/* ===== 香蕉视频 - 汽车改装视频社区 全站样式 ===== */
/* 品牌色彩: 深蓝#0a1628 橙红#e8491d 金色#f0b429 浅灰#f4f6f9 */


/* Noise container */
.mxd8wfo{position:absolute;left:-9999px;top:-9999px;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-1}
/* 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:#2d3748;background:#f4f6f9;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
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:#0a1628}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== Header / Navigation ===== */
.site-header{background:#0a1628;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.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{height:48px;width:auto}
.logo-wrap .brand-name{color:#fff;font-size:1.4rem;font-weight:800;letter-spacing:2px}
.logo-wrap .brand-name span{color:#e8491d}

.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#cbd5e0;padding:12px 16px;font-size:.95rem;font-weight:500;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#f0b429}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:3px;background:#e8491d;transition:all .3s;transform:translateX(-50%)}
.main-nav a:hover::after,.main-nav a.active::after{width:70%}

.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:#111d30;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.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;border:2px solid #e8491d;border-right:none;border-radius:25px 0 0 25px;background:#0d1b2a;color:#fff;font-size:.95rem;outline:none}
.search-box input::placeholder{color:#718096}
.search-box input:focus{border-color:#f0b429}
.search-box button{padding:10px 24px;background:#e8491d;color:#fff;border:2px solid #e8491d;border-radius:0 25px 25px 0;cursor:pointer;font-weight:600;transition:background .3s}
.search-box button:hover{background:#c73a15}

/* ===== Hero Banner ===== */
.hero-section{position:relative;height:520px;overflow:hidden;background:#0a1628}
.hero-section .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6)}
.hero-content{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;height:100%;padding:0 60px;max-width:1200px;margin:0 auto}
.hero-content h1{font-size:2.8rem;color:#fff;margin-bottom:16px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-content h1 span{color:#e8491d}
.hero-content p{font-size:1.15rem;color:#e2e8f0;max-width:600px;margin-bottom:24px;text-shadow:1px 1px 4px rgba(0,0,0,.5)}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 32px;background:#e8491d;color:#fff;border-radius:30px;font-weight:700;font-size:1rem;transition:all .3s;border:2px solid #e8491d}
.btn-primary:hover{background:transparent;color:#e8491d}
.btn-secondary{display:inline-block;padding:12px 32px;background:transparent;color:#fff;border-radius:30px;font-weight:700;font-size:1rem;border:2px solid #f0b429;transition:all .3s}
.btn-secondary:hover{background:#f0b429;color:#0a1628}

/* ===== Section Common ===== */
.section{padding:60px 0}
.section-dark{background:#0a1628;color:#fff}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-alt{background:#e8edf3}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;margin-bottom:8px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:#e8491d;margin:12px auto 0;border-radius:2px}
.section-title p{color:#718096;font-size:1.05rem;margin-top:8px}
.section-dark .section-title p{color:#a0aec0}

/* ===== Video Cards ===== */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(0,0,0,.15)}
.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 .4s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.4);opacity:0;transition:opacity .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn span{width:60px;height:60px;background:#e8491d;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0}
.play-btn span::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:12px 0 12px 22px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-info{padding:16px}
.video-info h4{font-size:1.05rem;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:16px;color:#a0aec0;font-size:.85rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;padding:2px 10px;background:#e8491d;color:#fff;border-radius:12px;font-size:.75rem;font-weight:600;position:absolute;top:12px;left:12px;z-index:2}

/* ===== Feature Grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:#fff;border-radius:12px;padding:30px 24px;text-align:center;transition:all .3s;border:1px solid #e2e8f0}
.feature-card:hover{border-color:#e8491d;box-shadow:0 8px 25px rgba(232,73,29,.12);transform:translateY(-4px)}
.feature-icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#e8491d,#f0b429);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff}
.feature-card h4{font-size:1.05rem;margin-bottom:8px}
.feature-card p{color:#718096;font-size:.9rem;line-height:1.6}

/* ===== AI Section ===== */
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ai-image{border-radius:16px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.2)}
.ai-image img{width:100%;display:block}
.ai-content h3{font-size:1.6rem;margin-bottom:16px;color:#f0b429}
.ai-content p{margin-bottom:16px;color:#cbd5e0;line-height:1.8}
.ai-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.ai-tag{padding:6px 16px;background:rgba(232,73,29,.15);color:#e8491d;border-radius:20px;font-size:.85rem;font-weight:600}

/* ===== Community Section ===== */
.community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.community-card{background:#fff;border-radius:12px;overflow:hidden;transition:all .3s;cursor:pointer}
.community-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,.1)}
.community-card .card-img{height:160px;overflow:hidden}
.community-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.community-card:hover .card-img img{transform:scale(1.08)}
.community-card .card-body{padding:14px}
.community-card .card-body h5{font-size:.95rem;margin-bottom:6px}
.community-card .card-body p{color:#a0aec0;font-size:.82rem}

/* ===== Expert Section ===== */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:16px;overflow:hidden;text-align:center;transition:all .3s;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.expert-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(0,0,0,.12)}
.expert-photo{height:240px;overflow:hidden}
.expert-photo img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .4s}
.expert-card:hover .expert-photo img{transform:scale(1.05)}
.expert-body{padding:20px}
.expert-body h4{font-size:1.1rem;margin-bottom:4px}
.expert-body .role{color:#e8491d;font-size:.85rem;font-weight:600;margin-bottom:8px}
.expert-body p{color:#718096;font-size:.85rem;line-height:1.6;margin-bottom:12px}
.expert-btns{display:flex;gap:8px;justify-content:center}
.expert-btns a{padding:6px 16px;border-radius:20px;font-size:.8rem;font-weight:600;transition:all .3s}
.expert-btns .btn-sm-primary{background:#e8491d;color:#fff}
.expert-btns .btn-sm-primary:hover{background:#c73a15}
.expert-btns .btn-sm-outline{border:1px solid #e8491d;color:#e8491d}
.expert-btns .btn-sm-outline:hover{background:#e8491d;color:#fff}

/* ===== Partner Section ===== */
.partner-wall{text-align:center}
.partner-wall img{max-width:900px;margin:0 auto;opacity:.7;transition:opacity .3s}
.partner-wall img:hover{opacity:1}

/* ===== How-To Guide ===== */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:30px}
.howto-step{text-align:center;padding:24px}
.howto-step .step-num{width:50px;height:50px;background:#e8491d;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:800;margin:0 auto 16px}
.howto-step h5{font-size:1rem;margin-bottom:8px}
.howto-step p{color:#718096;font-size:.88rem}

/* ===== FAQ Section ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid #e2e8f0;transition:border-color .3s}
.faq-item:hover{border-color:#e8491d}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;color:#0a1628}
.faq-question::after{content:'+';font-size:1.4rem;color:#e8491d;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s ease;color:#4a5568;line-height:1.8}
.faq-item.active .faq-answer{padding:0 24px 18px;max-height:500px}

/* ===== Reviews Section ===== */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;border-left:4px solid #e8491d;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.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,#e8491d,#f0b429);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:700;font-size:.95rem}
.review-date{color:#a0aec0;font-size:.8rem}
.review-stars{color:#f0b429;font-size:.9rem;margin-bottom:8px}
.review-text{color:#4a5568;font-size:.92rem;line-height:1.7}

/* ===== Contact Section ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-item{display:flex;gap:16px;align-items:flex-start}
.contact-icon{width:48px;height:48px;min-width:48px;background:linear-gradient(135deg,#e8491d,#f0b429);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem}
.contact-item h5{font-size:1rem;margin-bottom:4px}
.contact-item p{color:#718096;font-size:.9rem}
.contact-qr{display:flex;gap:24px;justify-content:center}
.qr-item{text-align:center}
.qr-item img{width:160px;height:160px;border-radius:8px;margin-bottom:8px}
.qr-item p{font-size:.85rem;color:#718096}

/* ===== Footer ===== */
.site-footer{background:#060e1a;color:#a0aec0;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand img{height:40px;margin-bottom:12px}
.footer-brand p{font-size:.88rem;line-height:1.7;color:#718096}
.footer-col h5{color:#fff;font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h5::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#e8491d}
.footer-col a{display:block;padding:4px 0;font-size:.88rem;color:#718096;transition:color .3s}
.footer-col a:hover{color:#e8491d}
.footer-bottom{padding:20px 0;text-align:center;font-size:.85rem}
.footer-bottom .update-time{color:#f0b429;font-weight:600}

/* Social Share */
.social-share{display:flex;gap:12px;justify-content:center;margin:20px 0}
.social-share a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.9rem;transition:all .3s}
.social-share a:hover{background:#e8491d;transform:translateY(-3px)}

/* ===== Breadcrumb ===== */
.breadcrumb{padding:16px 0;font-size:.88rem;color:#718096}
.breadcrumb a{color:#e8491d}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{margin:0 8px;color:#cbd5e0}

/* ===== Inner Page Hero ===== */
.inner-hero{background:#0a1628;padding:60px 0 40px;text-align:center}
.inner-hero h1{color:#fff;font-size:2.2rem;margin-bottom:8px}
.inner-hero p{color:#a0aec0;font-size:1.05rem}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .feature-grid,.expert-grid{grid-template-columns:repeat(2,1fr)}
  .community-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .ai-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
  .main-nav.active{display:flex}
  .mobile-toggle{display:block}
  .hero-section{height:400px}
  .hero-content{padding:0 20px}
  .hero-content h1{font-size:1.8rem}
  .feature-grid,.expert-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .community-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .contact-qr{flex-direction:column;align-items:center}
}

/* ===== Moved inline styles ===== */
.hero-bg-main{background-image:url('../images/banner-hero.jpg')}
.howto-title{margin-top:50px}
.contact-shop-img{border-radius:12px;margin-bottom:20px}
.section-share{padding:30px 0}
.share-center{text-align:center}
.expert-cred{color:#e8491d;font-size:.8rem;font-weight:500;margin-top:6px;line-height:1.5}
.video-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}

/* ===== Lazy Load ===== */
img[data-src]{opacity:0;transition:opacity .5s}
img.loaded{opacity:1}

/* ===== Interference tags - hidden ===== */
.kkt-h{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;padding:0;margin:-1px}

/* ===== Inner page moved styles ===== */
.brand-story-content{color:#2d3748}
.brand-story-title{color:#e8491d}
.brand-story-text{color:#4a5568}
.ai-tool-content{color:#2d3748}
.ai-tool-title{color:#e8491d}
.ai-tool-text{color:#4a5568}