/* 糖心vlog - 全新原创样式表 clvaf.cn */
/* 重置与基础 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.6;color:#2d3436;background:#fafafa}
a{text-decoration:none;color:inherit;transition:all .3s}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* 主题色彩 - 珊瑚粉渐变风格 */
:root{
    --primary:#ff6b9d;
    --primary-dark:#e91e63;
    --secondary:#7c4dff;
    --accent:#00bcd4;
    --dark:#1a1a2e;
    --light:#fff;
    --gray:#f5f5f5;
    --text:#333;
    --text-muted:#666;
    --gradient:linear-gradient(135deg,#ff6b9d 0%,#c44569 50%,#7c4dff 100%);
    --shadow:0 4px 20px rgba(255,107,157,0.15);
    --shadow-lg:0 10px 40px rgba(0,0,0,0.1);
}

/* 容器 */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航 - 毛玻璃效果 */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,0.08);transition:all .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:42px;height:42px;border-radius:10px}
.logo-text{font-size:1.4rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-menu{display:flex;gap:8px}
.nav-link{padding:10px 18px;border-radius:25px;font-size:.95rem;color:var(--text);transition:all .3s}
.nav-link:hover,.nav-link.active{background:var(--gradient);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:10px}
.nav-toggle span{width:24px;height:2px;background:var(--dark);transition:all .3s}

/* 搜索栏 */
.search-section{padding:15px 0;background:#fff;border-bottom:1px solid #eee}
.search-box{display:flex;max-width:600px;margin:0 auto;background:#f8f9fa;border-radius:30px;overflow:hidden;border:2px solid transparent;transition:all .3s}
.search-box:focus-within{border-color:var(--primary);background:#fff}
.search-input{flex:1;padding:12px 25px;border:none;background:transparent;font-size:1rem;outline:none}
.search-btn{padding:12px 30px;background:var(--gradient);color:#fff;font-weight:600;border-radius:30px;margin:3px}

/* 英雄区域 - 视频主题 */
.hero{padding:120px 0 80px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('../images/hero-bg.jpg') center/cover;opacity:.3}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text{color:#fff}
.hero-badge{display:inline-block;padding:8px 20px;background:rgba(255,107,157,0.2);border:1px solid var(--primary);border-radius:20px;font-size:.85rem;color:var(--primary);margin-bottom:20px}
.hero h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:20px}
.hero h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:1.1rem;color:rgba(255,255,255,0.8);margin-bottom:30px;line-height:1.8}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.stat-item{text-align:center}
.stat-num{font-size:2rem;font-weight:700;color:var(--primary)}
.stat-label{font-size:.85rem;color:rgba(255,255,255,0.6)}
.hero-visual{position:relative}
.hero-video-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-video-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-video-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.3);opacity:0;transition:all .3s}
.hero-video-card:hover .hero-video-overlay{opacity:1}
.play-btn{width:70px;height:70px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;box-shadow:0 10px 30px rgba(255,107,157,0.4);transform:scale(0.9);transition:all .3s}
.hero-video-card:hover .play-btn{transform:scale(1)}

/* 按钮样式 */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:30px;font-weight:600;transition:all .3s}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 8px 25px rgba(255,107,157,0.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 35px rgba(255,107,157,0.4)}
.btn-outline{border:2px solid #fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--primary)}

/* 区块通用样式 */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:2.2rem;font-weight:700;margin-bottom:15px;color:var(--dark)}
.section-header h2 span{color:var(--primary)}
.section-header p{color:var(--text-muted);font-size:1.1rem}
.section-alt{background:var(--gray)}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.video-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:all .3s}
.video-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.4);opacity:0;transition:all .3s}
.video-card:hover .video-play{opacity:1}
.video-play-icon{width:55px;height:55px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem}
.video-duration{position:absolute;bottom:10px;right:10px;padding:4px 10px;background:rgba(0,0,0,0.7);color:#fff;font-size:.8rem;border-radius:4px}
.video-info{padding:18px}
.video-title{font-size:1rem;font-weight:600;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:15px;font-size:.85rem;color:var(--text-muted)}
.video-views::before{content:'👁 '}
.video-likes::before{content:'❤ '}

/* 分类标签 */
.category-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:40px;flex-wrap:wrap}
.category-tab{padding:10px 25px;background:#fff;border:2px solid #eee;border-radius:25px;font-size:.95rem;transition:all .3s}
.category-tab:hover,.category-tab.active{background:var(--gradient);border-color:transparent;color:#fff}

/* 特色模块 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.feature-card{background:#fff;padding:35px 25px;border-radius:16px;text-align:center;box-shadow:var(--shadow);transition:all .3s}
.feature-card:hover{transform:translateY(-5px)}
.feature-icon{width:70px;height:70px;margin:0 auto 20px;background:linear-gradient(135deg,rgba(255,107,157,0.1),rgba(124,77,255,0.1));border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:2rem}
.feature-card h3{font-size:1.1rem;margin-bottom:10px;color:var(--dark)}
.feature-card p{font-size:.9rem;color:var(--text-muted);line-height:1.6}

/* 专家团队 */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.expert-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);text-align:center}
.expert-img{position:relative;padding-top:100%;overflow:hidden}
.expert-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.expert-info{padding:25px}
.expert-name{font-size:1.2rem;font-weight:700;margin-bottom:5px}
.expert-title{color:var(--primary);font-size:.9rem;margin-bottom:12px}
.expert-desc{font-size:.9rem;color:var(--text-muted);line-height:1.6}
.expert-actions{display:flex;gap:10px;justify-content:center;margin-top:15px}
.expert-btn{padding:8px 18px;border-radius:20px;font-size:.85rem;border:1px solid var(--primary);color:var(--primary);transition:all .3s}
.expert-btn:hover{background:var(--primary);color:#fff}

/* 用户评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.review-card{background:#fff;padding:30px;border-radius:16px;box-shadow:var(--shadow)}
.review-stars{color:#ffc107;margin-bottom:15px;font-size:1.1rem}
.review-text{font-size:.95rem;color:var(--text);line-height:1.8;margin-bottom:20px}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:45px;height:45px;border-radius:50%;object-fit:cover}
.review-name{font-weight:600;font-size:.95rem}
.review-date{font-size:.8rem;color:var(--text-muted)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:15px;overflow:hidden;box-shadow:var(--shadow)}
.faq-question{padding:20px 25px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-question::after{content:'+';font-size:1.5rem;color:var(--primary)}
.faq-answer{padding:0 25px 20px;color:var(--text-muted);line-height:1.8;display:none}
.faq-item.active .faq-answer{display:block}
.faq-item.active .faq-question::after{content:'-'}

/* 联系区域 */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.contact-card{background:#fff;padding:30px;border-radius:16px;text-align:center;box-shadow:var(--shadow)}
.contact-icon{font-size:2.5rem;margin-bottom:15px}
.contact-card h4{font-size:1rem;margin-bottom:10px;color:var(--dark)}
.contact-card p{font-size:.9rem;color:var(--text-muted)}
.contact-card img{width:120px;margin:15px auto 0;border-radius:8px}

/* 页脚 */
.footer{background:var(--dark);color:#fff;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:rgba(255,255,255,0.6);margin-top:15px;font-size:.9rem;line-height:1.8}
.footer h4{font-size:1rem;margin-bottom:20px;color:#fff}
.footer ul li{margin-bottom:12px}
.footer ul a{color:rgba(255,255,255,0.6);font-size:.9rem;transition:color .3s}
.footer ul a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:25px;display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:rgba(255,255,255,0.5)}
.update-time{color:var(--primary)}

/* 面包屑 */
.breadcrumb{padding:15px 0;background:#fff;border-bottom:1px solid #eee}
.breadcrumb-list{font-size:.9rem;color:var(--text-muted)}
.breadcrumb-list a{color:var(--primary)}

/* 内页头部 */
.page-hero{padding:120px 0 60px;background:var(--gradient);color:#fff;text-align:center}
.page-hero h1{font-size:2.5rem;font-weight:700;margin-bottom:15px}
.page-hero p{font-size:1.1rem;opacity:.9}

/* 响应式 */
@media(max-width:992px){
    .hero-content{grid-template-columns:1fr}
    .hero-visual{order:-1}
    .video-grid{grid-template-columns:repeat(2,1fr)}
    .feature-grid{grid-template-columns:repeat(2,1fr)}
    .expert-grid{grid-template-columns:repeat(2,1fr)}
    .review-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
    .contact-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .nav-menu{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;box-shadow:var(--shadow-lg)}
    .nav-menu.active{display:flex}
    .nav-toggle{display:flex}
    .hero h1{font-size:2rem}
    .hero-stats{flex-wrap:wrap;gap:20px}
    .video-grid{grid-template-columns:1fr}
    .feature-grid{grid-template-columns:1fr}
    .expert-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;gap:10px;text-align:center}
}