/* 糖心vlog 全新原创样式 - 橙粉渐变主题 */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Microsoft YaHei',sans-serif;background:#fafafa;color:#333;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 15px}

/* 头部导航 */
.header{background:linear-gradient(135deg,#ff6b6b 0%,#ff8e53 50%,#feca57 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,0.1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:45px;height:45px;border-radius:50%}
.logo span{font-size:22px;font-weight:700;color:#fff;text-shadow:1px 1px 2px rgba(0,0,0,0.2)}
.nav{display:flex;gap:25px}
.nav a{color:#fff;font-size:15px;padding:8px 12px;border-radius:20px;transition:all .3s}
.nav a:hover{background:rgba(255,255,255,0.25)}

/* 搜索框 */
.search-bar{background:#fff;padding:15px 0;border-bottom:1px solid #eee}
.search-box{max-width:600px;margin:0 auto;display:flex;gap:10px}
.search-box input{flex:1;padding:12px 20px;border:2px solid #ff8e53;border-radius:25px;font-size:15px;outline:none}
.search-box input:focus{border-color:#ff6b6b}
.search-box button{padding:12px 30px;background:linear-gradient(135deg,#ff6b6b,#ff8e53);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:15px}

/* 横幅区域 */
.banner{position:relative;height:400px;overflow:hidden}
.banner img{width:100%;height:100%;object-fit:cover}
.banner-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;text-shadow:2px 2px 8px rgba(0,0,0,0.5)}
.banner-text h1{font-size:42px;margin-bottom:15px}
.banner-text p{font-size:18px}

/* 视频卡片 */
.section{padding:50px 0}
.section-title{text-align:center;margin-bottom:35px}
.section-title h2{font-size:28px;color:#ff6b6b;position:relative;display:inline-block}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#ff6b6b,#feca57)}

.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,0.08);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-8px);box-shadow:0 8px 25px rgba(0,0,0,0.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.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(255,107,107,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.play-btn::after{content:'';border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:15px}
.video-info h3{font-size:16px;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-meta{display:flex;gap:15px;color:#999;font-size:13px}
.video-meta span{display:flex;align-items:center;gap:4px}

/* 功能区块 */
.features{background:linear-gradient(135deg,#fff5f5 0%,#fff9e6 100%)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-item{background:#fff;padding:30px 20px;border-radius:12px;text-align:center;box-shadow:0 3px 10px rgba(0,0,0,0.05)}
.feature-icon{width:60px;height:60px;margin:0 auto 15px;background:linear-gradient(135deg,#ff6b6b,#feca57);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px}
.feature-item h3{font-size:16px;margin-bottom:8px;color:#333}
.feature-item p{font-size:13px;color:#666}

/* 专家团队 */
.experts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.expert-card{display:flex;gap:20px;background:#fff;padding:25px;border-radius:12px;box-shadow:0 3px 10px rgba(0,0,0,0.05)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover}
.expert-info h3{font-size:18px;margin-bottom:5px;color:#ff6b6b}
.expert-info .title{font-size:14px;color:#666;margin-bottom:10px}
.expert-info p{font-size:13px;color:#888}

/* 用户评价 */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#fff;padding:25px;border-radius:12px;box-shadow:0 3px 10px rgba(0,0,0,0.05)}
.review-card .stars{color:#feca57;margin-bottom:10px;font-size:18px}
.review-card p{font-size:14px;color:#555;margin-bottom:15px}
.review-user{display:flex;align-items:center;gap:10px}
.review-user img{width:40px;height:40px;border-radius:50%}
.review-user span{font-size:14px;color:#333}

/* 统计数据 */
.stats{background:linear-gradient(135deg,#ff6b6b 0%,#ff8e53 50%,#feca57 100%);padding:40px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;color:#fff}
.stat-item h3{font-size:36px;font-weight:700}
.stat-item p{font-size:14px;opacity:0.9}

/* 页脚 */
.footer{background:#2d3436;color:#fff;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{font-size:16px;margin-bottom:15px;color:#feca57}
.footer-col p,.footer-col a{font-size:13px;color:#b2bec3;display:block;margin-bottom:8px}
.footer-col a:hover{color:#feca57}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #444;font-size:13px;color:#b2bec3}

/* 面包屑 */
.breadcrumb{padding:15px 0;font-size:14px;color:#666}
.breadcrumb a{color:#ff6b6b}
.breadcrumb span{margin:0 8px}

/* 内页样式 */
.page-header{background:linear-gradient(135deg,#ff6b6b 0%,#ff8e53 100%);padding:60px 0;text-align:center;color:#fff}
.page-header h1{font-size:32px;margin-bottom:10px}
.page-header p{font-size:16px;opacity:0.9}

.content-section{padding:40px 0}
.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.content-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 3px 10px rgba(0,0,0,0.05)}
.content-card h3{font-size:20px;color:#ff6b6b;margin-bottom:15px}
.content-card p{font-size:14px;color:#666;line-height:1.8}

/* FAQ */
.faq-item{background:#fff;margin-bottom:15px;border-radius:8px;overflow:hidden}
.faq-q{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600}
.faq-q:hover{background:#fff5f5}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s}
.faq-item.active .faq-a{padding:15px 20px;max-height:200px}

/* 响应式 */
@media(max-width:768px){
.nav{display:none}
.video-grid,.feature-grid,.experts-grid,.reviews-grid,.stats-grid,.footer-grid{grid-template-columns:1fr}
.banner{height:250px}
.banner-text h1{font-size:24px}
}