/* ============================================
   母狗 - rcLhq.cn 原创样式表
   配色：樱花粉#FF6B9D 星空紫#C44DFF 暖金#FFB347
   背景：深夜蓝#0B0B1E
   ============================================ */

/* === 基础重置与全局 === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--pk:#FF6B9D;--pp:#C44DFF;--gd:#FFB347;--bg:#0B0B1E;--bg2:#12122E;--bg3:#1A1A3E;--txt:#E8E8F0;--txt2:#A0A0C0;--radius:12px;--shadow:0 4px 20px rgba(196,77,255,.15)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;overflow-x:hidden}
a{color:var(--pk);text-decoration:none;transition:color .3s}
a:hover{color:var(--gd)}
img{max-width:100%;height:auto;display:block}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* === 容器 === */
.sv-wrap{max-width:1280px;margin:0 auto;padding:0 20px}

/* === 顶部导航 === */
.sv-nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(11,11,30,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,107,157,.12);transition:all .3s}
.sv-nav .sv-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.sv-nav-logo{display:flex;align-items:center;gap:10px}
.sv-nav-logo img{height:42px;width:auto}
.sv-nav-logo span{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--pk),var(--pp));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sv-nav-links{display:flex;gap:28px;list-style:none}
.sv-nav-links a{color:var(--txt2);font-size:.95rem;padding:6px 0;position:relative;transition:color .3s}
.sv-nav-links a:hover,.sv-nav-links a.active{color:var(--pk)}
.sv-nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--pk),var(--pp));transition:width .3s}
.sv-nav-links a:hover::after,.sv-nav-links a.active::after{width:100%}
.sv-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.sv-hamburger span{display:block;width:24px;height:2px;background:var(--txt);transition:all .3s}

/* === 搜索栏 === */
.sv-search-bar{margin-top:78px;padding:14px 0;background:var(--bg2);border-bottom:1px solid rgba(255,107,157,.08)}
.sv-search-box{display:flex;max-width:600px;margin:0 auto}
.sv-search-box input{flex:1;padding:10px 18px;background:var(--bg3);border:1px solid rgba(196,77,255,.2);border-radius:var(--radius) 0 0 var(--radius);color:var(--txt);font-size:.95rem;outline:none;transition:border-color .3s}
.sv-search-box input:focus{border-color:var(--pk)}
.sv-search-box button{padding:10px 24px;background:linear-gradient(135deg,var(--pk),var(--pp));border:none;color:#fff;font-size:.95rem;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;transition:opacity .3s}
.sv-search-box button:hover{opacity:.85}

/* === Banner === */
.sv-hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden}
.sv-hero-bg{position:absolute;inset:0;z-index:0}
.sv-hero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.sv-hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,11,30,.85),rgba(196,77,255,.25))}
.sv-hero-content{position:relative;z-index:2;max-width:720px;padding:60px 0}
.sv-hero-content h1{font-size:2.6rem;font-weight:800;line-height:1.3;margin-bottom:16px;background:linear-gradient(135deg,#fff,var(--pk));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sv-hero-content p{font-size:1.1rem;color:var(--txt2);margin-bottom:24px;line-height:1.8}
.sv-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.sv-hero-tags span{padding:5px 14px;background:rgba(255,107,157,.12);border:1px solid rgba(255,107,157,.25);border-radius:20px;font-size:.82rem;color:var(--pk)}
.sv-hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.sv-btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,var(--pk),var(--pp));color:#fff;border-radius:var(--radius);font-weight:600;transition:transform .3s,box-shadow .3s}
.sv-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,107,157,.35);color:#fff}
.sv-btn-outline{display:inline-block;padding:12px 32px;border:2px solid var(--pk);color:var(--pk);border-radius:var(--radius);font-weight:600;transition:all .3s}
.sv-btn-outline:hover{background:var(--pk);color:#fff}

/* === 通用区块 === */
.sv-section{padding:70px 0}
.sv-section-title{text-align:center;margin-bottom:48px}
.sv-section-title h2{font-size:2rem;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,var(--pk),var(--pp));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sv-section-title p{color:var(--txt2);font-size:1rem;max-width:600px;margin:0 auto}

/* === 视频卡片网格 === */
.sv-video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sv-video-card{background:var(--bg2);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(255,107,157,.08)}
.sv-video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.sv-video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.sv-video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.sv-video-card:hover .sv-video-thumb img{transform:scale(1.06)}
.sv-video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(11,11,30,.5);opacity:0;transition:opacity .3s}
.sv-video-card:hover .sv-video-play{opacity:1}
.sv-video-play-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--pk),var(--pp));border-radius:50%;display:flex;align-items:center;justify-content:center}
.sv-video-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}
.sv-video-dur{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.78rem}
.sv-video-info{padding:16px}
.sv-video-info h3{font-size:.95rem;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.sv-video-meta{display:flex;gap:14px;color:var(--txt2);font-size:.8rem}
.sv-video-meta span{display:flex;align-items:center;gap:4px}

/* === 影视传媒模块 === */
.sv-media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sv-media-card{background:var(--bg2);border-radius:var(--radius);padding:32px 24px;text-align:center;border:1px solid rgba(196,77,255,.1);transition:all .3s}
.sv-media-card:hover{border-color:var(--pk);transform:translateY(-4px);box-shadow:var(--shadow)}
.sv-media-icon{font-size:2.4rem;margin-bottom:16px}
.sv-media-card h3{font-size:1.1rem;font-weight:600;margin-bottom:10px;color:var(--txt)}
.sv-media-card p{font-size:.88rem;color:var(--txt2);line-height:1.6}

/* === AI赋能模块 === */
.sv-ai-section{background:linear-gradient(135deg,rgba(196,77,255,.06),rgba(255,107,157,.06))}
.sv-ai-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sv-ai-card{display:flex;gap:20px;background:var(--bg2);border-radius:var(--radius);padding:28px;border:1px solid rgba(196,77,255,.12);transition:all .3s}
.sv-ai-card:hover{border-color:var(--pp);box-shadow:var(--shadow)}
.sv-ai-icon{flex-shrink:0;width:56px;height:56px;background:linear-gradient(135deg,var(--pp),var(--pk));border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.sv-ai-text h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.sv-ai-text p{font-size:.88rem;color:var(--txt2);line-height:1.6}

/* === 社区模块 === */
.sv-community{background:var(--bg2)}
.sv-community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sv-community-item{background:var(--bg3);border-radius:var(--radius);padding:24px;text-align:center;border:1px solid rgba(255,179,71,.1);transition:all .3s}
.sv-community-item:hover{border-color:var(--gd);transform:translateY(-3px)}
.sv-community-item .icon{font-size:2rem;margin-bottom:12px}
.sv-community-item h4{font-size:.95rem;font-weight:600;margin-bottom:6px}
.sv-community-item p{font-size:.82rem;color:var(--txt2)}

/* === 专家展示 === */
.sv-expert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.sv-expert-card{display:flex;gap:24px;background:var(--bg2);border-radius:var(--radius);padding:28px;border:1px solid rgba(255,107,157,.1);transition:all .3s}
.sv-expert-card:hover{box-shadow:var(--shadow)}
.sv-expert-avatar{flex-shrink:0;width:100px;height:100px;border-radius:50%;overflow:hidden;border:3px solid var(--pk)}
.sv-expert-avatar img{width:100%;height:100%;object-fit:cover}
.sv-expert-info h3{font-size:1.1rem;font-weight:600;margin-bottom:4px}
.sv-expert-info .role{color:var(--pk);font-size:.85rem;margin-bottom:8px}
.sv-expert-info p{font-size:.85rem;color:var(--txt2);margin-bottom:12px;line-height:1.5}
.sv-expert-btns{display:flex;gap:10px}
.sv-expert-btns a{padding:6px 16px;font-size:.82rem;border-radius:6px}

/* === FAQ === */
.sv-faq-list{max-width:800px;margin:0 auto}
.sv-faq-item{background:var(--bg2);border-radius:var(--radius);margin-bottom:12px;border:1px solid rgba(196,77,255,.1);overflow:hidden}
.sv-faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:background .3s}
.sv-faq-q:hover{background:rgba(196,77,255,.05)}
.sv-faq-q::after{content:'+';font-size:1.3rem;color:var(--pk);transition:transform .3s}
.sv-faq-item.open .sv-faq-q::after{transform:rotate(45deg)}
.sv-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}
.sv-faq-item.open .sv-faq-a{max-height:300px;padding:0 24px 18px}
.sv-faq-a p{font-size:.9rem;color:var(--txt2);line-height:1.7}

/* === 用户评论 === */
.sv-reviews{background:var(--bg2)}
.sv-review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sv-review-card{background:var(--bg3);border-radius:var(--radius);padding:24px;border:1px solid rgba(255,179,71,.1)}
.sv-review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.sv-review-head .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--pk),var(--pp));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.sv-review-head .name{font-weight:600;font-size:.95rem}
.sv-review-head .date{font-size:.78rem;color:var(--txt2)}
.sv-review-stars{color:var(--gd);margin-bottom:10px;font-size:.9rem}
.sv-review-card p{font-size:.9rem;color:var(--txt2);line-height:1.6}

/* === 联系我们 === */
.sv-contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.sv-contact-info{background:var(--bg2);border-radius:var(--radius);padding:32px;border:1px solid rgba(255,107,157,.1)}
.sv-contact-info h3{font-size:1.2rem;font-weight:600;margin-bottom:16px;color:var(--pk)}
.sv-contact-row{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;font-size:.9rem;color:var(--txt2)}
.sv-contact-row .label{font-weight:600;color:var(--txt);min-width:80px}
.sv-qr-grid{display:flex;gap:20px;margin-top:16px}
.sv-qr-item{text-align:center}
.sv-qr-item img{width:140px;height:140px;border-radius:8px;margin-bottom:8px}
.sv-qr-item span{font-size:.82rem;color:var(--txt2)}

/* === 社交分享 === */
.sv-share{text-align:center;padding:40px 0}
.sv-share-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.sv-share-btns a{padding:10px 22px;border-radius:var(--radius);font-size:.88rem;font-weight:500;transition:all .3s;border:1px solid rgba(255,107,157,.2);color:var(--txt)}
.sv-share-btns a:hover{background:var(--pk);color:#fff;border-color:var(--pk)}

/* === 页脚 === */
.sv-footer{background:var(--bg2);border-top:1px solid rgba(255,107,157,.1);padding:48px 0 24px}
.sv-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.sv-footer-brand img{height:40px;margin-bottom:12px}
.sv-footer-brand p{font-size:.88rem;color:var(--txt2);line-height:1.6}
.sv-footer-col h4{font-size:.95rem;font-weight:600;margin-bottom:14px;color:var(--pk)}
.sv-footer-col ul{list-style:none}
.sv-footer-col li{margin-bottom:8px}
.sv-footer-col a{color:var(--txt2);font-size:.85rem;transition:color .3s}
.sv-footer-col a:hover{color:var(--pk)}
.sv-footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(255,107,157,.08);font-size:.82rem;color:var(--txt2)}

/* === MCP服务前端 === */
.sv-mcp{background:var(--bg3);border-radius:var(--radius);padding:20px;margin:20px 0;border:1px solid rgba(196,77,255,.1)}
.sv-mcp h4{font-size:.9rem;color:var(--pp);margin-bottom:8px}
.sv-mcp code{font-size:.78rem;color:var(--txt2);background:var(--bg);padding:8px 12px;border-radius:6px;display:block;overflow-x:auto}

/* === 面包屑 === */
.sv-breadcrumb{padding:12px 0;font-size:.85rem;color:var(--txt2)}
.sv-breadcrumb a{color:var(--pk)}
.sv-breadcrumb span{margin:0 8px;color:var(--txt2)}

/* === 内页通用 === */
.sv-page-hero{padding:100px 0 50px;background:linear-gradient(135deg,var(--bg),var(--bg2));text-align:center}
.sv-page-hero h1{font-size:2.2rem;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,var(--pk),var(--pp));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sv-page-hero p{color:var(--txt2);font-size:1rem}

/* === How-To指南 === */
.sv-howto{background:linear-gradient(135deg,rgba(255,179,71,.05),rgba(255,107,157,.05))}
.sv-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin:0 auto}
.sv-howto-step{text-align:center;padding:24px 16px;background:var(--bg2);border-radius:var(--radius);border:1px solid rgba(255,179,71,.15)}
.sv-howto-step .num{width:40px;height:40px;background:linear-gradient(135deg,var(--gd),var(--pk));border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-weight:700;color:#fff}
.sv-howto-step h4{font-size:.92rem;font-weight:600;margin-bottom:6px}
.sv-howto-step p{font-size:.82rem;color:var(--txt2)}

/* === 合作品牌 === */
.sv-partners{text-align:center}
.sv-partner-logos{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;opacity:.6}
.sv-partner-logos span{font-size:1.1rem;color:var(--txt2);padding:16px 28px;background:var(--bg2);border-radius:var(--radius);border:1px solid rgba(255,107,157,.08)}

/* === 响应式 === */
@media(max-width:1024px){
.sv-video-grid,.sv-media-grid{grid-template-columns:repeat(2,1fr)}
.sv-ai-grid{grid-template-columns:1fr}
.sv-footer-grid{grid-template-columns:1fr 1fr}
.sv-community-grid{grid-template-columns:repeat(2,1fr)}
.sv-howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.sv-nav-links{display:none;position:absolute;top:68px;left:0;width:100%;background:var(--bg);flex-direction:column;padding:20px;gap:16px;border-bottom:1px solid rgba(255,107,157,.12)}
.sv-nav-links.show{display:flex}
.sv-hamburger{display:flex}
.sv-hero-content h1{font-size:1.8rem}
.sv-hero{min-height:400px}
.sv-video-grid,.sv-media-grid{grid-template-columns:1fr}
.sv-expert-grid,.sv-review-grid,.sv-contact-grid{grid-template-columns:1fr}
.sv-expert-card{flex-direction:column;align-items:center;text-align:center}
.sv-section{padding:48px 0}
.sv-footer-grid{grid-template-columns:1fr}
.sv-howto-steps{grid-template-columns:1fr}
.sv-community-grid{grid-template-columns:1fr}
}

/* === 懒加载 === */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}

/* === 干扰标签隐藏 === */
div[class^="ntfcnrw-"],span[class^="ntfcnrw-"],p[class^="ntfcnrw-"]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);opacity:0;pointer-events:none}