/* 爆料吃瓜网 - 原创样式表 */
:root{--red:#E63946;--navy:#1D3557;--amber:#F4A261;--bg-dark:#0A0E1A;--bg-card:#121829;--white:#F1FAEE;--gray:rgba(241,250,238,0.6);--border:rgba(241,250,238,0.08);--radius:12px;--shadow:0 4px 24px rgba(0,0,0,0.3)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;background:var(--bg-dark);color:var(--white);line-height:1.7;overflow-x:hidden}
a{color:var(--red);text-decoration:none;transition:color .2s}
a:hover{color:var(--amber)}
img{max-width:100%;height:auto;display:block}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
/* 干扰标签隐藏 */
.seo-mix{display:none!important;visibility:hidden;height:0;overflow:hidden}
/* 顶部公告 */
.announce-bar{background:linear-gradient(90deg,var(--red),var(--navy));padding:8px 16px;text-align:center;font-size:13px;color:#fff}
.announce-bar a{color:var(--amber);margin:0 6px}
/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(10,14,26,0.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 24px}
.header-inner{max-width:1320px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}
.site-logo{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:700;font-size:20px}
.site-logo img{width:40px;height:40px;border-radius:8px}
.brand-sub{display:block;font-size:11px;color:var(--gray);font-weight:400;letter-spacing:1px}
.main-nav{display:flex;gap:28px}
.main-nav a{color:var(--gray);font-size:14px;font-weight:500;padding:4px 0;border-bottom:2px solid transparent;transition:all .2s}
.main-nav a:hover,.main-nav a.active{color:var(--white);border-bottom-color:var(--red)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-join{background:var(--red);color:#fff;border:none;padding:8px 18px;border-radius:20px;font-size:13px;cursor:pointer;font-weight:600;transition:transform .2s}
.btn-join:hover{transform:scale(1.05)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.hamburger span{width:22px;height:2px;background:var(--white);border-radius:2px;transition:.3s}
/* Search */
.search-wrap{background:var(--bg-card);border-bottom:1px solid var(--border);padding:12px 24px}
.search-inner{max-width:1320px;margin:0 auto}
.search-inner form{display:flex;gap:8px}
.search-inner input{flex:1;background:rgba(255,255,255,0.05);border:1px solid var(--border);border-radius:8px;padding:10px 16px;color:var(--white);font-size:14px;outline:none}
.search-inner input:focus{border-color:var(--red)}
.search-inner button{background:var(--red);color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:600}
.search-hot{margin-top:8px;font-size:12px;color:var(--gray)}
.search-hot a{margin:0 8px;color:var(--amber)}
/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(0.4)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,26,0.3) 0%,rgba(10,14,26,0.85) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:40px 24px}
.hero-badge{display:inline-block;background:rgba(230,57,70,0.15);border:1px solid rgba(230,57,70,0.3);color:var(--red);padding:6px 16px;border-radius:20px;font-size:13px;margin-bottom:20px}
.hero h1{font-size:clamp(28px,5vw,52px);font-weight:900;line-height:1.2;margin-bottom:16px}
.hero h1 .hl{color:var(--red)}
.hero-desc{font-size:16px;color:var(--gray);margin-bottom:28px;line-height:1.8}
.hero-stats{display:flex;justify-content:center;gap:32px;margin-bottom:28px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat .num{display:block;font-size:28px;font-weight:900;color:var(--amber)}
.hero-stat .label{font-size:12px;color:var(--gray)}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:var(--red);color:#fff;padding:12px 28px;border-radius:8px;font-weight:700;font-size:15px;transition:transform .2s}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-outline{border:2px solid var(--white);color:var(--white);padding:12px 28px;border-radius:8px;font-weight:700;font-size:15px;transition:all .2s}
.btn-outline:hover{background:var(--white);color:var(--bg-dark)}
/* Trust Bar */
.trust-bar{background:var(--bg-card);border-bottom:1px solid var(--border);padding:14px 24px;overflow:hidden}
.trust-bar-inner{max-width:1320px;margin:0 auto;display:flex;gap:32px;align-items:center;justify-content:center;flex-wrap:wrap;font-size:13px;color:var(--gray)}
.trust-item{display:flex;align-items:center;gap:6px;white-space:nowrap}
/* Sections */
.section{padding:64px 24px}
.section-inner{max-width:1320px;margin:0 auto}
.section-header{text-align:center;margin-bottom:40px}
.section-tag{display:inline-block;background:rgba(230,57,70,0.1);color:var(--red);padding:4px 14px;border-radius:16px;font-size:12px;font-weight:600;margin-bottom:12px}
.section-header h2{font-size:clamp(22px,3.5vw,36px);font-weight:800;margin-bottom:12px}
.section-header h2 .hl{color:var(--red)}
.section-header p{color:var(--gray);font-size:15px;max-width:640px;margin:0 auto}
/* Module Grid */
.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.module-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:transform .2s,border-color .2s;display:block;color:var(--white)}
.module-card:hover{transform:translateY(-4px);border-color:var(--red);color:var(--white)}
.module-icon{font-size:32px;margin-bottom:12px}
.module-card h3{font-size:17px;margin-bottom:8px;font-weight:700}
.module-card p{font-size:13px;color:var(--gray);line-height:1.6}
/* Video Grid */
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.video-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s;cursor:pointer}
.video-card:hover{transform:translateY(-4px)}
.video-card:hover .play-btn{opacity:1}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.4);opacity:0;transition:opacity .3s}
.play-btn-icon{width:56px;height:56px;background:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center}
.play-btn-icon svg{width:24px;height:24px;fill:#fff;margin-left:3px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-category{position:absolute;top:8px;left:8px;background:var(--red);color:#fff;padding:2px 10px;border-radius:4px;font-size:11px;font-weight:600}
.video-info{padding:16px}
.video-title{font-size:15px;font-weight:700;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:12px;color:var(--gray)}
/* AI Section */
.ai-section{background:linear-gradient(135deg,var(--bg-dark),#0F1B2D)}
.ai-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.ai-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;position:relative;overflow:hidden}
.ai-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--red)}
.ai-num{font-size:48px;font-weight:900;color:rgba(230,57,70,0.15);position:absolute;top:12px;right:16px}
.ai-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.ai-card p{font-size:14px;color:var(--gray);line-height:1.7}
.ai-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.ai-tag{background:rgba(244,162,97,0.1);color:var(--amber);padding:3px 10px;border-radius:12px;font-size:11px}
/* Experts */
.experts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.expert-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s}
.expert-card:hover{transform:translateY(-4px)}
.expert-photo{height:200px;overflow:hidden;position:relative}
.expert-photo img{width:100%;height:100%;object-fit:cover}
.expert-badge{position:absolute;bottom:8px;left:8px;background:var(--red);color:#fff;padding:3px 10px;border-radius:4px;font-size:11px;font-weight:600}
.expert-body{padding:20px}
.expert-body h3{font-size:17px;font-weight:700;margin-bottom:4px}
.expert-body .role{font-size:13px;color:var(--amber);margin-bottom:10px}
.expert-body p{font-size:13px;color:var(--gray);line-height:1.6;margin-bottom:12px}
.expert-awards{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.expert-award{font-size:11px;background:rgba(230,57,70,0.1);color:var(--red);padding:3px 8px;border-radius:4px}
.expert-btns{display:flex;gap:8px}
.btn-sm{padding:6px 14px;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;border:none}
.btn-sm-primary{background:var(--red);color:#fff}
.btn-sm-outline{background:transparent;border:1px solid var(--border);color:var(--white)}
/* Partners */
.partners-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.partner-item{background:var(--bg-card);border:1px solid var(--border);padding:12px 24px;border-radius:8px;font-size:14px;font-weight:700;color:var(--gray);transition:border-color .2s}
.partner-item:hover{border-color:var(--red);color:var(--white)}
/* Join Steps */
.join-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:48px}
.join-step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}
.step-num{width:40px;height:40px;background:var(--red);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;margin:0 auto 12px}
.join-step h4{font-size:15px;margin-bottom:8px}
.join-step p{font-size:13px;color:var(--gray)}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-question{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:15px}
.faq-icon{font-size:20px;color:var(--red);transition:transform .3s}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer-inner{padding:0 20px 16px;font-size:14px;color:var(--gray);line-height:1.7}
/* Reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.review-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--red),var(--navy));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:#fff;flex-shrink:0}
.review-user .name{font-weight:700;font-size:14px}
.review-user .info{font-size:12px;color:var(--gray)}
.review-stars{margin-left:auto;color:#FFB800;font-size:14px}
.review-text{font-size:14px;color:var(--gray);line-height:1.7;margin-bottom:12px}
.review-footer{display:flex;gap:12px;font-size:12px;color:var(--gray);align-items:center}
.review-tag{background:rgba(230,57,70,0.1);color:var(--red);padding:2px 8px;border-radius:4px;font-size:11px}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.contact-info h3{font-size:18px;margin-bottom:16px;font-weight:700}
.contact-item{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.contact-icon{font-size:20px;flex-shrink:0}
.contact-item .label{font-size:12px;color:var(--gray)}
.contact-item .value{font-size:14px}
.community-entries{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.entry-btn{display:flex;align-items:center;gap:6px;background:var(--bg-card);border:1px solid var(--border);padding:8px 14px;border-radius:8px;font-size:13px;color:var(--white);transition:border-color .2s}
.entry-btn:hover{border-color:var(--red);color:var(--white)}
.contact-qrcodes{display:flex;gap:20px;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{border-radius:8px;margin-bottom:6px}
.qr-item p{font-size:12px;color:var(--gray)}
/* Share Bar */
.share-bar{background:var(--bg-card);border-top:1px solid var(--border);padding:16px 24px}
.share-bar-inner{max-width:1320px;margin:0 auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.share-label{font-size:13px;color:var(--gray)}
.share-btns{display:flex;gap:10px}
.share-btn{background:rgba(255,255,255,0.05);border:1px solid var(--border);color:var(--white);padding:6px 14px;border-radius:6px;font-size:12px;cursor:pointer;transition:border-color .2s}
.share-btn:hover{border-color:var(--red)}
/* Footer */
.site-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:48px 24px 24px}
.footer-inner{max-width:1320px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand p{font-size:13px;color:var(--gray);line-height:1.7;margin:12px 0}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--white)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:13px;color:var(--gray)}
.footer-col a:hover{color:var(--red)}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:12px;color:var(--gray)}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:12px;color:var(--gray)}
/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.85);z-index:9999;display:none;align-items:center;justify-content:center}
.modal-overlay.active{display:flex}
.modal-box{background:var(--bg-card);border-radius:var(--radius);padding:32px;max-width:640px;width:90%;position:relative}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;color:var(--white);font-size:28px;cursor:pointer}
/* Responsive */
@media(max-width:768px){
.main-nav{display:none}
.hamburger{display:flex}
.main-nav.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--bg-dark);padding:20px;gap:16px;border-bottom:1px solid var(--border)}
.hero{min-height:420px}
.hero h1{font-size:28px}
.hero-stats{gap:16px}
.footer-top{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.video-grid{grid-template-columns:1fr}
}
/* Animations */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}