/* ========================================
   品牌站点 - 原创CSS样式
   配色：樱花粉 #FF6B9D / 深玫红 #C44569 / 阳光金 #F8B500
   ======================================== */

/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#2D3436;background:#FFF5F7;line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:#C44569;text-decoration:none;transition:color .25s}
a:hover{color:#FF6B9D}
ul{list-style:none}

/* Container */
.xh-container{max-width:1240px;margin:0 auto;padding:0 20px}

/* Header */
.xh-header{background:#1A1A2E;position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(26,26,46,.3)}
.xh-nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.xh-logo-link{display:flex;align-items:center;flex-shrink:0}
.xh-logo-img{height:42px;width:auto}
.xh-main-nav{flex:1;display:flex;justify-content:center}
.xh-nav-list{display:flex;gap:6px}
.xh-nav-list a{color:#e8d5e0;font-size:.95rem;padding:8px 16px;border-radius:8px;transition:all .25s;font-weight:500}
.xh-nav-list a:hover,.xh-nav-list .xh-nav-active{color:#fff;background:linear-gradient(135deg,#FF6B9D,#C44569);box-shadow:0 2px 8px rgba(255,107,157,.3)}
.xh-mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px}
.xh-mobile-toggle span{display:block;width:26px;height:3px;background:#FF6B9D;margin:5px 0;border-radius:3px;transition:all .3s}

/* Search Bar */
.xh-search-bar{padding:10px 0 14px;max-width:680px;margin:0 auto}
.xh-search-form{display:flex;gap:0;border-radius:28px;overflow:hidden;box-shadow:0 2px 10px rgba(255,107,157,.15)}
.xh-search-input{flex:1;padding:11px 22px;border:2px solid rgba(255,107,157,.3);border-right:none;border-radius:28px 0 0 28px;font-size:.9rem;outline:none;background:#fff;color:#2D3436;transition:border-color .25s}
.xh-search-input:focus{border-color:#FF6B9D}
.xh-search-btn{padding:11px 28px;background:linear-gradient(135deg,#FF6B9D,#C44569);color:#fff;border:none;cursor:pointer;font-size:.9rem;font-weight:600;border-radius:0 28px 28px 0;transition:opacity .25s}
.xh-search-btn:hover{opacity:.88}

/* Hero */
.xh-hero{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.xh-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.xh-hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,26,46,.75),rgba(196,69,105,.45))}
.xh-hero-content{position:relative;z-index:2;text-align:center;padding:60px 20px;max-width:860px}
.xh-hero-title{font-size:2.6rem;color:#fff;font-weight:800;margin-bottom:18px;text-shadow:0 2px 12px rgba(0,0,0,.3);line-height:1.3}
.xh-hero-desc{font-size:1.1rem;color:rgba(255,255,255,.9);margin-bottom:30px;line-height:1.8}
.xh-hero-actions{display:flex;gap:16px;justify-content:center;margin-bottom:36px;flex-wrap:wrap}

/* Buttons */
.xh-btn{display:inline-block;padding:13px 32px;border-radius:28px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;border:2px solid transparent;text-align:center}
.xh-btn-primary{background:linear-gradient(135deg,#FF6B9D,#C44569);color:#fff;box-shadow:0 4px 16px rgba(255,107,157,.35)}
.xh-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 22px rgba(255,107,157,.45);color:#fff}
.xh-btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.xh-btn-outline:hover{background:rgba(255,255,255,.15);color:#fff}
.xh-btn-secondary{background:linear-gradient(135deg,#F8B500,#e6a600);color:#1A1A2E;box-shadow:0 4px 14px rgba(248,181,0,.3)}
.xh-btn-secondary:hover{transform:translateY(-2px);color:#1A1A2E}
.xh-btn-sm{padding:8px 20px;font-size:.85rem;border-radius:20px}

/* Hero Stats */
.xh-hero-stats{display:flex;gap:40px;justify-content:center;flex-wrap:wrap}
.xh-stat-item{text-align:center;color:#fff}
.xh-stat-item strong{display:block;font-size:1.8rem;font-weight:800;color:#F8B500}
.xh-stat-item span{font-size:.85rem;opacity:.85}

/* Breadcrumb */
.xh-breadcrumb{background:#fff;padding:12px 0;border-bottom:1px solid rgba(255,107,157,.1)}
.xh-breadcrumb ol{display:flex;gap:8px;font-size:.85rem;color:#636E72}
.xh-breadcrumb a{color:#C44569}

/* Section Common */
.xh-section{padding:64px 0}
.xh-section:nth-child(even){background:#fff}
.xh-section-header{text-align:center;margin-bottom:48px}
.xh-section-title{font-size:2rem;font-weight:800;color:#1A1A2E;margin-bottom:12px;position:relative;display:inline-block}
.xh-section-title::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:4px;background:linear-gradient(90deg,#FF6B9D,#F8B500);border-radius:2px}
.xh-section-subtitle{font-size:1rem;color:#636E72;max-width:720px;margin:16px auto 0;line-height:1.7}
.xh-section-more{text-align:center;margin-top:36px}

/* Video Grid */
.xh-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.xh-video-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 4px 18px rgba(26,26,46,.06);transition:all .3s}
.xh-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(255,107,157,.15)}
.xh-video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#f0e6ea}
.xh-video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.xh-play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(26,26,46,.35);opacity:0;transition:opacity .3s;cursor:pointer}
.xh-video-card:hover .xh-play-overlay{opacity:1}
.xh-play-btn{width:52px;height:52px;background:rgba(255,107,157,.9);border-radius:50%;position:relative;box-shadow:0 4px 16px rgba(255,107,157,.4)}
.xh-play-btn::after{content:'';position:absolute;left:20px;top:14px;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff}
.xh-video-duration{position:absolute;bottom:8px;right:8px;background:rgba(26,26,46,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.xh-video-info{padding:14px 16px}
.xh-video-title{font-size:.92rem;font-weight:700;color:#1A1A2E;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.xh-video-meta{display:flex;gap:10px;font-size:.78rem;color:#636E72;margin-bottom:8px;flex-wrap:wrap}
.xh-video-tags{display:flex;gap:6px;flex-wrap:wrap}
.xh-video-tags span{background:linear-gradient(135deg,rgba(255,107,157,.1),rgba(196,69,105,.08));color:#C44569;padding:2px 10px;border-radius:12px;font-size:.72rem}

/* Services */
.xh-services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:36px}
.xh-service-card{background:#fff;padding:32px 24px;border-radius:14px;text-align:center;box-shadow:0 4px 18px rgba(26,26,46,.05);transition:all .3s;border:1px solid rgba(255,107,157,.08)}
.xh-service-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(255,107,157,.12);border-color:rgba(255,107,157,.2)}
.xh-service-icon{font-size:2.8rem;margin-bottom:16px}
.xh-service-card h3{font-size:1.1rem;color:#1A1A2E;margin-bottom:10px;font-weight:700}
.xh-service-card p{font-size:.88rem;color:#636E72;line-height:1.7}
.xh-services-banner{border-radius:14px;overflow:hidden;box-shadow:0 4px 18px rgba(26,26,46,.08)}
.xh-services-banner img{width:100%;height:auto}

/* Entertainment */
.xh-ent-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:20px}
.xh-ent-card{position:relative;border-radius:14px;overflow:hidden;min-height:220px;cursor:pointer}
.xh-ent-large{grid-row:span 2;min-height:460px}
.xh-ent-visual{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s}
.xh-ent-card:hover .xh-ent-visual{transform:scale(1.06)}
.xh-ent-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(26,26,46,.85) 0%,transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff}
.xh-ent-overlay h3{font-size:1.2rem;margin-bottom:6px;font-weight:700}
.xh-ent-overlay p{font-size:.85rem;opacity:.85;margin-bottom:8px}
.xh-ent-tag{display:inline-block;background:linear-gradient(135deg,#FF6B9D,#C44569);padding:3px 12px;border-radius:12px;font-size:.75rem;width:fit-content}

/* AI Zone */
.xh-ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:36px}
.xh-ai-card{background:linear-gradient(145deg,#1A1A2E,#2d2d4e);padding:32px 24px;border-radius:14px;color:#fff;transition:all .3s}
.xh-ai-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(255,107,157,.2)}
.xh-ai-icon{font-size:2.6rem;margin-bottom:14px}
.xh-ai-card h3{font-size:1.1rem;margin-bottom:10px;font-weight:700;color:#FF6B9D}
.xh-ai-card p{font-size:.88rem;color:rgba(255,255,255,.8);line-height:1.7;margin-bottom:14px}
.xh-ai-features-list{padding-left:18px}
.xh-ai-features-list li{font-size:.82rem;color:rgba(255,255,255,.7);margin-bottom:6px;list-style:disc}
.xh-ai-banner{border-radius:14px;overflow:hidden;box-shadow:0 4px 18px rgba(26,26,46,.08)}
.xh-ai-banner img{width:100%;height:auto}

/* Community */
.xh-community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px}
.xh-comm-card{background:#fff;padding:28px 22px;border-radius:14px;border-left:4px solid #FF6B9D;box-shadow:0 4px 14px rgba(26,26,46,.05);transition:all .3s}
.xh-comm-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(255,107,157,.12)}
.xh-comm-card h4{font-size:1.05rem;color:#1A1A2E;margin-bottom:8px;font-weight:700}
.xh-comm-card p{font-size:.88rem;color:#636E72;line-height:1.6}
.xh-community-banner{border-radius:14px;overflow:hidden;box-shadow:0 4px 18px rgba(26,26,46,.08)}
.xh-community-banner img{width:100%;height:auto}

/* Experts */
.xh-experts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.xh-expert-card{background:#fff;padding:28px 20px;border-radius:14px;text-align:center;box-shadow:0 4px 18px rgba(26,26,46,.06);transition:all .3s}
.xh-expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(255,107,157,.12)}
.xh-expert-photo{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 14px;border:3px solid #FF6B9D}
.xh-expert-card h3{font-size:1.1rem;color:#1A1A2E;margin-bottom:4px;font-weight:700}
.xh-expert-role{font-size:.82rem;color:#C44569;margin-bottom:10px;font-weight:600}
.xh-expert-bio{font-size:.82rem;color:#636E72;line-height:1.6;margin-bottom:12px}
.xh-expert-awards{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
.xh-expert-awards span{background:linear-gradient(135deg,#F8B500,#e6a600);color:#1A1A2E;padding:2px 10px;border-radius:10px;font-size:.72rem;font-weight:600}
.xh-expert-actions{display:flex;gap:8px;justify-content:center}

/* Partners & How-To */
.xh-partner-logos{border-radius:14px;overflow:hidden;margin-bottom:48px;box-shadow:0 4px 18px rgba(26,26,46,.06)}
.xh-partner-logos img{width:100%;height:auto}
.xh-howto-title{font-size:1.5rem;color:#1A1A2E;text-align:center;margin-bottom:32px;font-weight:700}
.xh-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.xh-step{text-align:center;padding:24px 16px}
.xh-step-num{width:48px;height:48px;background:linear-gradient(135deg,#FF6B9D,#C44569);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;margin:0 auto 14px}
.xh-step h4{font-size:1rem;color:#1A1A2E;margin-bottom:8px;font-weight:700}
.xh-step p{font-size:.85rem;color:#636E72;line-height:1.6}

/* Reviews */
.xh-reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.xh-review-card{background:#fff;padding:24px;border-radius:14px;box-shadow:0 4px 14px rgba(26,26,46,.05);transition:all .3s}
.xh-review-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(255,107,157,.1)}
.xh-review-stars{color:#F8B500;font-size:1.1rem;margin-bottom:10px;letter-spacing:2px}
.xh-review-text{font-size:.88rem;color:#2D3436;line-height:1.7;margin-bottom:12px}
.xh-review-author{display:flex;justify-content:space-between;font-size:.8rem;color:#636E72}

/* FAQ */
.xh-faq-list{max-width:800px;margin:0 auto}
.xh-faq-item{margin-bottom:12px;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 2px 10px rgba(26,26,46,.04)}
.xh-faq-question{width:100%;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;background:none;border:none;cursor:pointer;font-size:1rem;font-weight:600;color:#1A1A2E;text-align:left;transition:background .25s}
.xh-faq-question:hover{background:rgba(255,107,157,.05)}
.xh-faq-toggle{font-size:1.4rem;color:#FF6B9D;font-weight:300;transition:transform .3s}
.xh-faq-item.active .xh-faq-toggle{transform:rotate(45deg)}
.xh-faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.xh-faq-item.active .xh-faq-answer{max-height:300px}
.xh-faq-answer p{padding:0 24px 18px;font-size:.9rem;color:#636E72;line-height:1.7}

/* Contact */
.xh-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.xh-contact-info{background:#fff;padding:32px;border-radius:14px;box-shadow:0 4px 18px rgba(26,26,46,.06)}
.xh-contact-info h3{font-size:1.3rem;color:#1A1A2E;margin-bottom:18px;font-weight:700}
.xh-contact-item{padding:8px 0;border-bottom:1px solid rgba(255,107,157,.08);font-size:.9rem;color:#2D3436}
.xh-contact-item strong{color:#C44569}
.xh-contact-community{margin-top:20px;padding-top:16px;border-top:2px solid rgba(255,107,157,.1)}
.xh-contact-community h4{font-size:1rem;color:#1A1A2E;margin-bottom:10px;font-weight:700}
.xh-contact-community p{font-size:.85rem;color:#636E72;margin-bottom:4px}
.xh-contact-qrcodes{display:flex;gap:24px;justify-content:center}
.xh-qrcode{text-align:center}
.xh-qrcode img{width:180px;height:180px;border-radius:12px;box-shadow:0 4px 14px rgba(26,26,46,.08);margin-bottom:8px}
.xh-qrcode p{font-size:.85rem;color:#636E72;font-weight:600}

/* Share */
.xh-share{text-align:center;padding:40px 0;background:linear-gradient(135deg,#1A1A2E,#2d2d4e)}
.xh-share-title{color:#fff;font-size:1.3rem;margin-bottom:20px;font-weight:700}
.xh-share-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.xh-share-btn{padding:10px 24px;border-radius:24px;font-size:.88rem;font-weight:600;color:#fff;transition:all .3s}
.xh-share-wechat{background:#07C160}
.xh-share-weibo{background:#E6162D}
.xh-share-douyin{background:#010101}
.xh-share-bilibili{background:#00A1D6}
.xh-share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}

/* Footer */
.xh-footer{background:#1A1A2E;color:rgba(255,255,255,.7);padding:48px 0 0}
.xh-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.xh-footer-brand{padding-right:20px}
.xh-footer-logo{height:36px;width:auto;margin-bottom:14px}
.xh-footer-brand p{font-size:.85rem;line-height:1.7}
.xh-footer-links h4,.xh-footer-contact h4{color:#FF6B9D;font-size:.95rem;margin-bottom:14px;font-weight:700}
.xh-footer-links li{margin-bottom:8px}
.xh-footer-links a{color:rgba(255,255,255,.6);font-size:.85rem;transition:color .25s}
.xh-footer-links a:hover{color:#FF6B9D}
.xh-footer-contact p{font-size:.85rem;margin-bottom:6px}
.xh-footer-bottom{text-align:center;padding:20px 0;font-size:.82rem;color:rgba(255,255,255,.5)}

/* Lazy Load Placeholder */
.xh-lazy{opacity:0;transition:opacity .5s}
.xh-lazy.loaded{opacity:1}

/* Mobile Responsive */
@media(max-width:1024px){
    .xh-video-grid{grid-template-columns:repeat(3,1fr)}
    .xh-experts-grid{grid-template-columns:repeat(2,1fr)}
    .xh-howto-steps{grid-template-columns:repeat(2,1fr)}
    .xh-footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .xh-main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#1A1A2E;padding:16px;box-shadow:0 8px 24px rgba(0,0,0,.3)}
    .xh-main-nav.active{display:block}
    .xh-nav-list{flex-direction:column;gap:4px}
    .xh-nav-list a{display:block;padding:12px 16px}
    .xh-mobile-toggle{display:block}
    .xh-hero-title{font-size:1.8rem}
    .xh-hero{min-height:420px}
    .xh-hero-stats{gap:20px}
    .xh-stat-item strong{font-size:1.4rem}
    .xh-video-grid{grid-template-columns:repeat(2,1fr);gap:16px}
    .xh-services-grid{grid-template-columns:repeat(2,1fr)}
    .xh-ai-features{grid-template-columns:1fr}
    .xh-ent-grid{grid-template-columns:1fr}
    .xh-ent-large{grid-row:span 1;min-height:240px}
    .xh-community-grid{grid-template-columns:repeat(2,1fr)}
    .xh-experts-grid{grid-template-columns:1fr}
    .xh-reviews-grid{grid-template-columns:1fr}
    .xh-contact-grid{grid-template-columns:1fr}
    .xh-contact-qrcodes{flex-direction:column;align-items:center}
    .xh-section{padding:40px 0}
    .xh-section-title{font-size:1.5rem}
    .xh-footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
    .xh-video-grid{grid-template-columns:1fr}
    .xh-services-grid{grid-template-columns:1fr}
    .xh-howto-steps{grid-template-columns:1fr}
    .xh-hero-title{font-size:1.5rem}
    .xh-hero-actions{flex-direction:column;align-items:center}
    .xh-search-form{flex-direction:column;border-radius:14px}
    .xh-search-input{border-right:2px solid rgba(255,107,157,.3);border-radius:14px 14px 0 0}
    .xh-search-btn{border-radius:0 0 14px 14px}
}