/* ============================================
   香蕉视频 - 原创样式表
   品牌：香蕉视频 | 域名：zgeobm.cn
   配色：糖心粉红 #E8456B + 暖橘 #FF7E5F
   ============================================ */

/* CSS Reset & Base */
*,*::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:#0F0F1A;color:#fff;line-height:1.8;overflow-x:hidden}
a{color:#E8456B;text-decoration:none;transition:color .3s}
a:hover{color:#FF7E5F}
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}

/* Container */
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.section-padding{padding:60px 0}

/* ============ Header & Navigation ============ */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,15,26,.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(232,69,107,.2);transition:all .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;max-width:1280px;margin:0 auto;padding:0 20px}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:45px;width:auto}
.site-logo span{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,#E8456B,#FF7E5F);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.site-logo .logo-icon{border-radius:8px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{padding:8px 16px;font-size:.95rem;color:#B8B8CC;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#E8456B}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:linear-gradient(135deg,#E8456B,#FF7E5F);transition:width .3s}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.mobile-menu-btn span{width:25px;height:2px;background:#E8456B;transition:all .3s}

/* Search Bar */
.search-bar{background:rgba(30,30,50,.8);border-bottom:1px solid rgba(232,69,107,.1);padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-wrapper{display:flex;max-width:600px;width:100%;position:relative}
.search-wrapper input{flex:1;padding:10px 20px;border:2px solid rgba(232,69,107,.3);border-radius:25px 0 0 25px;background:rgba(15,15,26,.8);color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-wrapper input:focus{border-color:#E8456B}
.search-wrapper input::placeholder{color:#666}
.search-wrapper button{padding:10px 25px;background:linear-gradient(135deg,#E8456B,#FF7E5F);border:none;border-radius:0 25px 25px 0;color:#fff;font-size:.95rem;cursor:pointer;transition:opacity .3s}
.search-wrapper button:hover{opacity:.85}

/* ============ Hero Banner ============ */
.hero-section{position:relative;min-height:500px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:70px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.6}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,15,26,.3) 0%,rgba(15,15,26,.9) 100%);z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;padding:40px 20px}
.hero-content h1{font-size:3rem;margin-bottom:15px;background:linear-gradient(135deg,#E8456B,#FF7E5F,#FFD700);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content p{font-size:1.2rem;color:#B8B8CC;max-width:700px;margin:0 auto 30px}
.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px}
.hero-tags span{padding:6px 16px;border-radius:20px;font-size:.85rem;background:rgba(232,69,107,.15);border:1px solid rgba(232,69,107,.3);color:#E8456B}

/* ============ Section Titles ============ */
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(135deg,#E8456B,#FF7E5F);margin:10px auto 0;border-radius:2px}
.section-title p{color:#B8B8CC;font-size:1rem;margin-top:10px}

/* ============ Video Cards Grid ============ */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#1E1E32;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(232,69,107,.2)}
.video-card a{color:inherit;text-decoration:none}
.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 .3s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:50px;height:50px;background:rgba(232,69,107,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.play-icon::after{content:'';border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.video-card:hover .play-icon{opacity:1}
.video-stats{position:absolute;bottom:8px;left:8px;right:8px;display:flex;gap:10px;font-size:.75rem;color:rgba(255,255,255,.9)}
.video-stats span{background:rgba(0,0,0,.6);padding:2px 8px;border-radius:4px}
.video-info{padding:12px 15px}
.video-info h3{font-size:.95rem;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.video-info .video-meta{display:flex;justify-content:space-between;font-size:.8rem;color:#888}
.video-tag{display:inline-block;padding:2px 8px;background:rgba(232,69,107,.15);color:#E8456B;border-radius:4px;font-size:.75rem;margin-top:5px}

/* ============ Category Tabs ============ */
.category-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:30px}
.category-tabs .tab{padding:8px 20px;border-radius:20px;border:1px solid rgba(232,69,107,.3);color:#B8B8CC;cursor:pointer;transition:all .3s;font-size:.9rem}
.category-tabs .tab:hover,.category-tabs .tab.active{background:linear-gradient(135deg,#E8456B,#FF7E5F);color:#fff;border-color:transparent}

/* ============ Feature Sections ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.feature-card{background:#1E1E32;border-radius:12px;padding:30px;text-align:center;transition:transform .3s,box-shadow .3s;border:1px solid rgba(232,69,107,.1)}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(232,69,107,.15);border-color:rgba(232,69,107,.3)}
.feature-icon{width:60px;height:60px;margin:0 auto 15px;background:linear-gradient(135deg,rgba(232,69,107,.2),rgba(255,126,95,.2));border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.feature-card h3{font-size:1.1rem;margin-bottom:10px;color:#fff}
.feature-card p{font-size:.9rem;color:#B8B8CC;line-height:1.6}

/* ============ Expert Section ============ */
.expert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.expert-card{background:#1E1E32;border-radius:12px;overflow:hidden;text-align:center;transition:transform .3s;border:1px solid rgba(232,69,107,.1)}
.expert-card:hover{transform:translateY(-5px);border-color:rgba(232,69,107,.3)}
.expert-card .expert-img{height:250px;overflow:hidden}
.expert-card .expert-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.expert-card:hover .expert-img img{transform:scale(1.05)}
.expert-card .expert-info{padding:20px}
.expert-card h3{font-size:1.05rem;margin-bottom:5px}
.expert-card .expert-title{color:#E8456B;font-size:.85rem;margin-bottom:8px}
.expert-card p{font-size:.85rem;color:#B8B8CC;line-height:1.5}
.expert-card .expert-btns{display:flex;gap:10px;justify-content:center;margin-top:12px}
.expert-card .expert-btns a{padding:6px 15px;border-radius:20px;font-size:.8rem;transition:all .3s}
.btn-primary{background:linear-gradient(135deg,#E8456B,#FF7E5F);color:#fff;border:none}
.btn-outline{border:1px solid #E8456B;color:#E8456B;background:transparent}
.btn-outline:hover{background:rgba(232,69,107,.1);color:#E8456B}

/* ============ Brand Wall ============ */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:#1E1E32;padding:20px 30px;border-radius:10px;font-size:1.1rem;font-weight:700;color:#B8B8CC;border:1px solid rgba(232,69,107,.1);transition:all .3s}
.brand-wall .brand-item:hover{border-color:#E8456B;color:#E8456B}

/* ============ Reviews ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#1E1E32;border-radius:12px;padding:25px;border:1px solid rgba(232,69,107,.1)}
.review-card .stars{color:#FFD700;margin-bottom:10px;font-size:1.1rem}
.review-card p{font-size:.9rem;color:#B8B8CC;line-height:1.6;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#E8456B,#FF7E5F);display:flex;align-items:center;justify-content:center;font-size:.9rem;color:#fff;font-weight:700}
.review-card .reviewer .name{font-size:.85rem;color:#fff}
.review-card .reviewer .date{font-size:.75rem;color:#888}

/* ============ FAQ ============ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#1E1E32;border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid rgba(232,69,107,.1)}
.faq-question{padding:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1rem;font-weight:600;transition:background .3s}
.faq-question:hover{background:rgba(232,69,107,.05)}
.faq-question .arrow{transition:transform .3s;color:#E8456B;font-size:1.2rem}
.faq-item.active .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:all .3s;color:#B8B8CC;font-size:.9rem;line-height:1.7}
.faq-item.active .faq-answer{padding:0 25px 18px;max-height:500px}

/* ============ Contact Section ============ */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info-card{background:#1E1E32;border-radius:12px;padding:30px;border:1px solid rgba(232,69,107,.1)}
.contact-info-card h3{font-size:1.2rem;margin-bottom:15px;color:#E8456B}
.contact-info-card .info-item{display:flex;gap:12px;margin-bottom:12px;align-items:flex-start}
.contact-info-card .info-item .icon{width:35px;height:35px;background:rgba(232,69,107,.15);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#E8456B}
.contact-info-card .info-item .text{font-size:.9rem;color:#B8B8CC}
.contact-info-card .info-item .text strong{color:#fff;display:block;margin-bottom:2px}
.qrcode-grid{display:flex;gap:20px;justify-content:center;margin-top:20px}
.qrcode-item{text-align:center}
.qrcode-item img{width:150px;height:150px;border-radius:10px;margin-bottom:8px}
.qrcode-item span{font-size:.85rem;color:#B8B8CC}

/* ============ How-To Section ============ */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.howto-step{background:#1E1E32;border-radius:12px;padding:25px;text-align:center;position:relative;border:1px solid rgba(232,69,107,.1)}
.howto-step .step-num{width:40px;height:40px;background:linear-gradient(135deg,#E8456B,#FF7E5F);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;margin:0 auto 12px}
.howto-step h4{font-size:1rem;margin-bottom:8px}
.howto-step p{font-size:.85rem;color:#B8B8CC}

/* ============ Share Buttons ============ */
.share-buttons{display:flex;justify-content:center;gap:15px;margin-top:20px}
.share-btn{width:45px;height:45px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;color:#fff;transition:transform .3s,opacity .3s;cursor:pointer}
.share-btn:hover{transform:scale(1.1);opacity:.85}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00A1D6}

/* ============ Footer ============ */
.site-footer{background:#0A0A15;border-top:1px solid rgba(232,69,107,.15);padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-col h4{font-size:1rem;margin-bottom:15px;color:#E8456B}
.footer-col p,.footer-col a{font-size:.85rem;color:#888;line-height:2}
.footer-col a:hover{color:#E8456B}
.footer-col .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-col .footer-logo img{height:35px}
.footer-col .footer-logo span{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,#E8456B,#FF7E5F);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.05);font-size:.8rem;color:#666}
.footer-bottom a{color:#888}
.footer-bottom .update-time{margin-top:5px;color:#555}

/* ============ Breadcrumb ============ */
.breadcrumb{padding:15px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#B8B8CC}
.breadcrumb a:hover{color:#E8456B}
.breadcrumb span{margin:0 8px;color:#555}

/* ============ Video Player Page ============ */
.video-player-wrapper{position:relative;padding-top:56.25%;background:#000;border-radius:12px;overflow:hidden;margin-bottom:25px}
.video-player-wrapper iframe{position:absolute;inset:0;width:100%;height:100%;border:none}
.video-detail{background:#1E1E32;border-radius:12px;padding:25px;margin-bottom:25px}
.video-detail h1{font-size:1.5rem;margin-bottom:12px}
.video-detail .meta{display:flex;gap:20px;font-size:.9rem;color:#888;margin-bottom:15px;flex-wrap:wrap}
.video-detail .meta span{display:flex;align-items:center;gap:5px}
.video-detail .description{font-size:.95rem;color:#B8B8CC;line-height:1.8}
.video-detail .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}
.video-detail .tag-list span{padding:4px 12px;background:rgba(232,69,107,.1);color:#E8456B;border-radius:15px;font-size:.8rem}
.sidebar-videos{display:flex;flex-direction:column;gap:12px}
.sidebar-video{display:flex;gap:12px;background:#1E1E32;border-radius:10px;overflow:hidden;transition:background .3s;cursor:pointer}
.sidebar-video:hover{background:#252545}
.sidebar-video .thumb{width:160px;height:90px;flex-shrink:0;overflow:hidden}
.sidebar-video .thumb img{width:100%;height:100%;object-fit:cover}
.sidebar-video .info{padding:8px 10px;display:flex;flex-direction:column;justify-content:center}
.sidebar-video .info h4{font-size:.85rem;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sidebar-video .info span{font-size:.75rem;color:#888}

/* ============ Inner Page Layout ============ */
.page-layout{display:grid;grid-template-columns:1fr 350px;gap:30px;padding-top:100px}
.page-main{min-width:0}
.page-sidebar{position:sticky;top:100px;align-self:start}
.page-sidebar h3{font-size:1.1rem;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid rgba(232,69,107,.3)}

/* ============ Lazy Load ============ */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

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

/* ============ Responsive ============ */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(3,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .page-layout{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .main-nav{display:none;position:absolute;top:70px;left:0;width:100%;background:rgba(15,15,26,.98);flex-direction:column;padding:20px;border-top:1px solid rgba(232,69,107,.2)}
  .main-nav.active{display:flex}
  .mobile-menu-btn{display:flex}
  .hero-content h1{font-size:2rem}
  .hero-content p{font-size:1rem}
  .section-padding{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .footer-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .header-inner{height:60px}
  .hero-section{min-height:350px}
  .hero-content h1{font-size:1.6rem}
}