/* ============================================
   成人小说 - 汽车改装视频社区 原创样式
   配色：深蓝 #0A1628 | 电光蓝 #0066FF | 赛道橙 #FF6600
   碳灰 #1E2A3A | 银灰 #B0BEC5 | 白 #F5F7FA
   ============================================ */
*{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;color:#E0E6ED;background:#0A1628;line-height:1.7}
a{color:#0066FF;text-decoration:none;transition:color .3s}
a:hover{color:#FF6600}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.lbhd92v-wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 顶部导航 === */
.lbhd92v-topbar{background:rgba(10,22,40,.96);position:fixed;top:0;left:0;width:100%;z-index:1000;border-bottom:1px solid rgba(0,102,255,.15);backdrop-filter:blur(12px)}
.lbhd92v-topbar .lbhd92v-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.lbhd92v-logo{display:flex;align-items:center;gap:10px}
.lbhd92v-logo img{width:42px;height:42px;border-radius:8px}
.lbhd92v-logo span{font-size:22px;font-weight:700;color:#fff;letter-spacing:1px}
.lbhd92v-nav{display:flex;gap:28px;align-items:center}
.lbhd92v-nav a{color:#B0BEC5;font-size:15px;font-weight:500;padding:6px 0;position:relative;transition:color .3s}
.lbhd92v-nav a:hover,.lbhd92v-nav a.active{color:#FF6600}
.lbhd92v-nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:#FF6600;transition:width .3s}
.lbhd92v-nav a:hover::after,.lbhd92v-nav a.active::after{width:100%}
.lbhd92v-menu-btn{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* === 搜索框 === */
.lbhd92v-search-bar{background:#0D1B2E;padding:12px 0;border-bottom:1px solid rgba(0,102,255,.1)}
.lbhd92v-search-box{display:flex;max-width:560px;margin:0 auto}
.lbhd92v-search-box input{flex:1;padding:10px 18px;background:#1E2A3A;border:1px solid rgba(0,102,255,.25);border-right:none;border-radius:6px 0 0 6px;color:#E0E6ED;font-size:14px;outline:none}
.lbhd92v-search-box input::placeholder{color:#607D8B}
.lbhd92v-search-box input:focus{border-color:#0066FF}
.lbhd92v-search-box button{padding:10px 24px;background:linear-gradient(135deg,#0066FF,#0044CC);color:#fff;border:none;border-radius:0 6px 6px 0;font-size:14px;cursor:pointer;transition:background .3s}
.lbhd92v-search-box button:hover{background:linear-gradient(135deg,#FF6600,#E65500)}

/* === Hero区域 === */
.lbhd92v-hero{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-top:68px}
.lbhd92v-hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;filter:brightness(.45)}
.lbhd92v-hero-content{position:relative;z-index:2;text-align:center;padding:0 20px}
.lbhd92v-hero h1{font-size:42px;font-weight:800;color:#fff;margin-bottom:14px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.lbhd92v-hero h1 em{font-style:normal;color:#FF6600}
.lbhd92v-hero p{font-size:18px;color:#B0BEC5;margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}
.lbhd92v-hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.lbhd92v-btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#FF6600,#E65500);color:#fff;border-radius:8px;font-size:16px;font-weight:600;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer}
.lbhd92v-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,102,0,.35);color:#fff}
.lbhd92v-btn-outline{display:inline-block;padding:12px 32px;border:2px solid #0066FF;color:#0066FF;border-radius:8px;font-size:16px;font-weight:600;transition:all .3s;background:transparent;cursor:pointer}
.lbhd92v-btn-outline:hover{background:#0066FF;color:#fff}

/* === 通用区块 === */
.lbhd92v-section{padding:60px 0}
.lbhd92v-section-dark{background:#0D1B2E}
.lbhd92v-section-alt{background:#111E30}
.lbhd92v-section-title{text-align:center;margin-bottom:42px}
.lbhd92v-section-title h2{font-size:30px;font-weight:700;color:#fff;margin-bottom:10px}
.lbhd92v-section-title h2 em{font-style:normal;color:#FF6600}
.lbhd92v-section-title p{font-size:15px;color:#78909C;max-width:600px;margin:0 auto}

/* === 视频卡片网格 === */
.lbhd92v-video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lbhd92v-video-card{background:#1E2A3A;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;position:relative}
.lbhd92v-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,102,255,.2)}
.lbhd92v-video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.lbhd92v-video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.lbhd92v-video-card:hover .lbhd92v-video-thumb img{transform:scale(1.06)}
.lbhd92v-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(255,102,0,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer;z-index:3}
.lbhd92v-play-btn::after{content:'';border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.lbhd92v-video-card:hover .lbhd92v-play-btn{opacity:1}
.lbhd92v-video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px;z-index:3}
.lbhd92v-video-info{padding:16px}
.lbhd92v-video-info h3{font-size:16px;font-weight:600;color:#E0E6ED;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lbhd92v-video-meta{display:flex;gap:14px;font-size:13px;color:#78909C;margin-bottom:8px}
.lbhd92v-video-tags{display:flex;gap:6px;flex-wrap:wrap}
.lbhd92v-video-tags span{padding:3px 10px;background:rgba(0,102,255,.12);color:#4D9AFF;border-radius:20px;font-size:12px}

/* === 服务模块 === */
.lbhd92v-services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lbhd92v-service-card{background:#1E2A3A;border-radius:12px;padding:32px 24px;text-align:center;transition:transform .3s,border-color .3s;border:1px solid rgba(0,102,255,.1)}
.lbhd92v-service-card:hover{transform:translateY(-4px);border-color:#FF6600}
.lbhd92v-service-icon{width:60px;height:60px;margin:0 auto 18px;background:linear-gradient(135deg,#0066FF,#0044CC);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:28px}
.lbhd92v-service-card h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:10px}
.lbhd92v-service-card p{font-size:14px;color:#78909C;line-height:1.6}

/* === 社区模块 === */
.lbhd92v-community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.lbhd92v-community-card{background:#1E2A3A;border-radius:10px;padding:24px;text-align:center;transition:transform .3s;border:1px solid rgba(0,102,255,.08)}
.lbhd92v-community-card:hover{transform:translateY(-3px);border-color:#0066FF}
.lbhd92v-community-card h4{font-size:16px;color:#fff;margin:12px 0 8px;font-weight:600}
.lbhd92v-community-card p{font-size:13px;color:#78909C}
.lbhd92v-community-icon{font-size:36px;display:block}

/* === 专家团队 === */
.lbhd92v-experts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.lbhd92v-expert-card{background:#1E2A3A;border-radius:12px;overflow:hidden;text-align:center;transition:transform .3s}
.lbhd92v-expert-card:hover{transform:translateY(-4px)}
.lbhd92v-expert-card img{width:100%;height:220px;object-fit:cover}
.lbhd92v-expert-body{padding:20px}
.lbhd92v-expert-body h4{font-size:17px;color:#fff;font-weight:600;margin-bottom:4px}
.lbhd92v-expert-body .lbhd92v-role{color:#FF6600;font-size:13px;margin-bottom:8px;display:block}
.lbhd92v-expert-body p{font-size:13px;color:#78909C;line-height:1.5}
.lbhd92v-expert-btns{display:flex;gap:8px;justify-content:center;margin-top:12px}
.lbhd92v-expert-btns a{padding:6px 14px;border-radius:6px;font-size:12px;font-weight:500}
.lbhd92v-btn-sm-primary{background:#FF6600;color:#fff}
.lbhd92v-btn-sm-outline{border:1px solid #0066FF;color:#0066FF}

/* === 品牌墙 === */
.lbhd92v-brands-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.lbhd92v-brand-item{background:#1E2A3A;border-radius:10px;padding:18px 30px;font-size:16px;font-weight:600;color:#B0BEC5;border:1px solid rgba(0,102,255,.1);transition:border-color .3s,color .3s}
.lbhd92v-brand-item:hover{border-color:#FF6600;color:#FF6600}

/* === How-To步骤 === */
.lbhd92v-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.lbhd92v-step{background:#1E2A3A;border-radius:12px;padding:28px 20px;text-align:center;position:relative;counter-increment:step}
.lbhd92v-step::before{content:counter(step);position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:32px;height:32px;background:#FF6600;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.lbhd92v-step h4{font-size:16px;color:#fff;margin:8px 0;font-weight:600}
.lbhd92v-step p{font-size:13px;color:#78909C}

/* === 用户评价 === */
.lbhd92v-reviews-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.lbhd92v-review-card{background:#1E2A3A;border-radius:12px;padding:28px;border-left:4px solid #FF6600}
.lbhd92v-review-card .lbhd92v-stars{color:#FFD700;font-size:16px;margin-bottom:10px}
.lbhd92v-review-card p{font-size:14px;color:#B0BEC5;line-height:1.7;margin-bottom:12px;font-style:italic}
.lbhd92v-review-card .lbhd92v-reviewer{font-size:13px;color:#78909C;font-style:normal}

/* === FAQ === */
.lbhd92v-faq-list{max-width:800px;margin:0 auto}
.lbhd92v-faq-item{background:#1E2A3A;border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid rgba(0,102,255,.08)}
.lbhd92v-faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600;color:#E0E6ED;transition:color .3s}
.lbhd92v-faq-q:hover{color:#FF6600}
.lbhd92v-faq-q::after{content:'+';font-size:22px;color:#0066FF;transition:transform .3s}
.lbhd92v-faq-item.active .lbhd92v-faq-q::after{transform:rotate(45deg);color:#FF6600}
.lbhd92v-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;padding:0 24px}
.lbhd92v-faq-item.active .lbhd92v-faq-a{max-height:300px;padding:0 24px 18px}
.lbhd92v-faq-a p{font-size:14px;color:#78909C;line-height:1.7}

/* === 联系我们 === */
.lbhd92v-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.lbhd92v-contact-info{background:#1E2A3A;border-radius:12px;padding:32px}
.lbhd92v-contact-info h3{font-size:20px;color:#fff;margin-bottom:18px;font-weight:600}
.lbhd92v-contact-item{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.lbhd92v-contact-item .lbhd92v-ci-icon{width:36px;height:36px;background:rgba(0,102,255,.15);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.lbhd92v-contact-item .lbhd92v-ci-text{font-size:14px;color:#B0BEC5}
.lbhd92v-contact-item .lbhd92v-ci-text strong{color:#E0E6ED;display:block;margin-bottom:2px}
.lbhd92v-qrcode-area{display:flex;gap:24px;justify-content:center}
.lbhd92v-qrcode-box{text-align:center}
.lbhd92v-qrcode-box img{width:140px;height:140px;border-radius:8px;border:2px solid rgba(0,102,255,.2);margin-bottom:8px}
.lbhd92v-qrcode-box span{font-size:13px;color:#78909C}

/* === 社交分享 === */
.lbhd92v-share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.lbhd92v-share-btn{padding:10px 22px;border-radius:8px;font-size:14px;font-weight:500;color:#fff;transition:transform .3s;cursor:pointer;border:none}
.lbhd92v-share-btn:hover{transform:translateY(-2px)}
.lbhd92v-share-wechat{background:#07C160}
.lbhd92v-share-weibo{background:#E6162D}
.lbhd92v-share-douyin{background:#161823}
.lbhd92v-share-bilibili{background:#00A1D6}

/* === 页脚 === */
.lbhd92v-footer{background:#060E1A;padding:40px 0 0;border-top:1px solid rgba(0,102,255,.1)}
.lbhd92v-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px}
.lbhd92v-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.lbhd92v-footer-brand img{width:36px;height:36px;border-radius:6px}
.lbhd92v-footer-brand span{font-size:18px;font-weight:700;color:#fff}
.lbhd92v-footer-col h5{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.lbhd92v-footer-col a{display:block;font-size:13px;color:#607D8B;margin-bottom:8px;transition:color .3s}
.lbhd92v-footer-col a:hover{color:#FF6600}
.lbhd92v-footer-col p{font-size:13px;color:#607D8B;line-height:1.6}
.lbhd92v-footer-bottom{border-top:1px solid rgba(0,102,255,.08);padding:18px 0;text-align:center;font-size:13px;color:#455A64}

/* === 面包屑 === */
.lbhd92v-breadcrumb{padding:14px 0;font-size:13px;color:#607D8B}
.lbhd92v-breadcrumb a{color:#4D9AFF}
.lbhd92v-breadcrumb a:hover{color:#FF6600}
.lbhd92v-breadcrumb span{margin:0 6px}

/* === 视频弹窗 === */
.lbhd92v-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);z-index:2000;display:none;align-items:center;justify-content:center}
.lbhd92v-modal-overlay.active{display:flex}
.lbhd92v-modal-box{background:#1E2A3A;border-radius:14px;padding:24px;max-width:720px;width:90%;position:relative}
.lbhd92v-modal-close{position:absolute;top:12px;right:16px;color:#fff;font-size:28px;cursor:pointer;background:none;border:none;z-index:3}
.lbhd92v-modal-player{background:#000;border-radius:8px;padding-top:56.25%;position:relative}
.lbhd92v-modal-player .lbhd92v-fake-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:72px;height:72px;background:rgba(255,102,0,.9);border-radius:50%;display:flex;align-items:center;justify-content:center}
.lbhd92v-modal-player .lbhd92v-fake-play::after{content:'';border-left:24px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:5px}

/* === 动画 === */
.lbhd92v-animate{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.lbhd92v-animate.visible{opacity:1;transform:translateY(0)}

/* === 响应式 === */
@media(max-width:1024px){
  .lbhd92v-video-grid{grid-template-columns:repeat(2,1fr)}
  .lbhd92v-services-grid{grid-template-columns:repeat(2,1fr)}
  .lbhd92v-experts-grid{grid-template-columns:repeat(2,1fr)}
  .lbhd92v-community-grid{grid-template-columns:repeat(2,1fr)}
  .lbhd92v-steps{grid-template-columns:repeat(2,1fr)}
  .lbhd92v-footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .lbhd92v-nav{display:none;position:absolute;top:68px;left:0;width:100%;background:#0A1628;flex-direction:column;padding:20px;gap:16px;border-bottom:1px solid rgba(0,102,255,.15)}
  .lbhd92v-nav.open{display:flex}
  .lbhd92v-menu-btn{display:block}
  .lbhd92v-hero{height:400px}
  .lbhd92v-hero h1{font-size:28px}
  .lbhd92v-hero p{font-size:15px}
  .lbhd92v-section-title h2{font-size:24px}
  .lbhd92v-video-grid{grid-template-columns:1fr}
  .lbhd92v-services-grid{grid-template-columns:1fr}
  .lbhd92v-experts-grid{grid-template-columns:1fr}
  .lbhd92v-community-grid{grid-template-columns:1fr 1fr}
  .lbhd92v-steps{grid-template-columns:1fr}
  .lbhd92v-reviews-grid{grid-template-columns:1fr}
  .lbhd92v-contact-grid{grid-template-columns:1fr}
  .lbhd92v-footer-grid{grid-template-columns:1fr}
  .lbhd92v-qrcode-area{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .lbhd92v-community-grid{grid-template-columns:1fr}
  .lbhd92v-hero{height:340px}
  .lbhd92v-hero h1{font-size:22px}
}