a:hover::after,.main-nav a.active::after{width:70%}
.mobile-menu-btn{display:none;background:none;border:none;color:#FF6B35;font-size:1.5rem;cursor:pointer}

/* === 搜索框 === */
.search-bar{background:rgba(22,33,62,.8);padding:15px 0;border-bottom:1px solid rgba(255,107,53,.1)}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 18px;background:rgba(15,15,26,.9);border:1px solid rgba(255,107,53,.3);border-right:none;border-radius:25px 0 0 25px;color:#eaeaea;font-size:.95rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#FF6B35}
.search-box input::placeholder{color:#666}
.search-box button{padding:10px 25px;background:linear-gradient(135deg,#FF6B35,#E94560);border:none;border-radius:0 25px 25px 0;color:#fff;font-size:.95rem;cursor:pointer;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* === Banner === */
.hero-banner{position:relative;width:100%;min-height:520px;overflow:hidden;margin-top:60px}
.hero-banner .banner-bg{width:100%;height:520px;object-fit:cover;filter:brightness(.7)}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;background:linear-gradient(180deg,rgba(15,15,26,.3) 0%,rgba(15,15,26,.7) 100%)}
.hero-overlay h1{font-size:2.8rem;margin-bottom:15px;text-shadow:0 2px 20px rgba(255,107,53,.5)}
.hero-overlay h1 .brand-hl{color:#FF6B35}
.hero-overlay p{font-size:1.15rem;max-width:700px;color:#ddd;line-height:1.9}
.hero-overlay .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;justify-content:center}
.hero-overlay .hero-tags span{padding:6px 18px;background:rgba(255,107,53,.15);border:1px solid rgba(255,107,53,.3);border-radius:20px;font-size:.85rem;color:#FF6B35}

/* === 通用板块 === */
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{display:inline-block;position:relative;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,#FF6B35,#E94560);border-radius:2px}
.section-title p{margin-top:12px;color:#888;font-size:.95rem}
.section-alt{background:rgba(22,33,62,.3)}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:25px}
.video-card{background:#16213E;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer;position:relative}
.video-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(255,107,53,.15)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(255,107,53,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;pointer-events:none}
.video-card:hover .play-btn{opacity:1}
.video-card .play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card .card-body{padding:15px}
.video-card .card-body h4{font-size:1.05rem;margin-bottom:8px;color:#eee;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:#888}
.video-card .card-meta .views{display:flex;align-items:center;gap:4px}
.video-card .card-meta .duration{background:rgba(0,0,0,.6);padding:2px 8px;border-radius:4px;position:absolute;bottom:60px;right:10px;font-size:.75rem;color:#fff}
.video-card .card-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-card .card-tags span{font-size:.7rem;padding:2px 8px;background:rgba(255,107,53,.1);color:#FF6B35;border-radius:10px}

/* === 模块卡片 === */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.module-card{background:#16213E;border-radius:12px;padding:30px 25px;text-align:center;transition:transform .3s,box-shadow .3s;border:1px solid rgba(255,107,53,.08)}
.module-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(255,107,53,.12);border-color:rgba(255,107,53,.2)}
.module-card .icon{width:60px;height:60px;margin:0 auto 15px;background:linear-gradient(135deg,rgba(255,107,53,.15),rgba(233,69,96,.15));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.module-card h4{margin-bottom:10px;color:#fff}
.module-card p{font-size:.9rem;color:#999;line-height:1.7}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:25px}
.expert-card{background:#16213E;border-radius:12px;overflow:hidden;text-align:center;transition:transform .3s;border:1px solid rgba(255,107,53,.08)}
.expert-card:hover{transform:translateY(-5px)}
.expert-card .avatar{width:120px;height:120px;border-radius:50%;margin:25px auto 15px;overflow:hidden;border:3px solid rgba(255,107,53,.3)}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{color:#fff;margin-bottom:5px}
.expert-card .role{color:#FF6B35;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.85rem;color:#999;padding:0 20px;line-height:1.7}
.expert-card .expert-links{display:flex;justify-content:center;gap:10px;padding:15px;margin-top:10px}
.expert-card .expert-links a{padding:6px 16px;border-radius:20px;font-size:.8rem;transition:all .3s}
.expert-card .expert-links .btn-primary{background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff}
.expert-card .expert-links .btn-outline{border:1px solid rgba(255,107,53,.4);color:#FF6B35}
.expert-card .expert-links .btn-outline:hover{background:rgba(255,107,53,.1)}

/* === FAQ === */
.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,.08)}
.faq-item .faq-q{padding:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#eee;transition:background .3s}
.faq-item .faq-q:hover{background:rgba(255,107,53,.05)}
.faq-item .faq-q .arrow{transition:transform .3s;color:#FF6B35;font-size:1.2rem}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;padding:0 25px}
.faq-item.open .faq-a{max-height:300px;padding:0 25px 18px}
.faq-item .faq-a p{color:#999;font-size:.9rem;line-height:1.8}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}
.review-card{background:#16213E;border-radius:12px;padding:25px;border:1px solid rgba(255,107,53,.08)}
.review-card .stars{color:#FF6B35;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-card .review-text{font-size:.9rem;color:#bbb;line-height:1.8;margin-bottom:15px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .r-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#E94560);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-card .reviewer .r-info .r-name{font-size:.9rem;color:#eee;font-weight:600}
.review-card .reviewer .r-info .r-date{font-size:.75rem;color:#666}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.contact-card{background:#16213E;border-radius:12px;padding:25px;text-align:center;border:1px solid rgba(255,107,53,.08)}
.contact-card h4{margin-bottom:15px;color:#fff}
.contact-card p{font-size:.9rem;color:#999}
.contact-card img{max-width:180px;margin:10px auto;border-radius:8px}

/* === 合作品牌 === */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.partner-wall .partner-item{width:120px;height:60px;background:rgba(22,33,62,.8);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#888;font-size:.85rem;border:1px solid rgba(255,107,53,.1);transition:all .3s}
.partner-wall .partner-item:hover{border-color:#FF6B35;color:#FF6B35}

/* === 社交分享 === */
.share-bar{display:flex;justify-content:center;gap:15px;padding:20px 0}
.share-bar a{width:45px;height:45px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all .3s;background:rgba(22,33,62,.8);color:#c8c8d0;border:1px solid rgba(255,107,53,.15)}
.share-bar a:hover{background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff;border-color:transparent}

/* === 页脚 === */
.site-footer{background:#0a0a15;border-top:1px solid rgba(255,107,53,.1);padding:40px 0 20px}
.footer-top{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h5{color:#FF6B35;margin-bottom:15px;font-size:1rem}
.footer-col p,.footer-col a{font-size:.85rem;color:#888;line-height:2}
.footer-col a:hover{color:#FF6B35}
.footer-col .footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.footer-col .footer-logo img{width:35px;height:35px;border-radius:6px}
.footer-col .footer-logo span{font-size:1.2rem;font-weight:700;color:#FF6B35}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr .qr-item{text-align:center}
.footer-qr .qr-item img{width:100px;height:100px;border-radius:6px;margin-bottom:5px}
.footer-qr .qr-item span{font-size:.75rem;color:#666}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,107,53,.08);font-size:.8rem;color:#555}
.footer-bottom .update-time{margin-top:5px;color:#666}

/* === 面包屑 === */
.breadcrumb{padding:15px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#FF6B35}
.breadcrumb span{margin:0 8px;color:#555}

/* === How-To指南 === */
.howto-steps{max-width:800px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:25px;align-items:flex-start}
.howto-step .step-num{width:45px;height:45px;min-width:45px;background:linear-gradient(135deg,#FF6B35,#E94560);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.howto-step .step-content h4{margin-bottom:5px;color:#eee}
.howto-step .step-content p{font-size:.9rem;color:#999}

/* === 内页头部 === */
.page-hero{position:relative;height:300px;margin-top:60px;overflow:hidden}
.page-hero img{width:100%;height:100%;object-fit:cover;filter:brightness(.5)}
.page-hero .page-hero-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}
.page-hero .page-hero-text h1{font-size:2.2rem;margin-bottom:10px}
.page-hero .page-hero-text p{color:#ccc}

/* === 响应式 === */
@media(max-width:768px){
  .header-inner{padding:8px 15px}
  .main-nav{display:none;position:absolute;top:100%;left:0;width:100%;background:rgba(15,15,26,.98);flex-direction:column;padding:10px 0;border-top:1px solid rgba(255,107,53,.1)}
  .main-nav.show{display:flex}
  .main-nav a{padding:12px 20px;width:100%;text-align:center}
  .mobile-menu-btn{display:block}
  .hero-banner{min-height:380px}
  .hero-banner .banner-bg{height:380px}
  .hero-overlay h1{font-size:1.8rem}
  .hero-overlay p{font-size:.95rem}
  .video-grid{grid-template-columns: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-top{grid-template-columns:1fr}
  .section{padding:40px 0}
  h1{font-size:1.8rem}
  h2{font-size:1.5rem}
  .page-hero{height:220px}
  .page-hero .page-hero-text h1{font-size:1.6rem}
}
@media(max-width:480px){
  .hero-overlay h1{font-size:1.5rem}
  .search-box input{padding:8px 14px;font-size:.85rem}
  .search-box button{padding:8px 18px;font-size:.85rem}
  .video-grid{grid-template-columns:1fr}
}

/* === 动画 === */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}

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

/* === 资质展示 === */
.credential-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:25px}
.credential-item{background:#16213E;border-radius:12px;padding:25px;text-align:center;border:1px solid rgba(255,107,53,.08);transition:transform .3s}
.credential-item:hover{transform:translateY(-5px)}
.credential-item .credential-icon{font-size:2rem;margin-bottom:12px}
.credential-item h5{color:#fff;margin-bottom:8px}
.credential-item p{font-size:.85rem;color:#999;line-height:1.7}

/* === 专家认证标签 === */
.expert-credential{font-size:.78rem;color:#FF6B35;background:rgba(255,107,53,.1);padding:3px 12px;border-radius:15px;display:inline-block;margin-bottom:8px}

/* === 视频时长标签 === */
.video-card .duration{background:rgba(0,0,0,.75);padding:2px 8px;border-radius:4px;position:absolute;bottom:8px;right:8px;font-size:.75rem;color:#fff;z-index:2}

/* === 页脚链接区 === */
.footer-links{display:flex;justify-content:center;gap:15px;flex-wrap:wrap;margin-top:10px}
.footer-links a{font-size:.8rem;color:#888;transition:color .3s}
.footer-links a:hover{color:#FF6B35}

/* === 最新动态 === */
.news-list{max-width:800px;margin:0 auto}
.news-item{display:flex;gap:15px;padding:18px 0;border-bottom:1px solid rgba(255,107,53,.08);align-items:center}
.news-item .news-date{min-width:80px;text-align:center;color:#FF6B35;font-size:.85rem;font-weight:600}
.news-item .news-content h4{font-size:1rem;color:#eee;margin-bottom:4px}
.news-item .news-content p{font-size:.85rem;color:#888;margin:0}
.news-item:last-child{border-bottom:none}

/* === 梦想与远方模块 === */
.dream-section{background:linear-gradient(135deg,rgba(255,107,53,.05),rgba(233,69,96,.05));border-radius:16px;padding:40px 30px;text-align:center;margin:0 auto;max-width:900px}
.dream-section h3{color:#FF6B35;margin-bottom:15px}
.dream-section p{color:#bbb;line-height:2;max-width:700px;margin:0 auto 15px}
.dream-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.dream-tags span{padding:6px 18px;background:rgba(255,107,53,.12);border:1px solid rgba(255,107,53,.25);border-radius:20px;font-size:.85rem;color:#FF6B35}

/* === 信任栏 === */
.trust-bar{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 0;font-size:.78rem;color:#666;border-bottom:1px solid rgba(255,107,53,.05)}
.trust-bar a{color:#888;transition:color .3s}
.trust-bar a:hover{color:#FF6B35}
.trust-bar span{color:#555}