/* ============================================
   免费看片 - 原创样式表
   品牌色系：茄子紫 #6B2FA0 | 浅紫 #9B59B6 | 玫红 #E74C8B
   ============================================ */

/* === 基础重置 === */
*,*::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:#333;background:#F8F5FC;line-height:1.7;overflow-x:hidden}
a{color:#6B2FA0;text-decoration:none;transition:color .3s}
a:hover{color:#E74C8B}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;color:#2D1B4E;line-height:1.3}

/* === 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:#2D1B4E;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:"";display:block;width:60px;height:3px;background:linear-gradient(90deg,#6B2FA0,#E74C8B);margin:10px auto 0}
.section-title p{color:#666;font-size:1rem;max-width:600px;margin:0 auto}

/* === 顶部导航 === */
.top-header{background:linear-gradient(135deg,#2D1B4E 0%,#6B2FA0 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(107,47,160,.3)}
.nav-wrapper{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:70px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:40px;width:auto}
.nav-logo span{color:#fff;font-size:1.3rem;font-weight:700}
.nav-menu{display:flex;gap:5px}
.nav-menu a{color:rgba(255,255,255,.85);padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.nav-menu a:hover,.nav-menu a.active{color:#fff;background:rgba(255,255,255,.15)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;transition:all .3s}

/* === 搜索框 === */
.search-bar{background:linear-gradient(90deg,#6B2FA0,#9B59B6);padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-form{display:flex;max-width:600px;width:100%;background:#fff;border-radius:30px;overflow:hidden;box-shadow:0 2px 15px rgba(107,47,160,.2)}
.search-form input{flex:1;border:none;padding:12px 24px;font-size:1rem;outline:none;color:#333}
.search-form button{background:linear-gradient(135deg,#E74C8B,#6B2FA0);color:#fff;border:none;padding:12px 28px;cursor:pointer;font-size:1rem;transition:opacity .3s}
.search-form button:hover{opacity:.9}

/* === 面包屑 === */
.breadcrumb{padding:15px 0;font-size:.9rem;color:#888}
.breadcrumb a{color:#6B2FA0}
.breadcrumb span{margin:0 8px;color:#ccc}

/* === Hero Banner === */
.hero{position:relative;height:520px;overflow:hidden;background:#2D1B4E}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(45,27,78,.3) 0%,rgba(45,27,78,.8) 100%)}
.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:#fff;padding:0 20px}
.hero-content h1{font-size:2.8rem;margin-bottom:15px;text-shadow:0 2px 10px rgba(0,0,0,.3)}
.hero-content h1 em{font-style:normal;color:#E74C8B}
.hero-content p{font-size:1.2rem;max-width:700px;margin-bottom:25px;opacity:.9}
.hero-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#E74C8B,#6B2FA0);color:#fff;padding:14px 36px;border-radius:30px;font-size:1.1rem;font-weight:600;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 20px rgba(231,76,139,.4)}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(231,76,139,.5);color:#fff}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(107,47,160,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(107,47,160,.15)}
.video-thumb{position:relative;padding-top:133%;overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(45,27,78,.4);opacity:0;transition:opacity .3s}
.video-card:hover .video-play{opacity:1}
.play-icon{width:60px;height:60px;background:rgba(231,76,139,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(231,76,139,.5)}
.play-icon::after{content:"";display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-info{padding:15px}
.video-info h3{font-size:.95rem;color:#2D1B4E;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:15px;font-size:.8rem;color:#999}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:linear-gradient(135deg,#6B2FA0,#E74C8B);color:#fff;font-size:.7rem;padding:2px 8px;border-radius:3px;position:absolute;top:10px;left:10px;z-index:2}

/* === 横向视频卡片 === */
.video-grid-wide{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.video-card-wide .video-thumb{padding-top:56.25%}

/* === 服务模块 === */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.service-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(107,47,160,.06);transition:transform .3s,box-shadow .3s;border:1px solid rgba(107,47,160,.05)}
.service-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(107,47,160,.12)}
.service-icon{width:70px;height:70px;margin:0 auto 20px;background:linear-gradient(135deg,#6B2FA0,#E74C8B);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff}
.service-card h3{font-size:1.15rem;color:#2D1B4E;margin-bottom:10px}
.service-card p{color:#666;font-size:.9rem;line-height:1.6}

/* === 专家团队 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(107,47,160,.06);text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-avatar{width:120px;height:120px;border-radius:50%;margin:25px auto 15px;overflow:hidden;border:3px solid #E74C8B}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:1rem;color:#2D1B4E;margin-bottom:5px}
.expert-card .title{color:#9B59B6;font-size:.85rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.85rem;padding:0 15px;line-height:1.5}
.expert-actions{padding:15px;display:flex;gap:10px;justify-content:center}
.btn-sm{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid #6B2FA0;color:#6B2FA0;transition:all .3s}
.btn-sm:hover{background:#6B2FA0;color:#fff}
.btn-sm.primary{background:linear-gradient(135deg,#6B2FA0,#E74C8B);color:#fff;border:none}

/* === 合作品牌 === */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-item{width:140px;height:70px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.05);padding:10px;filter:grayscale(.5);transition:filter .3s}
.partner-item:hover{filter:grayscale(0)}

/* === 用户评价 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(107,47,160,.06);border-left:4px solid #E74C8B}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#6B2FA0,#E74C8B);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem;overflow:hidden;flex-shrink:0}
.review-avatar img{width:50px;height:50px;border-radius:50%;object-fit:cover;display:block;position:relative;z-index:2}
.review-name{font-weight:600;color:#2D1B4E}
.review-date{font-size:.8rem;color:#999}
.review-stars{color:#E74C8B;margin-bottom:8px;font-size:.9rem}
.review-text{color:#555;font-size:.9rem;line-height:1.6}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(107,47,160,.05);overflow:hidden}
.faq-question{padding:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#2D1B4E;transition:background .3s}
.faq-question:hover{background:rgba(107,47,160,.03)}
.faq-question::after{content:"+";font-size:1.3rem;color:#E74C8B;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 25px}
.faq-item.active .faq-answer{max-height:300px;padding:0 25px 18px}
.faq-answer p{color:#666;font-size:.9rem;line-height:1.7}

/* === 联系信息 === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(107,47,160,.06)}
.contact-card h3{color:#2D1B4E;margin-bottom:15px;font-size:1.2rem}
.contact-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;color:#555;font-size:.95rem}
.contact-icon{width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,#6B2FA0,#E74C8B);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;font-size:.9rem}

/* === 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:20px;color:#fff;font-size:.85rem;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:linear-gradient(135deg,#2D1B4E 0%,#1a0f30 100%);color:rgba(255,255,255,.7);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:40px}
.footer-brand p{font-size:.9rem;line-height:1.7;margin-top:15px}
.footer-links h4{color:#fff;margin-bottom:15px;font-size:1rem}
.footer-links a{display:block;color:rgba(255,255,255,.6);padding:4px 0;font-size:.9rem;transition:color .3s}
.footer-links a:hover{color:#E74C8B}
.footer-qr{display:flex;gap:20px}
.footer-qr-item{text-align:center}
.footer-qr-item img{width:120px;height:120px;border-radius:8px;margin-bottom:8px}
.footer-qr-item span{font-size:.8rem;color:rgba(255,255,255,.5)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.85rem}
.footer-bottom a{color:#E74C8B}

/* === 通用按钮 === */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:8px;font-size:1rem;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#6B2FA0,#E74C8B);color:#fff;box-shadow:0 4px 15px rgba(107,47,160,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(107,47,160,.4);color:#fff}
.btn-outline{border:2px solid #6B2FA0;color:#6B2FA0;background:transparent}
.btn-outline:hover{background:#6B2FA0;color:#fff}

/* === 标签 === */
.tag{display:inline-block;padding:4px 12px;border-radius:15px;font-size:.8rem;margin:2px;background:rgba(107,47,160,.08);color:#6B2FA0}
.tag:hover{background:rgba(107,47,160,.15)}

/* === 内页通用 === */
.page-hero{background:linear-gradient(135deg,#2D1B4E,#6B2FA0);padding:60px 0;text-align:center;color:#fff}
.page-hero h1{font-size:2.2rem;color:#fff;margin-bottom:10px}
.page-hero p{opacity:.8;font-size:1.1rem}
.page-content{padding:40px 0}
.content-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(107,47,160,.06);margin-bottom:25px}
.content-card h2{color:#2D1B4E;font-size:1.5rem;margin-bottom:15px}
.content-card h3{color:#6B2FA0;font-size:1.2rem;margin-bottom:10px}
.content-card p{color:#555;line-height:1.8;margin-bottom:12px}

/* === How-To 指南 === */
.howto-steps{counter-reset:step}
.howto-step{display:flex;gap:20px;margin-bottom:25px;align-items:flex-start}
.howto-step::before{counter-increment:step;content:counter(step);width:45px;height:45px;border-radius:50%;background:linear-gradient(135deg,#6B2FA0,#E74C8B);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;flex-shrink:0}
.howto-content h3{color:#2D1B4E;margin-bottom:5px}
.howto-content p{color:#666;font-size:.9rem}

/* === 社区功能卡片 === */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.community-card{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 15px rgba(107,47,160,.06);transition:all .3s;border-top:3px solid transparent}
.community-card:hover{border-top-color:#E74C8B;transform:translateY(-3px)}
.community-icon{font-size:2.5rem;margin-bottom:15px}
.community-card h3{color:#2D1B4E;margin-bottom:8px;font-size:1.05rem}
.community-card p{color:#666;font-size:.85rem}

/* === 数据统计 === */
.stats-bar{background:linear-gradient(135deg,#6B2FA0,#E74C8B);padding:40px 0;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item .num{font-size:2.5rem;font-weight:700;display:block}
.stat-item .label{font-size:.9rem;opacity:.8}

/* === 响应式 === */
@media(max-width:1024px){
    .video-grid{grid-template-columns:repeat(3,1fr)}
    .expert-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:15px}
}
@media(max-width:768px){
    .nav-menu{display:none;position:absolute;top:70px;left:0;right:0;background:#2D1B4E;flex-direction:column;padding:15px;gap:5px;box-shadow:0 5px 20px rgba(0,0,0,.3)}
    .nav-menu.show{display:flex}
    .nav-toggle{display:flex}
    .hero{height:400px}
    .hero-content h1{font-size:1.8rem}
    .video-grid{grid-template-columns:repeat(2,1fr)}
    .video-grid-wide{grid-template-columns:repeat(2,1fr)}
    .service-grid{grid-template-columns:1fr}
    .expert-grid{grid-template-columns:1fr}
    .review-grid{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .community-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .section{padding:40px 0}
    .section-title h2{font-size:1.5rem}
}
@media(max-width:480px){
    .video-grid{grid-template-columns:1fr 1fr;gap:12px}
    .hero{height:320px}
    .hero-content h1{font-size:1.5rem}
    .stats-grid{grid-template-columns:1fr 1fr}
}

/* === 图片显示 === */
img{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}

/* === 内页文章 === */
.article-content{max-width:800px;margin:0 auto}
.article-content h2{color:#2D1B4E;font-size:1.6rem;margin:25px 0 12px;border-left:4px solid #E74C8B;padding-left:12px}
.article-content p{color:#555;line-height:1.9;margin-bottom:15px}
.article-content img{border-radius:10px;margin:20px 0}
.article-sidebar{position:sticky;top:90px}
.sidebar-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 15px rgba(107,47,160,.06);margin-bottom:20px}
.sidebar-card h3{color:#2D1B4E;font-size:1.1rem;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid rgba(107,47,160,.1)}
.sidebar-card a{display:block;padding:6px 0;color:#555;font-size:.9rem;transition:color .3s}
.sidebar-card a:hover{color:#E74C8B}