/* 糖心vlog 原创样式表 - 粉紫渐变影视传媒主题 */
/* 主色: #FF6B9D(粉) #C084FC(紫) 辅助: #1E0A3C(深紫背景) #FF9F43(暖橙) #00D2D3(薄荷绿) */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--pink:#FF6B9D;--purple:#C084FC;--deep:#1E0A3C;--orange:#FF9F43;--mint:#00D2D3;--bg:#0F0520;--card:rgba(255,255,255,0.06);--text:#F0E6FF;--muted:#A78BCA;--radius:16px;--shadow:0 8px 32px rgba(192,132,252,0.15)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:var(--pink);text-decoration:none;transition:color .3s}
a:hover{color:var(--purple)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 20px}

/* 顶部导航 - 毛玻璃效果 */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,5,32,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(192,132,252,0.15);transition:all .3s}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:40px;width:auto}
.logo-wrap .brand-text{font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,var(--pink),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 16px;border-radius:10px;font-size:.9rem;color:var(--text);transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:linear-gradient(135deg,rgba(255,107,157,0.2),rgba(192,132,252,0.2));color:#fff}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}

/* 搜索框 */
.search-bar{display:flex;align-items:center;background:rgba(255,255,255,0.08);border:1px solid rgba(192,132,252,0.2);border-radius:25px;overflow:hidden;max-width:320px}
.search-bar input{background:transparent;border:none;color:var(--text);padding:8px 16px;font-size:.85rem;width:200px;outline:none}
.search-bar input::placeholder{color:var(--muted)}
.search-bar button{background:linear-gradient(135deg,var(--pink),var(--purple));border:none;color:#fff;padding:8px 18px;cursor:pointer;font-size:.85rem;transition:opacity .3s}
.search-bar button:hover{opacity:.85}

/* Hero区域 - 全屏渐变 */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:120px 20px 80px}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,5,32,0.3) 0%,rgba(15,5,32,0.7) 50%,var(--bg) 100%);z-index:1}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(0.6) saturate(1.3)}
.hero-content{position:relative;z-index:2;max-width:800px}
.hero h1{font-size:3.2rem;font-weight:800;margin-bottom:20px;background:linear-gradient(135deg,#fff,var(--pink),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.3}
.hero h2{font-size:1.3rem;color:var(--muted);margin-bottom:36px;font-weight:400}
.hero p{font-size:1.05rem;color:rgba(240,230,255,0.8);margin-bottom:40px;line-height:1.8}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:40px}
.hero-stats .stat{text-align:center}
.hero-stats .stat-num{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg,var(--pink),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stats .stat-label{font-size:.85rem;color:var(--muted);margin-top:4px}

/* 按钮 */
.btn{display:inline-block;padding:14px 36px;border-radius:30px;font-size:1rem;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;box-shadow:0 4px 20px rgba(255,107,157,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,107,157,0.5);color:#fff}
.btn-outline{border:2px solid var(--purple);color:var(--purple);background:transparent}
.btn-outline:hover{background:var(--purple);color:#fff}
.btn-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 通用区块 */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:2rem;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,var(--pink),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-header h3{font-size:1.6rem;font-weight:700;margin-bottom:12px;color:var(--text)}
.section-header p{color:var(--muted);font-size:1rem;max-width:680px;margin:0 auto}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--card);border:1px solid rgba(192,132,252,0.1);transition:all .4s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(255,107,157,0.3)}
.video-thumb{position:relative;padding-top:56.25%;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(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0.8);width:60px;height:60px;background:rgba(255,107,157,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .4s;box-shadow:0 4px 20px rgba(255,107,157,0.5)}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-tag{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:600}
.video-info{padding:16px}
.video-info h4{font-size:.95rem;font-weight:600;margin-bottom:8px;color:var(--text);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:.78rem;color:var(--muted)}
.video-meta span{display:flex;align-items:center;gap:4px}

/* 功能卡片 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--card);border:1px solid rgba(192,132,252,0.1);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:all .4s}
.feature-card:hover{transform:translateY(-4px);border-color:var(--pink);box-shadow:var(--shadow)}
.feature-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;background:linear-gradient(135deg,rgba(255,107,157,0.15),rgba(192,132,252,0.15))}
.feature-card h4{font-size:1.05rem;font-weight:600;margin-bottom:10px;color:var(--text)}
.feature-card p{font-size:.85rem;color:var(--muted);line-height:1.6}

/* 社区板块 */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.community-card{background:var(--card);border:1px solid rgba(192,132,252,0.1);border-radius:var(--radius);padding:28px;transition:all .4s;position:relative;overflow:hidden}
.community-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--pink),var(--purple));opacity:0;transition:opacity .3s}
.community-card:hover::before{opacity:1}
.community-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.community-card h4{font-size:1.05rem;font-weight:600;margin-bottom:8px;color:var(--text)}
.community-card p{font-size:.85rem;color:var(--muted);line-height:1.6}
.community-card .tag{display:inline-block;background:rgba(255,107,157,0.12);color:var(--pink);padding:3px 10px;border-radius:20px;font-size:.72rem;margin-top:10px}

/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:var(--card);border:1px solid rgba(192,132,252,0.1);border-radius:var(--radius);padding:28px;text-align:center;transition:all .4s}
.expert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.expert-avatar{width:90px;height:90px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid var(--purple);padding:2px}
.expert-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.expert-card h4{font-size:1rem;font-weight:600;margin-bottom:4px}
.expert-card .role{font-size:.8rem;color:var(--pink);margin-bottom:10px}
.expert-card p{font-size:.82rem;color:var(--muted);line-height:1.5;margin-bottom:14px}
.expert-links{display:flex;gap:10px;justify-content:center}
.expert-links a{padding:6px 14px;border-radius:20px;font-size:.75rem;border:1px solid var(--purple);color:var(--purple);transition:all .3s}
.expert-links a:hover{background:var(--purple);color:#fff}

/* 品牌墙 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:32px;padding:20px 0}
.brand-wall .brand-item{background:var(--card);border:1px solid rgba(192,132,252,0.1);border-radius:12px;padding:16px 28px;font-size:.95rem;font-weight:600;color:var(--muted);transition:all .3s;letter-spacing:1px}
.brand-wall .brand-item:hover{border-color:var(--pink);color:var(--pink)}

/* How-To步骤 */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{background:var(--card);border:1px solid rgba(192,132,252,0.1);border-radius:var(--radius);padding:32px 24px;text-align:center;position:relative;counter-increment:step;transition:all .4s}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-card::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;font-size:1.3rem;font-weight:800;margin:0 auto 18px}
.step-card h4{font-size:1rem;font-weight:600;margin-bottom:10px}
.step-card p{font-size:.85rem;color:var(--muted);line-height:1.6}

/* 用户评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--card);border:1px solid rgba(192,132,252,0.1);border-radius:var(--radius);padding:28px;transition:all .4s}
.review-card:hover{border-color:rgba(255,107,157,0.3);box-shadow:var(--shadow)}
.review-stars{color:var(--orange);font-size:1rem;margin-bottom:12px;letter-spacing:2px}
.review-text{font-size:.9rem;color:var(--text);line-height:1.7;margin-bottom:16px;font-style:italic}
.review-author{display:flex;align-items:center;gap:10px}
.review-author .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--purple));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-author .name{font-size:.85rem;font-weight:600}
.review-author .date{font-size:.75rem;color:var(--muted)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid rgba(192,132,252,0.1);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:rgba(255,107,157,0.3)}
.faq-q{padding:20px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:.95rem}
.faq-q::after{content:'+';font-size:1.3rem;color:var(--purple);transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px 20px;font-size:.88rem;color:var(--muted);line-height:1.7;display:none}
.faq-item.active .faq-a{display:block}

/* 页脚 */
.site-footer{background:rgba(15,5,32,0.95);border-top:1px solid rgba(192,132,252,0.1);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .brand-desc{font-size:.85rem;color:var(--muted);line-height:1.7;margin:16px 0}
.footer-qr{display:flex;gap:16px}
.footer-qr .qr-item{text-align:center}
.footer-qr .qr-item img{width:100px;height:100px;border-radius:8px;margin-bottom:6px}
.footer-qr .qr-item span{font-size:.72rem;color:var(--muted)}
.footer-col h5{font-size:.95rem;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col a{display:block;font-size:.85rem;color:var(--muted);padding:4px 0;transition:color .3s}
.footer-col a:hover{color:var(--pink)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(192,132,252,0.08);font-size:.8rem;color:var(--muted)}
.footer-bottom a{color:var(--pink)}

/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;margin-top:20px}
.share-bar a{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--card);border:1px solid rgba(192,132,252,0.15);color:var(--muted);font-size:.85rem;transition:all .3s}
.share-bar a:hover{background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;border-color:transparent}

/* 面包屑 */
.breadcrumb{padding:90px 0 20px;font-size:.85rem;color:var(--muted)}
.breadcrumb a{color:var(--pink)}
.breadcrumb span{margin:0 8px;color:var(--muted)}

/* 内页通用 */
.page-hero{padding:120px 0 60px;text-align:center;background:linear-gradient(180deg,rgba(255,107,157,0.08) 0%,transparent 100%)}
.page-hero h1{font-size:2.4rem;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,var(--pink),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-hero p{color:var(--muted);font-size:1rem;max-width:600px;margin:0 auto}

/* 响应式 */
@media(max-width:1024px){
  .video-grid,.community-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid,.expert-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2.4rem}
}
@media(max-width:768px){
  .main-nav{display:none;position:fixed;top:68px;left:0;right:0;background:rgba(15,5,32,0.98);flex-direction:column;padding:20px;gap:4px;border-bottom:1px solid rgba(192,132,252,0.15)}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .search-bar{max-width:100%;margin-top:12px}
  .search-bar input{width:100%}
  .video-grid,.community-grid,.review-grid,.feature-grid,.expert-grid,.steps-grid{grid-template-columns:1fr}
  .hero{min-height:80vh;padding:100px 20px 60px}
  .hero h1{font-size:1.8rem}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:50px 0}
  .btn-group{flex-direction:column;align-items:center}
}