/* 大奶 原创样式 - 甜心粉紫主题 */
:root{--primary:#E91E8C;--secondary:#7B2FF7;--accent:#FF6B9D;--bg-light:#FFF5F9;--bg-dark:#1A0A2E;--text-dark:#2D1B4E;--text-muted:#8B7AA0;--gradient:linear-gradient(135deg,#E91E8C,#7B2FF7);--card-shadow:0 8px 32px rgba(123,47,247,0.12);--radius:14px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text-dark);background:var(--bg-light);line-height:1.7}
a{color:var(--primary);text-decoration:none;transition:color .3s}
a:hover{color:var(--secondary)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1240px;margin:0 auto;padding:0 20px}

/* 导航栏 */
.nav-wrap{position:sticky;top:0;z-index:1000;background:rgba(255,245,249,0.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(233,30,140,0.1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1240px;margin:0 auto;padding:0 20px}
.nav-logo img{height:44px}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{font-size:15px;font-weight:500;color:var(--text-dark);padding:6px 0;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient);transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-mobile-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--primary)}

/* 搜索框 */
.search-bar{background:linear-gradient(135deg,rgba(233,30,140,0.06),rgba(123,47,247,0.06));padding:14px 0}
.search-inner{max-width:640px;margin:0 auto;position:relative;padding:0 20px}
.search-inner input{width:100%;padding:12px 48px 12px 20px;border:2px solid rgba(233,30,140,0.2);border-radius:50px;font-size:15px;background:#fff;outline:none;transition:border-color .3s}
.search-inner input:focus{border-color:var(--primary)}
.search-inner button{position:absolute;right:28px;top:50%;transform:translateY(-50%);background:var(--gradient);border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:16px}

/* Hero区域 */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:var(--bg-dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0.5}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,10,46,0.7),rgba(123,47,247,0.4))}
.hero-content{position:relative;z-index:2;text-align:center;width:100%;padding:60px 20px}
.hero h1{font-size:42px;color:#fff;margin-bottom:16px;text-shadow:0 2px 20px rgba(233,30,140,0.5)}
.hero h1 .hl{color:var(--accent);font-weight:800}
.hero p{font-size:18px;color:rgba(255,255,255,0.85);max-width:680px;margin:0 auto 28px}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:32px}
.hero-stat{text-align:center;color:#fff}
.hero-stat .num{font-size:36px;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-stat .label{font-size:13px;opacity:0.8;margin-top:4px}

/* 通用区块 */
.section{padding:64px 0}
.section-dark{background:var(--bg-dark);color:#fff}
.section-alt{background:linear-gradient(180deg,#FFF5F9,#F8EEFF)}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:32px;margin-bottom:10px}
.section-title h2 .hl{color:var(--primary)}
.section-title p{color:var(--text-muted);font-size:15px}
.section-dark .section-title p{color:rgba(255,255,255,0.6)}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--card-shadow);transition:transform .35s,box-shadow .35s;cursor:pointer;text-decoration:none;color:var(--text-dark)}
.video-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(233,30,140,0.18)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .thumb img{transform:scale(1.06)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(233,30,140,0.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .35s;pointer-events:none}
.video-card .play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-card .meta{padding:14px 16px}
.video-card .meta h3{font-size:15px;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .meta .info{display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted)}
.video-card .tag{position:absolute;top:10px;left:10px;background:var(--gradient);color:#fff;font-size:11px;padding:3px 10px;border-radius:20px}
.video-card .duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,0.7);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px}

/* 大卡片 */
.video-grid-featured{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:22px}
.video-card-lg .thumb{padding-top:56.25%}

/* 影视传媒横向滚动 */
.scroll-row{display:flex;gap:20px;overflow-x:auto;padding-bottom:16px;scrollbar-width:thin}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}
.scroll-card{min-width:280px;flex-shrink:0}

/* TikTok竖版网格 */
.tiktok-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.tiktok-card{border-radius:var(--radius);overflow:hidden;position:relative;padding-top:177%;background:#1A0A2E}
.tiktok-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tiktok-card .overlay{position:absolute;bottom:0;left:0;right:0;padding:16px;background:linear-gradient(transparent,rgba(0,0,0,0.8));color:#fff}
.tiktok-card .overlay h4{font-size:13px;margin-bottom:4px}
.tiktok-card .overlay span{font-size:11px;opacity:0.7}

/* AI赋能发光卡片 */
.ai-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:rgba(255,255,255,0.05);border:1px solid rgba(233,30,140,0.2);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:border-color .3s,box-shadow .3s}
.ai-card:hover{border-color:var(--primary);box-shadow:0 0 32px rgba(233,30,140,0.2)}
.ai-card .icon{font-size:40px;margin-bottom:16px}
.ai-card h3{font-size:18px;margin-bottom:10px}
.ai-card p{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.6}

/* 社区标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tag-cloud a{display:inline-block;padding:8px 20px;border-radius:50px;font-size:14px;border:1px solid rgba(233,30,140,0.3);color:var(--primary);transition:all .3s}
.tag-cloud a:hover{background:var(--gradient);color:#fff;border-color:transparent}
.tag-cloud a.hot{background:var(--gradient);color:#fff;border-color:transparent}

/* 专家六边形 */
.experts-grid{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.expert-card{text-align:center;max-width:220px}
.expert-hex{width:140px;height:140px;margin:0 auto 16px;border-radius:50%;overflow:hidden;border:3px solid var(--primary);padding:3px}
.expert-hex img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.expert-card h4{font-size:16px;margin-bottom:4px}
.expert-card .role{font-size:13px;color:var(--primary);margin-bottom:8px}
.expert-card p{font-size:12px;color:var(--text-muted);line-height:1.5}
.expert-card .btns{margin-top:10px;display:flex;gap:8px;justify-content:center}
.expert-card .btns a{font-size:12px;padding:4px 14px;border-radius:20px;border:1px solid var(--primary);color:var(--primary)}
.expert-card .btns a:hover{background:var(--primary);color:#fff}

/* 品牌墙 */
.brand-wall{display:flex;gap:40px;justify-content:center;align-items:center;flex-wrap:wrap;opacity:0.6}
.brand-wall span{font-size:18px;font-weight:700;color:var(--text-muted)}

/* How-To时间线 */
.timeline{max-width:700px;margin:0 auto;position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:var(--gradient)}
.timeline-item{position:relative;margin-bottom:32px}
.timeline-item::before{content:attr(data-step);position:absolute;left:-40px;width:30px;height:30px;background:var(--gradient);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.timeline-item h4{font-size:16px;margin-bottom:6px}
.timeline-item p{font-size:14px;color:var(--text-muted)}

/* 用户评价气泡 */
.reviews-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-bubble{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--card-shadow);position:relative}
.review-bubble::after{content:'';position:absolute;bottom:-10px;left:32px;border-width:10px 10px 0;border-style:solid;border-color:#fff transparent transparent}
.review-bubble .stars{color:#FFB800;font-size:14px;margin-bottom:8px}
.review-bubble p{font-size:14px;line-height:1.7;margin-bottom:12px}
.review-bubble .author{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted)}
.review-bubble .avatar{width:36px;height:36px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700}

/* FAQ手风琴 */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid rgba(233,30,140,0.15);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 24px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;background:#fff;transition:background .3s}
.faq-q:hover{background:rgba(233,30,140,0.04)}
.faq-q .arrow{transition:transform .3s;font-size:12px;color:var(--primary)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s,padding .4s;font-size:14px;color:var(--text-muted);line-height:1.7}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 18px}

/* 联系我们双栏 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info h3{font-size:20px;margin-bottom:16px}
.contact-info p{font-size:14px;margin-bottom:10px;color:var(--text-muted)}
.contact-info .item{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}
.contact-info .item .icon{color:var(--primary);font-size:18px;min-width:24px}
.contact-qr{display:flex;gap:24px;justify-content:center}
.contact-qr .qr-item{text-align:center}
.contact-qr .qr-item img{width:140px;height:140px;border-radius:12px;margin-bottom:8px}
.contact-qr .qr-item span{font-size:13px;color:var(--text-muted)}

/* 分享栏 */
.share-bar{display:flex;gap:12px;justify-content:center;padding:24px 0}
.share-bar a{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:50px;font-size:13px;color:#fff;transition:opacity .3s}
.share-bar a:hover{opacity:0.85;color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* 页脚 */
.footer{background:var(--bg-dark);color:rgba(255,255,255,0.7);padding:48px 0 24px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer p,.footer a{font-size:13px;color:rgba(255,255,255,0.6);line-height:2}
.footer a:hover{color:var(--accent)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,0.1);font-size:12px}
.footer-logo img{height:40px;margin-bottom:12px}

/* MCP */
.mcp-widget{background:rgba(233,30,140,0.05);border:1px solid rgba(233,30,140,0.15);border-radius:var(--radius);padding:20px;margin-top:24px;text-align:center;font-size:13px;color:var(--text-muted)}

/* 播放页 */
.player-wrap{background:#000;padding:20px 0}
.player-container{max-width:960px;margin:0 auto}
.player-container video{width:100%;border-radius:8px}
.video-info{max-width:960px;margin:24px auto;padding:0 20px}
.video-info h1{font-size:24px;margin-bottom:12px}
.video-info .stats{display:flex;gap:24px;font-size:14px;color:var(--text-muted);margin-bottom:16px}
.related-videos{max-width:960px;margin:0 auto;padding:0 20px}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{margin:0 6px}

/* 内页banner */
.page-banner{background:var(--bg-dark);padding:48px 0;text-align:center;position:relative;overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;background:var(--gradient);opacity:0.15}
.page-banner h1{font-size:32px;color:#fff;position:relative;z-index:1}
.page-banner p{color:rgba(255,255,255,0.7);font-size:15px;position:relative;z-index:1;margin-top:8px}

/* 响应式 */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.tiktok-grid{grid-template-columns:repeat(4,1fr)}
.ai-cards{grid-template-columns:repeat(2,1fr)}
.footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--bg-light);flex-direction:column;padding:20px;gap:16px;box-shadow:0 8px 24px rgba(0,0,0,0.1)}
.nav-links.open{display:flex}
.nav-mobile-btn{display:block}
.hero h1{font-size:28px}
.hero p{font-size:15px}
.hero-stats{gap:24px}
.hero-stat .num{font-size:24px}
.video-grid{grid-template-columns:repeat(2,1fr)}
.video-grid-featured{grid-template-columns:1fr}
.tiktok-grid{grid-template-columns:repeat(3,1fr)}
.ai-cards{grid-template-columns:1fr}
.reviews-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.experts-grid{gap:24px}
.section{padding:40px 0}
.section-title h2{font-size:24px}
.footer-inner{grid-template-columns:1fr}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.tiktok-grid{grid-template-columns:repeat(2,1fr)}
.hero-stats{flex-direction:column;gap:16px}
}

/* 干扰标签隐藏 */
.interference-zone{position:absolute;overflow:hidden;width:0;height:0;clip:rect(0,0,0,0)}