/* ========== 小马拉大车影视写真传媒 - 全站样式 ========== */
/* 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;color:#333;background:#f8f9fa;line-height:1.8;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
a:hover{color:#8b5cf6}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ========== 头部导航 ========== */
.site-header{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);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:12px 20px;max-width:1200px;margin:0 auto}
.logo-area{display:flex;align-items:center;gap:12px}
.logo-area img{width:48px;height:48px;border-radius:10px}
.logo-area h1{font-size:1.5rem;color:#fff;font-weight:700}
.logo-area h1 span{color:#c084fc;font-size:.85rem;display:block;font-weight:400}
.main-nav{display:flex;gap:0}
.main-nav a{color:#e2e8f0;padding:10px 16px;font-size:.95rem;transition:all .3s;border-radius:6px;position:relative}
.main-nav a:hover,.main-nav a.active{color:#c084fc;background:rgba(192,132,252,.1)}
.main-nav a::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:0;height:2px;background:#c084fc;transition:width .3s}
.main-nav a:hover::after{width:60%}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* ========== 搜索框 ========== */
.search-bar{background:linear-gradient(90deg,#1e1b4b,#312e81);padding:14px 0}
.search-bar .container{display:flex;justify-content:center}
.search-form{display:flex;max-width:600px;width:100%;position:relative}
.search-form input{flex:1;padding:12px 20px;border:2px solid #6366f1;border-radius:25px 0 0 25px;font-size:.95rem;outline:none;background:#1e1b4b;color:#fff;transition:border-color .3s}
.search-form input::placeholder{color:#94a3b8}
.search-form input:focus{border-color:#a78bfa}
.search-form button{padding:12px 28px;background:linear-gradient(135deg,#7c3aed,#a855f7);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:opacity .3s}
.search-form button:hover{opacity:.9}

/* ========== Banner轮播 ========== */
.hero-banner{position:relative;overflow:hidden;height:520px;background:#000}
.hero-banner img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(0,0,0,.7) 0%,rgba(0,0,0,.3) 50%,transparent 100%);display:flex;align-items:center;padding-left:8%}
.hero-text{max-width:550px;color:#fff}
.hero-text h2{font-size:2.8rem;font-weight:800;margin-bottom:16px;line-height:1.3;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-text h2 em{font-style:normal;color:#c084fc}
.hero-text p{font-size:1.1rem;margin-bottom:24px;opacity:.9;line-height:1.7}
.hero-text .btn-group{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#7c3aed,#a855f7);color:#fff;border-radius:30px;font-weight:600;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer;font-size:1rem}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(124,58,237,.4);color:#fff}
.btn-outline{display:inline-block;padding:12px 32px;border:2px solid #c084fc;color:#c084fc;border-radius:30px;font-weight:600;transition:all .3s;font-size:1rem}
.btn-outline:hover{background:#c084fc;color:#fff}

/* ========== 通用板块 ========== */
.section{padding:60px 0}
.section-dark{background:linear-gradient(180deg,#0f172a,#1e1b4b)}
.section-gray{background:#f1f5f9}
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:2rem;font-weight:700;color:#1e293b;margin-bottom:10px;position:relative;display:inline-block}
.section-dark .section-title h2{color:#fff}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#7c3aed,#a855f7);margin:12px auto 0;border-radius:2px}
.section-title p{color:#64748b;font-size:1rem}
.section-dark .section-title p{color:#94a3b8}

/* ========== 视频卡片网格 ========== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.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;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#000}
.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(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(124,58,237,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.video-meta{display:flex;align-items:center;gap:14px;color:#94a3b8;font-size:.85rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{background:#f1f5f9;color:#6366f1;padding:2px 10px;border-radius:12px;font-size:.78rem}

/* ========== 写真图片网格 ========== */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.photo-card{border-radius:12px;overflow:hidden;position:relative;aspect-ratio:3/4;cursor:pointer}
.photo-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.photo-card:hover img{transform:scale(1.1)}
.photo-card .overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 50%);opacity:0;transition:opacity .3s;display:flex;align-items:flex-end;padding:20px}
.photo-card:hover .overlay{opacity:1}
.photo-card .overlay h4{color:#fff;font-size:1rem}
.photo-card .overlay p{color:#d1d5db;font-size:.85rem}

/* ========== 专家团队 ========== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}
.expert-card{background:#fff;border-radius:16px;padding:30px 24px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #e9d5ff}
.expert-card h4{font-size:1.1rem;font-weight:600;margin-bottom:4px}
.expert-card .role{color:#7c3aed;font-size:.9rem;margin-bottom:10px}
.expert-card p{color:#64748b;font-size:.88rem;line-height:1.6;margin-bottom:16px}
.expert-card .btn-sm{display:inline-block;padding:8px 20px;border:1px solid #7c3aed;color:#7c3aed;border-radius:20px;font-size:.85rem;transition:all .3s;margin:0 4px}
.expert-card .btn-sm:hover{background:#7c3aed;color:#fff}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;transition:background .3s}
.faq-question:hover{background:#f8fafc}
.faq-question .icon{font-size:1.4rem;color:#7c3aed;transition:transform .3s}
.faq-question.active .icon{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#64748b;line-height:1.8;font-size:.95rem}
.faq-answer.open{max-height:300px;padding:0 24px 18px}

/* ========== 用户评论 ========== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-card .stars{color:#f59e0b;font-size:1.1rem;margin-bottom:10px}
.review-card blockquote{color:#475569;font-size:.95rem;line-height:1.7;margin-bottom:14px;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,#7c3aed,#a855f7);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.9rem}
.review-card .reviewer .name{font-weight:600;font-size:.9rem}
.review-card .reviewer .date{color:#94a3b8;font-size:.8rem}

/* ========== 关于我们 ========== */
.about-section{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text h3{font-size:1.6rem;font-weight:700;margin-bottom:16px;color:#1e293b}
.about-text p{color:#475569;line-height:1.8;margin-bottom:14px}
.about-img{border-radius:16px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.12)}
.about-img img{width:100%;height:auto}
.about-stats{display:flex;gap:30px;margin-top:20px}
.about-stats .stat{text-align:center}
.about-stats .stat .num{font-size:2rem;font-weight:800;color:#7c3aed}
.about-stats .stat .label{font-size:.85rem;color:#64748b}

/* ========== 联系我们 ========== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.contact-card .icon-circle{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#a855f7);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:#fff;font-size:1.4rem}
.contact-card h4{font-size:1rem;font-weight:600;margin-bottom:6px}
.contact-card p{color:#64748b;font-size:.9rem}

/* ========== 合作品牌 ========== */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:#fff;padding:16px 28px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.06);font-size:1.1rem;font-weight:700;color:#475569;transition:transform .3s}
.brand-wall .brand-item:hover{transform:scale(1.05)}

/* ========== 社交分享 ========== */
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:25px;color:#fff;font-size:.9rem;font-weight:500;transition:transform .3s,opacity .3s}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#000}
.share-btn.bilibili{background:#00a1d6}

/* ========== 页脚 ========== */
.site-footer{background:linear-gradient(135deg,#0f172a,#1e1b4b);color:#cbd5e1;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{color:#fff;font-size:1.1rem;margin-bottom:16px;font-weight:600}
.footer-col p{font-size:.9rem;line-height:1.7;color:#94a3b8}
.footer-col a{display:block;color:#94a3b8;font-size:.9rem;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:#c084fc}
.footer-qr{display:flex;gap:20px;margin-top:14px}
.footer-qr img{width:100px;height:100px;border-radius:8px;border:2px solid #334155}
.footer-qr .qr-label{text-align:center;font-size:.78rem;color:#94a3b8;margin-top:6px}
.footer-bottom{border-top:1px solid #334155;padding:20px 0;text-align:center;font-size:.85rem;color:#64748b}
.footer-bottom a{color:#a78bfa}

/* ========== 面包屑 ========== */
.breadcrumb{padding:14px 0;font-size:.9rem;color:#64748b}
.breadcrumb a{color:#7c3aed}
.breadcrumb span{margin:0 8px;color:#cbd5e1}

/* ========== 内页Banner ========== */
.page-banner{height:300px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#0f3460)}
.page-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.page-banner h2{position:relative;z-index:2;color:#fff;font-size:2.4rem;font-weight:800;text-shadow:2px 2px 10px rgba(0,0,0,.5)}
.page-banner p{position:relative;z-index:2;color:#d1d5db;font-size:1.1rem;margin-top:8px;text-align:center}

/* ========== How-To指南 ========== */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;counter-reset:step}
.howto-step{background:#fff;border-radius:12px;padding:28px 24px;box-shadow:0 4px 15px rgba(0,0,0,.06);position:relative;counter-increment:step}
.howto-step::before{content:counter(step);position:absolute;top:-14px;left:24px;width:36px;height:36px;background:linear-gradient(135deg,#7c3aed,#a855f7);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem}
.howto-step h4{margin-top:8px;font-size:1rem;font-weight:600;margin-bottom:8px}
.howto-step p{color:#64748b;font-size:.9rem;line-height:1.6}

/* ========== AI赋能 ========== */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.ai-card{background:linear-gradient(135deg,#1e1b4b,#312e81);border-radius:14px;padding:30px;color:#fff;transition:transform .3s}
.ai-card:hover{transform:translateY(-5px)}
.ai-card .ai-icon{font-size:2.5rem;margin-bottom:14px}
.ai-card h4{font-size:1.15rem;margin-bottom:10px;font-weight:600}
.ai-card p{color:#c7d2fe;font-size:.92rem;line-height:1.7}

/* ========== 社区功能 ========== */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.community-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s;border-top:3px solid #7c3aed}
.community-card:hover{transform:translateY(-4px)}
.community-card .c-icon{font-size:2rem;margin-bottom:12px}
.community-card h4{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.community-card p{color:#64748b;font-size:.9rem;line-height:1.6}

/* ========== 响应式 ========== */
@media(max-width:968px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding-top:10px}
  .main-nav.show{display:flex}
  .mobile-menu-btn{display:block}
  .hero-banner{height:380px}
  .hero-text h2{font-size:1.8rem}
  .about-section{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}
@media(max-width:640px){
  .hero-banner{height:300px}
  .hero-text h2{font-size:1.4rem}
  .hero-text p{font-size:.9rem}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .footer-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .photo-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:1fr}
  .about-stats{flex-wrap:wrap;gap:16px}
}

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

/* ========== 懒加载占位 ========== */
img[data-src]{background:#e2e8f0;min-height:200px}

/* ========== MCP前端代码样式 ========== */
.a9cis{background:#1e1b4b;border-radius:12px;padding:20px;margin-top:20px;text-align:center;color:#94a3b8;font-size:.85rem;border:1px dashed #4338ca}

/* ========== 专家资质详情 ========== */
.expert-credentials{text-align:left;margin:14px 0;padding:14px;background:#f8fafc;border-radius:10px;border:1px solid #e2e8f0}
.expert-credentials h5{font-size:.88rem;font-weight:600;color:#7c3aed;margin-bottom:6px;margin-top:10px}
.expert-credentials h5:first-child{margin-top:0}
.expert-credentials ul{padding-left:18px;list-style:disc}
.expert-credentials ul li{font-size:.82rem;color:#64748b;line-height:1.7}
.expert-social{display:flex;gap:8px;flex-wrap:wrap}
.expert-social a{display:inline-block;padding:4px 14px;background:linear-gradient(135deg,#7c3aed,#a855f7);color:#fff;border-radius:15px;font-size:.78rem;transition:opacity .3s}
.expert-social a:hover{opacity:.85;color:#fff}

/* ========== 页脚Logo ========== */
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo img{width:48px;height:48px;border-radius:10px}
.footer-logo span{color:#fff;font-size:1.2rem;font-weight:700}

/* ========== 视频卡片中的video标签隐藏 ========== */
.video-thumb video{display:none}

/* ========== 最新资讯模块 ========== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.news-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s;border-left:4px solid #7c3aed}
.news-card:hover{transform:translateY(-4px)}
.news-card h4{font-size:1rem;font-weight:600;margin-bottom:8px;color:#1e293b}
.news-card p{color:#64748b;font-size:.9rem;line-height:1.7}
.news-card .news-date{color:#94a3b8;font-size:.8rem;margin-top:8px}

/* ========== 内页文章段落 ========== */
.article-section{padding:40px 0}
.article-content{max-width:900px;margin:0 auto}
.article-content h3{font-size:1.4rem;font-weight:700;color:#1e293b;margin-bottom:14px;margin-top:30px}
.article-content h3:first-child{margin-top:0}
.article-content p{color:#475569;line-height:1.9;margin-bottom:16px;font-size:.95rem;text-indent:2em}
.article-content .highlight-box{background:linear-gradient(135deg,#f5f3ff,#ede9fe);border-radius:12px;padding:20px 24px;margin:20px 0;border-left:4px solid #7c3aed}
.article-content .highlight-box p{text-indent:0;color:#4c1d95;font-size:.92rem}

/* ========== 隐私政策/服务条款页面 ========== */
.legal-content{max-width:900px;margin:0 auto;padding:40px 20px}
.legal-content h2{font-size:1.8rem;font-weight:700;color:#1e293b;margin-bottom:20px}
.legal-content h3{font-size:1.2rem;font-weight:600;color:#1e293b;margin:24px 0 10px}
.legal-content p{color:#475569;line-height:1.9;margin-bottom:12px;font-size:.95rem}
.legal-content ul{padding-left:24px;margin-bottom:16px}
.legal-content ul li{color:#475569;line-height:1.8;font-size:.92rem;list-style:disc}