/* ============================================
   潘多拉魔盒视频 - 全站样式表
   品牌：潘多拉魔盒视频 | txjiancai.cn
   ============================================ */

/* CSS Reset & Base */
*,*::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;color:#333;line-height:1.7;background:#f8f9fa;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:#1a5ccc;text-decoration:none;transition:color .3s}
a:hover{color:#e65100}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1a1a2e}

/* ============ 顶部导航 ============ */
.site-header{background:linear-gradient(135deg,#0d1b2a 0%,#1b2838 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.a6tz8u{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:70px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:45px;width:auto}
.logo-wrap span{color:#fff;font-size:1.2rem;font-weight:700;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:5px}
.main-nav a{color:#cfd8dc;font-size:.95rem;padding:8px 16px;border-radius:6px;transition:all .3s}
.main-nav a:hover,.main-nav a.wb5eqg{color:#fff;background:rgba(255,255,255,.12)}
.dxh5l0{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* 搜索框 */
.search-bar{background:#0d1b2a;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.search-bar-inner{max-width:700px;margin:0 auto;display:flex;padding:0 20px}
.search-bar input{flex:1;padding:10px 18px;border:2px solid #1a5ccc;border-right:none;border-radius:25px 0 0 25px;font-size:.95rem;outline:none;background:#fff}
.search-bar button{padding:10px 28px;background:linear-gradient(135deg,#1a5ccc,#e65100);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;font-weight:600;transition:opacity .3s}
.search-bar button:hover{opacity:.85}

/* ============ Banner ============ */
.o6xb1{position:relative;height:600px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.o6xb1 img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.8w2k1hb{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,rgba(13,27,42,.7),rgba(13,27,42,.85))}
.g03s0gy{position:relative;z-index:2;text-align:center;color:#fff;max-width:900px;padding:0 20px}
.g03s0gy h1{font-size:2.8rem;margin-bottom:16px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.g03s0gy h2{font-size:1.3rem;font-weight:400;opacity:.9;margin-bottom:30px;line-height:1.8}
.jmfwg{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:30px}
.jmfwg span{background:rgba(255,255,255,.15);padding:6px 18px;border-radius:20px;font-size:.85rem;backdrop-filter:blur(5px)}
.6hw9g1b{display:inline-block;padding:14px 40px;background:linear-gradient(135deg,#e65100,#ff8f00);color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;transition:transform .3s,box-shadow .3s}
.6hw9g1b:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(230,81,0,.4);color:#fff}
.fzfv6n3{display:inline-block;padding:12px 35px;border:2px solid #fff;color:#fff;border-radius:30px;font-size:1rem;margin-left:15px;transition:all .3s}
.fzfv6n3:hover{background:#fff;color:#0d1b2a}

/* ============ 通用容器 ============ */
.container{max-width:1400px;margin:0 auto;padding:0 20px}
.aivkr{padding:70px 0}
.aivkr-dark{background:#0d1b2a;color:#fff}
.aivkr-dark h2,.aivkr-dark h3,.aivkr-dark h4{color:#fff}
.aivkr-alt{background:#eef2f7}
.aivkr-title{text-align:center;margin-bottom:50px}
.aivkr-title h2{font-size:2rem;margin-bottom:12px;position:relative;display:inline-block}
.aivkr-title h2::after{content:"";display:block;width:60px;height:3px;background:linear-gradient(90deg,#1a5ccc,#e65100);margin:12px auto 0}
.aivkr-title p{color:#666;font-size:1.05rem;max-width:700px;margin:0 auto}
.aivkr-dark .aivkr-title p{color:#adb5bd}

/* ============ 视频卡片 ============ */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:25px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 12px 35px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(230,81,0,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .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;transform:translate(-50%,-50%) scale(1.1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem;z-index:3}
.video-info{padding:16px}
.video-info h3{font-size:1.05rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:15px;color:#888;font-size:.85rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.video-tags span{background:#eef2f7;color:#555;padding:3px 10px;border-radius:12px;font-size:.78rem}

/* ============ 模块卡片 ============ */
.drgf6vy7{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.5211kivy{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.5211kivy:hover{transform:translateY(-5px)}
.7qrc0a{width:70px;height:70px;margin:0 auto 20px;background:linear-gradient(135deg,#1a5ccc,#0d47a1);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff}
.5211kivy h3{font-size:1.15rem;margin-bottom:10px}
.5211kivy p{color:#666;font-size:.92rem;line-height:1.6}

/* ============ 专家展示 ============ */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:100%;height:280px;object-fit:cover}
.expert-info{padding:25px}
.expert-info h3{font-size:1.2rem;margin-bottom:6px}
.expert-info .title{color:#e65100;font-size:.9rem;margin-bottom:12px}
.expert-info p{color:#666;font-size:.9rem;line-height:1.6;margin-bottom:15px}
.expert-links{display:flex;justify-content:center;gap:10px}
.expert-links a{padding:8px 20px;border-radius:20px;font-size:.85rem;font-weight:600;transition:all .3s}
.expert-links .cr4g3{background:#1a5ccc;color:#fff}
.expert-links .cr4g3:hover{background:#0d47a1;color:#fff}
.expert-links .cr4g3-outline{border:1px solid #1a5ccc;color:#1a5ccc}
.expert-links .cr4g3-outline:hover{background:#1a5ccc;color:#fff}

/* ============ FAQ ============ */
.faq-list{max-width:900px;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:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1.02rem;transition:background .3s}
.faq-question:hover{background:#f5f7fa}
.faq-question::after{content:"+";font-size:1.4rem;color:#1a5ccc;transition:transform .3s}
.faq-item.wb5eqg .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#555;line-height:1.7}
.faq-item.wb5eqg .faq-answer{padding:0 25px 20px;max-height:500px}

/* ============ 用户评论 ============ */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:25px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:15px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#1a5ccc,#e65100);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600}
.review-date{color:#999;font-size:.82rem}
.review-stars{color:#ff8f00;margin-bottom:10px;font-size:1.1rem}
.review-text{color:#555;font-size:.95rem;line-height:1.7}

/* ============ 合作品牌 ============ */
.k3y20{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.k3y20 .3tci7s7{background:#fff;padding:20px 35px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.06);font-size:1.1rem;font-weight:700;color:#555;transition:transform .3s}
.k3y20 .3tci7s7:hover{transform:scale(1.05)}

/* ============ 联系我们 ============ */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.contact-card{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.contact-card h4{margin-bottom:12px;color:#1a5ccc}
.contact-card p{color:#555;font-size:.92rem;line-height:1.6}
.contact-card img{max-width:160px;margin:10px auto}

/* ============ 分享按钮 ============ */
.cdii9f92{display:flex;justify-content:center;gap:12px;padding:20px 0}
.3l759lah{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:25px;color:#fff;font-size:.9rem;font-weight:600;transition:opacity .3s}
.3l759lah:hover{opacity:.85;color:#fff}
.btul0g{background:#07c160}
.kwqhlobl{background:#e6162d}
.ygzgwzse{background:#111}
.nfaukm{background:#00a1d6}

/* ============ 页脚 ============ */
.site-footer{background:#0a1628;color:#adb5bd;padding:50px 0 0}
.oyikjt{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:30px;max-width:1400px;margin:0 auto;padding:0 20px}
.3neht0cy h4{color:#fff;margin-bottom:15px;font-size:1.05rem}
.3neht0cy p,.3neht0cy a{color:#8899a6;font-size:.9rem;line-height:1.8}
.3neht0cy a:hover{color:#e65100}
.3neht0cy img{max-width:120px;margin-top:8px}
.m8dna{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding:20px;text-align:center;font-size:.85rem;color:#6c757d}

/* ============ 面包屑 ============ */
.breadcrumb{padding:15px 0;font-size:.9rem;color:#888}
.breadcrumb a{color:#1a5ccc}
.breadcrumb span{margin:0 8px;color:#ccc}

/* ============ 内页 ============ */
.7a75gu57{background:linear-gradient(135deg,#0d1b2a,#1b2838);padding:60px 0;text-align:center;color:#fff}
.7a75gu57 h1{font-size:2.2rem;color:#fff;margin-bottom:10px}
.7a75gu57 p{color:#adb5bd;font-size:1.05rem}
.nwfsix{padding:50px 0}
.nwfsix h2{font-size:1.6rem;margin-bottom:20px}
.nwfsix p{color:#555;line-height:1.8;margin-bottom:15px}
.afswuux{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.afswuux h4{margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #eee}
.afswuux ul li{padding:8px 0;border-bottom:1px solid #f5f5f5}
.afswuux ul li a{color:#555;font-size:.92rem}
.afswuux ul li a:hover{color:#e65100}
.xp2mex8{display:grid;grid-template-columns:1fr 320px;gap:30px}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .xp2mex8{grid-template-columns:1fr}
  .o6xb1{height:450px}
  .g03s0gy h1{font-size:2rem}
}
@media(max-width:768px){
  .a6tz8u{height:60px}
  .main-nav{display:none;position:absolute;top:60px;left:0;right:0;background:#0d1b2a;flex-direction:column;padding:15px;border-top:1px solid rgba(255,255,255,.1)}
  .main-nav.jpo445{display:flex}
  .dxh5l0{display:block}
  .o6xb1{height:400px}
  .g03s0gy h1{font-size:1.6rem}
  .g03s0gy h2{font-size:1rem}
  .aivkr{padding:45px 0}
  .aivkr-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
  .drgf6vy7{grid-template-columns:1fr 1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .cdii9f92{flex-wrap:wrap}
  .fzfv6n3{margin-left:0;margin-top:10px}
  .oyikjt{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .drgf6vy7{grid-template-columns:1fr}
  .oyikjt{grid-template-columns:1fr}
  .o6xb1{height:350px}
  .g03s0gy h1{font-size:1.3rem}
  .contact-grid{grid-template-columns:1fr}
}

/* ============ 懒加载 ============ */
img[data-src]{opacity:0;transition:opacity .5s}
img.oez6ov{opacity:1}

/* ============ 动画 ============ */
.x4qjr5w{opacity:0;transform:translateY(30px);transition:opacity .6s,transform .6s}
.x4qjr5w.2vjovx{opacity:1;transform:translateY(0)}

/* ============ How-To 指南 ============ */
.ncjtofus{max-width:800px;margin:0 auto}
.ncjtofu{display:flex;gap:20px;margin-bottom:30px;align-items:flex-start}
.tv29ryz8{width:50px;height:50px;min-width:50px;background:linear-gradient(135deg,#1a5ccc,#e65100);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.3rem;font-weight:700}
.uiydqzg h4{margin-bottom:6px;font-size:1.05rem}
.uiydqzg p{color:#666;font-size:.92rem}

/* ============ 统计数据 ============ */
.o072yy{display:flex;justify-content:center;gap:50px;flex-wrap:wrap;padding:40px 0}
.fs82pq2h{text-align:center}
.xvg4x0{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,#ff8f00,#e65100);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.gjsxji1j{color:#adb5bd;font-size:.95rem;margin-top:5px}

/* ============ 标签云 ============ */
.lwp7l62{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:20px 0}
.lwp7l62 a{background:#eef2f7;color:#555;padding:6px 18px;border-radius:20px;font-size:.88rem;transition:all .3s}
.lwp7l62 a:hover{background:#1a5ccc;color:#fff}

/* ============ 面包屑导航 ============ */
.breadcrumb-nav{background:#f0f2f5;border-bottom:1px solid #e0e4e8}
.breadcrumb{display:flex;align-items:center;padding:12px 0;font-size:.88rem;color:#888;list-style:none;margin:0}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li::after{content:"/";margin:0 8px;color:#ccc}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:#1a5ccc}
.breadcrumb a:hover{color:#e65100}

/* ============ 视频Badge ============ */
.video-badge{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,#e65100,#ff8f00);color:#fff;padding:3px 10px;border-radius:4px;font-size:.75rem;font-weight:600;z-index:3}
.video-desc{color:#666;font-size:.88rem;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 视频H5播放器 ============ */
.video-thumb video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:1;display:none}
.video-thumb video.playing{display:block}
.video-thumb .video-poster{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:2;transition:opacity .3s}
.video-thumb .video-poster.z9yvi{opacity:0;pointer-events:none}

/* ============ 专家资质 ============ */
.expert-credentials{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;justify-content:center}
.credential-badge{background:#eef2f7;color:#1a5ccc;padding:4px 12px;border-radius:15px;font-size:.78rem;font-weight:600;border:1px solid #d0dae8}

/* ============ 最新动态 ============ */
.z9zdn{max-width:900px;margin:0 auto}
.ob8392z{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid #e0e4e8;align-items:flex-start}
.ob8392z:last-child{border-bottom:none}
.ob8392z time{min-width:100px;color:#1a5ccc;font-weight:600;font-size:.9rem}
.ob8392z span{color:#555;font-size:.92rem;line-height:1.6}

@media(max-width:480px){
  .ob8392z{flex-direction:column;gap:5px}
  .breadcrumb{font-size:.8rem}
}