/* ============================================
   91 影视写真传媒 - 全站样式表
   域名: msmww34.cn
   ============================================ */

/* === 基础重置 === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;background:#f8f9fa;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:#1a3a5c;text-decoration:none;transition:color .3s}
a:hover{color:#c9a96e}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.4;color:#1a1a2e}

/* === 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:2rem;color:#1a1a2e;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#c9a96e,#1a3a5c)}
.section-title p{color:#666;margin-top:10px;font-size:.95rem}

/* === 顶部导航 === */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:70px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:45px;width:auto}
.logo span{color:#c9a96e;font-size:1.4rem;font-weight:700;letter-spacing:2px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#e0e0e0;padding:0 16px;font-size:.95rem;height:70px;display:flex;align-items:center;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#c9a96e;background:rgba(201,169,110,.08)}
.main-nav a::after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:#c9a96e;transition:all .3s;transform:translateX(-50%)}
.main-nav a:hover::after,.main-nav a.active::after{width:70%}
.mobile-toggle{display:none;color:#fff;font-size:1.5rem;cursor:pointer;background:none;border:none}

/* === 搜索框 === */
.search-bar{background:#16213e;padding:12px 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:10px 20px;border:2px solid #c9a96e;border-radius:25px 0 0 25px;outline:none;font-size:.95rem;background:#fff;color:#333}
.search-form button{padding:10px 25px;background:linear-gradient(135deg,#c9a96e,#a0824a);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:opacity .3s}
.search-form button:hover{opacity:.85}

/* === Banner === */
.hero-banner{position:relative;height:500px;overflow:hidden;background:#1a1a2e}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.6}
.hero-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;z-index:2}
.hero-content h1{font-size:2.8rem;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-content h1 span{color:#c9a96e}
.hero-content p{font-size:1.15rem;max-width:600px;margin:0 auto 25px;text-shadow:1px 1px 4px rgba(0,0,0,.5)}
.hero-btn{display:inline-block;padding:12px 35px;background:linear-gradient(135deg,#c9a96e,#a0824a);color:#fff;border-radius:30px;font-size:1rem;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(201,169,110,.4);color:#fff}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.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}
.video-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px 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(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(201,169,110,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-btn::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.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:15px}
.video-info h3{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.video-meta{display:flex;justify-content:space-between;color:#999;font-size:.85rem}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{background:#f0ebe1;color:#8a7340;padding:2px 10px;border-radius:12px;font-size:.75rem}
.video-stats{display:flex;gap:15px;margin-top:8px;color:#999;font-size:.8rem}
.video-stats span{display:flex;align-items:center;gap:4px}

/* === 写真展示 === */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.photo-card{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:3/4;cursor:pointer}
.photo-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.photo-card:hover img{transform:scale(1.08)}
.photo-overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;transform:translateY(100%);transition:transform .3s}
.photo-card:hover .photo-overlay{transform:translateY(0)}
.photo-overlay h4{font-size:1rem;margin-bottom:5px}
.photo-overlay p{font-size:.85rem;opacity:.8}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:30px}
.expert-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 15px;overflow:hidden;border:3px solid #c9a96e}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1.1rem;color:#1a1a2e;margin-bottom:5px}
.expert-card .role{color:#c9a96e;font-size:.9rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.9rem;margin-bottom:15px}
.expert-btns{display:flex;gap:10px;justify-content:center}
.expert-btns a{padding:6px 18px;border-radius:20px;font-size:.85rem;transition:all .3s}
.btn-contact{background:#1a3a5c;color:#fff}
.btn-contact:hover{background:#c9a96e;color:#fff}
.btn-works{border:1px solid #1a3a5c;color:#1a3a5c}
.btn-works:hover{background:#1a3a5c;color:#fff}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-question{padding:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a1a2e;transition:background .3s}
.faq-question:hover{background:#f8f5ef}
.faq-question::after{content:"+";font-size:1.3rem;color:#c9a96e;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#555;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 25px 18px}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:45px;height:45px;border-radius:50%;background:linear-gradient(135deg,#c9a96e,#1a3a5c);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#1a1a2e}
.review-date{font-size:.8rem;color:#999}
.review-stars{color:#c9a96e;margin-bottom:8px;font-size:1.1rem}
.review-text{color:#555;font-size:.95rem;line-height:1.7}

/* === 关于我们 === */
.about-section{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text h2{color:#c9a96e;font-size:2rem;margin-bottom:20px}
.about-text p{color:#ccc;margin-bottom:15px;line-height:1.8}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:25px}
.stat-item{text-align:center}
.stat-num{font-size:2.2rem;color:#c9a96e;font-weight:700}
.stat-label{font-size:.85rem;color:#aaa;margin-top:5px}
.about-img{border-radius:12px;overflow:hidden}
.about-img img{width:100%;height:auto}

/* === 合作品牌 === */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall img{height:50px;opacity:.6;transition:opacity .3s;filter:grayscale(100%)}
.brand-wall img:hover{opacity:1;filter:grayscale(0)}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:25px}
.contact-card{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.contact-card h4{color:#1a1a2e;margin-bottom:10px;font-size:1.05rem}
.contact-card p{color:#666;font-size:.9rem;line-height:1.7}
.contact-card img{max-width:150px;margin:10px auto 0;border-radius:8px}

/* === 社交分享 === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:25px;color:#fff;font-size:.9rem;transition:transform .3s}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* === 页脚 === */
.site-footer{background:#0d0d1a;color:#aaa;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#c9a96e;margin-bottom:15px;font-size:1rem}
.footer-col p,.footer-col a{color:#888;font-size:.9rem;line-height:2}
.footer-col a:hover{color:#c9a96e}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:100px;border-radius:8px}
.footer-bottom{border-top:1px solid #222;padding-top:20px;text-align:center;font-size:.85rem;color:#666}
.footer-bottom a{color:#c9a96e}

/* === 面包屑 === */
.breadcrumb{padding:15px 0;font-size:.9rem;color:#999}
.breadcrumb a{color:#1a3a5c}
.breadcrumb span{margin:0 8px;color:#ccc}

/* === 内页通用 === */
.page-hero{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:60px 0;text-align:center;color:#fff}
.page-hero h1{font-size:2.2rem;color:#fff;margin-bottom:10px}
.page-hero h1 span{color:#c9a96e}
.page-hero p{color:#ccc;max-width:600px;margin:0 auto}
.content-section{padding:50px 0}
.content-section h2{color:#1a1a2e;font-size:1.6rem;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #c9a96e}
.content-section p{color:#555;margin-bottom:15px;line-height:1.8}

/* === AI赋能 === */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}
.ai-card{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:12px;padding:30px;color:#fff;transition:transform .3s}
.ai-card:hover{transform:translateY(-5px)}
.ai-card h4{color:#c9a96e;font-size:1.1rem;margin-bottom:10px}
.ai-card p{color:#ccc;font-size:.9rem;line-height:1.7}
.ai-icon{font-size:2.5rem;margin-bottom:15px}

/* === 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:25px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.08);border-top:3px solid #c9a96e;transition:transform .3s}
.community-card:hover{transform:translateY(-3px)}
.community-card h4{color:#1a1a2e;margin:10px 0;font-size:1.05rem}
.community-card p{color:#666;font-size:.9rem}
.community-icon{font-size:2rem;color:#c9a96e}

/* === How-To 指南 === */
.howto-steps{max-width:700px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:30px;align-items:flex-start}
.step-num{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#c9a96e,#a0824a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;flex-shrink:0}
.step-content h4{color:#1a1a2e;margin-bottom:5px}
.step-content p{color:#666;font-size:.9rem}

/* === 响应式 === */
@media(max-width:768px){
  .header-inner{padding:0 15px}
  .main-nav{position:fixed;top:70px;left:0;right:0;background:#1a1a2e;flex-direction:column;transform:translateY(-100%);opacity:0;transition:all .3s;pointer-events:none}
  .main-nav.active{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{height:50px;justify-content:center;border-bottom:1px solid rgba(255,255,255,.05)}
  .mobile-toggle{display:block}
  .hero-banner{height:350px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.95rem}
  .about-content{grid-template-columns:1fr}
  .about-stats{grid-template-columns:repeat(3,1fr)}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .section{padding:40px 0}
  .section-title h2{font-size:1.6rem}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero h1{font-size:1.6rem}
}
@media(max-width:480px){
  .hero-banner{height:280px}
  .hero-content h1{font-size:1.4rem}
  .video-grid{grid-template-columns:1fr}
  .photo-grid{grid-template-columns:1fr 1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:repeat(3,1fr)}
  .stat-num{font-size:1.6rem}
}