/* ============================================
   香蕉漫画 - 原创样式表
   品牌：香蕉漫画 | 域名：kkxwxb.cn
   影视传媒公司 + 视频社区
   ============================================ */

/* === 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:#0D1117;color:#E8ECF1;line-height:1.7;overflow-x:hidden}
a{color:#FF6B35;text-decoration:none;transition:color .3s}
a:hover{color:#00D4AA}
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}

/* === 容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:28px;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:"";display:block;width:60px;height:3px;background:linear-gradient(90deg,#FF6B35,#00D4AA);margin:10px auto 0}
.section-title p{color:#9BA3AF;font-size:15px;max-width:600px;margin:0 auto}

/* === 头部导航 === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,17,23,.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);transition:all .3s}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:36px;width:auto}
.site-logo span{font-size:20px;font-weight:700;background:linear-gradient(135deg,#FF6B35,#00D4AA);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;border-radius:6px;font-size:14px;color:#C8CDD5;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#FF6B35;background:rgba(255,107,53,.08)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:#E8ECF1;border-radius:2px;transition:all .3s}

/* === 搜索框 === */
.search-bar{background:rgba(22,27,40,.9);border-bottom:1px solid rgba(255,255,255,.04);padding:12px 0;margin-top:64px}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:560px;width:100%;background:#1A1E2E;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.search-box input{flex:1;padding:10px 20px;background:transparent;border:none;color:#E8ECF1;font-size:14px;outline:none}
.search-box input::placeholder{color:#6B7280}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#FF6B35,#E85D2C);color:#fff;border:none;cursor:pointer;font-size:14px;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* === Hero 横幅 === */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:#0D1117}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,17,23,.9) 0%,rgba(13,17,23,.5) 50%,rgba(13,17,23,.85) 100%)}
.hero-content{position:relative;z-index:2;max-width:640px}
.hero-content h1{font-size:38px;margin-bottom:16px;line-height:1.25}
.hero-content h1 em{font-style:normal;color:#FF6B35}
.hero-content p{font-size:16px;color:#B0B8C4;margin-bottom:28px;line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.hero-tags span{padding:5px 14px;background:rgba(255,107,53,.1);border:1px solid rgba(255,107,53,.2);border-radius:16px;font-size:13px;color:#FF6B35}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;border-radius:8px;font-size:14px;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#FF6B35,#E85D2C);color:#fff;box-shadow:0 4px 15px rgba(255,107,53,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,53,.4);color:#fff}
.btn-outline{background:transparent;color:#00D4AA;border:1px solid #00D4AA}
.btn-outline:hover{background:rgba(0,212,170,.1);color:#00D4AA}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{position:relative;border-radius:10px;overflow:hidden;background:#161B28;transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.4)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;inset: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%) scale(0);width:52px;height:52px;background:rgba(255,107,53,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;z-index:3}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.play-btn::after{content:"";display:block;width:0;height:0;border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:3px}
.video-card .card-info{padding:14px}
.video-card .card-info h4{font-size:14px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;justify-content:space-between;font-size:12px;color:#6B7280}
.video-card .card-meta .views{color:#FF6B35}
.video-card .tag{position:absolute;top:10px;left:10px;padding:3px 10px;background:rgba(255,107,53,.85);border-radius:4px;font-size:11px;color:#fff;z-index:3}
.video-card .duration{position:absolute;bottom:10px;right:10px;padding:2px 8px;background:rgba(0,0,0,.75);border-radius:4px;font-size:11px;color:#fff;z-index:3}

/* === 模块卡片 === */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:#161B28;border-radius:12px;padding:28px;border:1px solid rgba(255,255,255,.05);transition:all .3s}
.module-card:hover{border-color:rgba(255,107,53,.3);transform:translateY(-3px)}
.module-card .icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.module-card .icon.orange{background:rgba(255,107,53,.12);color:#FF6B35}
.module-card .icon.teal{background:rgba(0,212,170,.12);color:#00D4AA}
.module-card .icon.purple{background:rgba(139,92,246,.12);color:#8B5CF6}
.module-card h4{font-size:17px;margin-bottom:8px}
.module-card p{font-size:13px;color:#9BA3AF;line-height:1.7}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#161B28;border-radius:12px;padding:24px;text-align:center;border:1px solid rgba(255,255,255,.05);transition:all .3s}
.expert-card:hover{border-color:rgba(0,212,170,.3)}
.expert-card .avatar{width:90px;height:90px;border-radius:50%;margin:0 auto 14px;overflow:hidden;border:3px solid rgba(255,107,53,.3)}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:16px;margin-bottom:4px}
.expert-card .role{font-size:13px;color:#FF6B35;margin-bottom:8px}
.expert-card p{font-size:12px;color:#9BA3AF;line-height:1.6;margin-bottom:14px}
.expert-card .expert-btns{display:flex;gap:8px;justify-content:center}
.expert-card .expert-btns a{padding:6px 14px;border-radius:6px;font-size:12px;border:1px solid rgba(255,255,255,.1);color:#C8CDD5;transition:all .3s}
.expert-card .expert-btns a:hover{border-color:#FF6B35;color:#FF6B35}

/* === 合作品牌 === */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-wall .partner-item{width:140px;height:60px;background:#161B28;border-radius:8px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.05);transition:all .3s;padding:10px}
.partner-wall .partner-item:hover{border-color:rgba(255,107,53,.3)}
.partner-wall .partner-item span{font-size:14px;color:#6B7280;font-weight:600}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#161B28;border-radius:10px;margin-bottom:12px;border:1px solid rgba(255,255,255,.05);overflow:hidden}
.faq-item .faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600;transition:color .3s}
.faq-item .faq-q:hover{color:#FF6B35}
.faq-item .faq-q .arrow{transition:transform .3s;color:#6B7280;font-size:18px}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s ease;font-size:14px;color:#9BA3AF;line-height:1.8}
.faq-item.open .faq-a{padding:0 24px 18px;max-height:300px}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#161B28;border-radius:12px;padding:24px;border:1px solid rgba(255,255,255,.05)}
.review-card .review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-card .review-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#00D4AA);display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;font-weight:700}
.review-card .review-name{font-size:14px;font-weight:600}
.review-card .review-date{font-size:12px;color:#6B7280}
.review-card .stars{color:#FF6B35;font-size:14px;margin-bottom:10px;letter-spacing:2px}
.review-card .review-text{font-size:13px;color:#B0B8C4;line-height:1.8}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:start}
.contact-info{background:#161B28;border-radius:12px;padding:30px;border:1px solid rgba(255,255,255,.05)}
.contact-info h3{font-size:20px;margin-bottom:20px;color:#FF6B35}
.contact-info .info-item{display:flex;gap:12px;margin-bottom:16px;font-size:14px;color:#B0B8C4}
.contact-info .info-item .label{color:#6B7280;min-width:80px}
.contact-qr{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.contact-qr .qr-item{text-align:center}
.contact-qr .qr-item img{width:160px;height:160px;border-radius:8px;margin-bottom:8px}
.contact-qr .qr-item p{font-size:13px;color:#9BA3AF}

/* === 社交分享 === */
.share-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-bar a{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:13px;background:#161B28;color:#C8CDD5;border:1px solid rgba(255,255,255,.08);transition:all .3s}
.share-bar a:hover{border-color:#FF6B35;color:#FF6B35}

/* === 页脚 === */
.site-footer{background:#0A0D14;border-top:1px solid rgba(255,255,255,.05);padding:40px 0 20px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#FF6B35}
.footer-col p,.footer-col a{font-size:13px;color:#6B7280;display:block;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:#FF6B35}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:12px;color:#4B5563}

/* === How-To 指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.howto-step{text-align:center;padding:24px;background:#161B28;border-radius:12px;border:1px solid rgba(255,255,255,.05)}
.howto-step .step-num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#E85D2C);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:16px;font-weight:700;color:#fff}
.howto-step h5{font-size:14px;margin-bottom:6px}
.howto-step p{font-size:12px;color:#9BA3AF}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:13px;color:#6B7280}
.breadcrumb a{color:#9BA3AF}
.breadcrumb a:hover{color:#FF6B35}
.breadcrumb span{margin:0 6px}

/* === 内页通用 === */
.page-hero{padding:100px 0 50px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,107,53,.08),rgba(0,212,170,.05));z-index:0}
.page-hero h1{font-size:32px;margin-bottom:12px;position:relative;z-index:1}
.page-hero p{font-size:15px;color:#9BA3AF;position:relative;z-index:1}

/* === 响应式 === */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:repeat(2,1fr)}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:64px;left:0;width:100%;background:rgba(13,17,23,.98);flex-direction:column;padding:16px;gap:4px;border-bottom:1px solid rgba(255,255,255,.06)}
  .main-nav.open{display:flex}
  .nav-toggle{display:flex}
  .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-top{grid-template-columns:1fr}
  .hero-content h1{font-size:26px}
  .hero{min-height:420px}
  .section{padding:40px 0}
  .howto-steps{grid-template-columns:1fr}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .hero-content h1{font-size:22px}
  .section-title h2{font-size:22px}
}

/* === 懒加载 === */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}

/* === 动画 === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeInUp .6s ease forwards}

/* === 滚动条 === */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:#0D1117}
::-webkit-scrollbar-thumb{background:#2D3348;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:#3D4458}