/* ============================================
   色虎 原创样式表
   品牌色系：深红 #C62828 / 金色 #FFB300 / 深蓝 #1A237E
   辅助色：#0D1B2A / #1B2838 / #2A3F54 / #F5F5F5
   ============================================ */

/* 基础重置 */
*,*::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:#e0e0e0;background:#0D1B2A;line-height:1.7;overflow-x:hidden}
a{color:#FFB300;text-decoration:none;transition:color .25s}
a:hover{color:#FFC940}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{color:#fff;line-height:1.3;font-weight:700}

/* 容器 */
.tx-container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.tx-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,27,42,0.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,179,0,0.15);transition:all .3s}
.tx-header.tx-scrolled{background:rgba(13,27,42,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.4)}
.tx-nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.tx-logo img{height:42px;width:auto}
.tx-nav-list{display:flex;gap:6px}
.tx-nav-list li a{display:block;padding:8px 16px;color:#ccc;font-size:15px;border-radius:6px;transition:all .25s;font-weight:500}
.tx-nav-list li a:hover,.tx-nav-list li a.tx-nav-active{color:#FFB300;background:rgba(255,179,0,0.1)}

/* 搜索框 */
.tx-search-box{position:relative;width:220px}
.tx-search-box input{width:100%;padding:8px 38px 8px 14px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,179,0,0.2);border-radius:20px;color:#fff;font-size:14px;outline:none;transition:all .3s}
.tx-search-box input:focus{border-color:#FFB300;background:rgba(255,255,255,0.12)}
.tx-search-box input::placeholder{color:#888}
#txSearchBtn{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:none;border:none;color:#FFB300;cursor:pointer;padding:6px;border-radius:50%}
#txSearchBtn:hover{background:rgba(255,179,0,0.15)}

/* 移动端菜单按钮 */
.tx-mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.tx-mobile-toggle span{display:block;width:24px;height:2px;background:#FFB300;border-radius:2px;transition:all .3s}

/* Banner */
.tx-banner{position:relative;height:600px;margin-top:68px;overflow:hidden}
.tx-banner-bg{position:absolute;inset:0}
.tx-banner-bg img{width:100%;height:100%;object-fit:cover}
.tx-banner-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,27,42,0.85) 0%,rgba(198,40,40,0.4) 50%,rgba(13,27,42,0.9) 100%)}
.tx-banner-content{position:relative;z-index:2;display:flex;align-items:center;height:100%}
.tx-banner-title{font-size:42px;margin-bottom:16px;text-shadow:0 2px 10px rgba(0,0,0,0.5);background:linear-gradient(135deg,#fff 0%,#FFB300 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tx-banner-desc{font-size:17px;color:#ccc;max-width:680px;margin-bottom:28px;line-height:1.8}
.tx-banner-btns{display:flex;gap:16px;margin-bottom:36px}
.tx-btn{display:inline-block;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;transition:all .3s;cursor:pointer;text-align:center}
.tx-btn-primary{background:linear-gradient(135deg,#C62828,#E53935);color:#fff;box-shadow:0 4px 15px rgba(198,40,40,0.4)}
.tx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(198,40,40,0.6);color:#fff}
.tx-btn-outline{background:transparent;color:#FFB300;border:2px solid #FFB300}
.tx-btn-outline:hover{background:#FFB300;color:#0D1B2A}
.tx-btn-secondary{background:rgba(255,179,0,0.15);color:#FFB300;border:1px solid rgba(255,179,0,0.3)}
.tx-btn-secondary:hover{background:#FFB300;color:#0D1B2A}
.tx-btn-sm{padding:6px 16px;font-size:13px;border-radius:6px;background:linear-gradient(135deg,#C62828,#E53935);color:#fff}
.tx-btn-sm:hover{color:#fff;opacity:.9}
.tx-btn-outline-sm{background:transparent;color:#FFB300;border:1px solid #FFB300}
.tx-btn-outline-sm:hover{background:#FFB300;color:#0D1B2A}

/* Banner统计 */
.tx-banner-stats{display:flex;gap:40px}
.tx-stat-item{text-align:center}
.tx-stat-item strong{display:block;font-size:28px;color:#FFB300;font-weight:800}
.tx-stat-item span{font-size:13px;color:#aaa}

/* 面包屑 */
.tx-breadcrumb{background:rgba(26,35,126,0.15);padding:10px 0;border-bottom:1px solid rgba(255,179,0,0.08)}
.tx-breadcrumb ol{display:flex;gap:8px;font-size:13px;color:#888}
.tx-breadcrumb a{color:#FFB300}

/* 通用区块 */
.tx-section{padding:60px 0}
.tx-section-header{text-align:center;margin-bottom:40px}
.tx-section-title{font-size:30px;margin-bottom:10px;position:relative;display:inline-block}
.tx-section-title::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#C62828,#FFB300);margin:12px auto 0;border-radius:2px}
.tx-section-subtitle{color:#999;font-size:15px;margin-top:8px}

/* 视频卡片网格 */
.tx-video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-video-card{background:#1B2838;border-radius:12px;overflow:hidden;transition:all .3s;border:1px solid rgba(255,179,0,0.08)}
.tx-video-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(198,40,40,0.2);border-color:rgba(255,179,0,0.2)}
.tx-video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.tx-video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.tx-video-card:hover .tx-video-thumb img{transform:scale(1.05)}
.tx-play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,0.3)}
.tx-video-card:hover .tx-play-overlay{opacity:1}
.tx-play-btn{cursor:pointer;transition:transform .3s}
.tx-play-btn:hover{transform:scale(1.1)}
.tx-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}
.tx-video-tag{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,#C62828,#E53935);color:#fff;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:600}
.tx-video-info{padding:14px 16px}
.tx-video-info h3{font-size:15px;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tx-video-info h3 a{color:#fff}
.tx-video-info h3 a:hover{color:#FFB300}
.tx-video-meta{display:flex;gap:12px;font-size:12px;color:#888}
.tx-more-wrap{text-align:center;margin-top:32px}

/* 服务卡片 */
.tx-service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-service-card{background:#1B2838;border-radius:12px;padding:28px 20px;text-align:center;border:1px solid rgba(255,179,0,0.08);transition:all .3s}
.tx-service-card:hover{border-color:rgba(255,179,0,0.25);transform:translateY(-3px)}
.tx-service-icon{width:64px;height:64px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;background:rgba(198,40,40,0.15);border-radius:16px;color:#FFB300}
.tx-service-card h3{font-size:17px;margin-bottom:10px;color:#FFB300}
.tx-service-card p{font-size:14px;color:#aaa;line-height:1.7}

/* 娱乐专区 */
.tx-entertain-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:16px}
.tx-entertain-card{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/9}
.tx-entertain-large{grid-row:span 2;aspect-ratio:auto}
.tx-entertain-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.tx-entertain-card:hover img{transform:scale(1.05)}
.tx-entertain-overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,0.85))}
.tx-entertain-tag{display:inline-block;background:linear-gradient(135deg,#C62828,#E53935);color:#fff;padding:3px 10px;border-radius:4px;font-size:12px;margin-bottom:8px}
.tx-entertain-overlay h4{color:#fff;font-size:16px;margin-bottom:4px}
.tx-entertain-overlay p{color:#ccc;font-size:13px}

/* AI赋能 */
.tx-ai-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tx-ai-image{border-radius:12px;overflow:hidden}
.tx-ai-image img{width:100%;border-radius:12px}
.tx-ai-features{display:flex;flex-direction:column;gap:24px}
.tx-ai-item{background:#1B2838;padding:20px 24px;border-radius:10px;border-left:3px solid #FFB300}
.tx-ai-item h4{color:#FFB300;font-size:16px;margin-bottom:8px}
.tx-ai-item p{color:#aaa;font-size:14px;line-height:1.7}

/* 社区频道 */
.tx-community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-community-card{background:#1B2838;border-radius:12px;padding:24px;text-align:center;border:1px solid rgba(255,179,0,0.08);transition:all .3s}
.tx-community-card:hover{border-color:rgba(255,179,0,0.25);transform:translateY(-3px)}
.tx-community-icon{font-size:40px;margin-bottom:12px}
.tx-community-card h4{font-size:16px;color:#FFB300;margin-bottom:8px}
.tx-community-card p{font-size:13px;color:#aaa;line-height:1.7;margin-bottom:10px}
.tx-community-count{font-size:12px;color:#888;background:rgba(255,179,0,0.1);padding:3px 10px;border-radius:12px}

/* 专家团队 */
.tx-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-expert-card{background:#1B2838;border-radius:12px;padding:24px;text-align:center;border:1px solid rgba(255,179,0,0.08);transition:all .3s}
.tx-expert-card:hover{border-color:rgba(255,179,0,0.25);transform:translateY(-3px)}
.tx-expert-avatar{width:100px;height:100px;margin:0 auto 14px;border-radius:50%;overflow:hidden;border:3px solid #FFB300}
.tx-expert-avatar img{width:100%;height:100%;object-fit:cover}
.tx-expert-card h4{font-size:17px;margin-bottom:4px}
.tx-expert-title{display:block;font-size:13px;color:#FFB300;margin-bottom:10px}
.tx-expert-card p{font-size:13px;color:#aaa;line-height:1.6;margin-bottom:12px}
.tx-expert-tags{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
.tx-expert-tags span{font-size:11px;background:rgba(198,40,40,0.2);color:#E53935;padding:2px 8px;border-radius:4px}
.tx-expert-actions{display:flex;gap:8px;justify-content:center}

/* 合作伙伴 */
.tx-partner-logos{display:flex;justify-content:center;gap:30px;flex-wrap:wrap}
.tx-partner-item{background:#1B2838;border:1px solid rgba(255,179,0,0.1);border-radius:10px;padding:20px 36px;display:flex;align-items:center;justify-content:center;transition:all .3s}
.tx-partner-item:hover{border-color:#FFB300;transform:translateY(-2px)}
.tx-partner-item span{font-size:16px;color:#888;font-weight:600}

/* How-To步骤 */
.tx-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-howto-step{background:#1B2838;border-radius:12px;padding:28px 20px;text-align:center;border:1px solid rgba(255,179,0,0.08);position:relative}
.tx-step-num{font-size:36px;font-weight:900;color:rgba(255,179,0,0.15);margin-bottom:10px}
.tx-howto-step h4{font-size:16px;color:#FFB300;margin-bottom:8px}
.tx-howto-step p{font-size:13px;color:#aaa;line-height:1.7}

/* 用户评价 */
.tx-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-review-card{background:#1B2838;border-radius:12px;padding:24px;border:1px solid rgba(255,179,0,0.08)}
.tx-review-stars{color:#FFB300;font-size:18px;margin-bottom:12px}
.tx-review-text{font-size:14px;color:#ccc;line-height:1.7;margin-bottom:14px;font-style:italic}
.tx-review-author strong{display:block;color:#FFB300;font-size:14px}
.tx-review-author span{font-size:12px;color:#888}

/* FAQ */
.tx-faq-list{max-width:800px;margin:0 auto}
.tx-faq-item{background:#1B2838;border-radius:10px;margin-bottom:10px;overflow:hidden;border:1px solid rgba(255,179,0,0.08)}
.tx-faq-question{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;cursor:pointer;transition:background .3s}
.tx-faq-question:hover{background:rgba(255,179,0,0.05)}
.tx-faq-question h4{font-size:15px;color:#fff;font-weight:600}
.tx-faq-toggle{font-size:22px;color:#FFB300;transition:transform .3s;font-weight:300}
.tx-faq-item.tx-faq-open .tx-faq-toggle{transform:rotate(45deg)}
.tx-faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.tx-faq-item.tx-faq-open .tx-faq-answer{max-height:300px}
.tx-faq-answer p{padding:0 20px 16px;font-size:14px;color:#aaa;line-height:1.8}

/* 联系我们 */
.tx-contact-wrap{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:start}
.tx-contact-info h4{font-size:20px;color:#FFB300;margin-bottom:16px}
.tx-contact-list{margin-bottom:20px}
.tx-contact-list li{padding:6px 0;font-size:14px;color:#ccc;border-bottom:1px solid rgba(255,255,255,0.05)}
.tx-contact-list li strong{color:#FFB300;margin-right:8px}
.tx-contact-channels h5{color:#fff;font-size:15px;margin-bottom:10px}
.tx-channel-btns{display:flex;gap:10px;flex-wrap:wrap}
.tx-channel-btn{display:inline-block;padding:8px 16px;background:rgba(255,179,0,0.1);border:1px solid rgba(255,179,0,0.2);border-radius:6px;color:#FFB300;font-size:13px;transition:all .3s}
.tx-channel-btn:hover{background:#FFB300;color:#0D1B2A}
.tx-contact-qrcodes{display:flex;gap:24px}
.tx-qrcode-item{text-align:center}
.tx-qrcode-item img{width:160px;height:160px;border-radius:10px;border:2px solid rgba(255,179,0,0.2);margin-bottom:8px}
.tx-qrcode-item span{font-size:13px;color:#aaa}

/* 分享 */
.tx-share-section{background:rgba(26,35,126,0.15);border-top:1px solid rgba(255,179,0,0.08);border-bottom:1px solid rgba(255,179,0,0.08)}
.tx-share-wrap{text-align:center;padding:20px 0}
.tx-share-wrap h3{font-size:20px;margin-bottom:16px;color:#fff}
.tx-share-btns{display:flex;justify-content:center;gap:14px}
.tx-share-btn{display:inline-block;padding:10px 24px;border-radius:8px;font-size:14px;font-weight:600;transition:all .3s}
.tx-share-wechat{background:#07C160;color:#fff}
.tx-share-weibo{background:#E6162D;color:#fff}
.tx-share-douyin{background:#111;color:#fff;border:1px solid #333}
.tx-share-bilibili{background:#00A1D6;color:#fff}
.tx-share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}

/* 页脚 */
.tx-footer{background:#0A1628;border-top:1px solid rgba(255,179,0,0.1);padding:40px 0 0}
.tx-footer-top{display:grid;grid-template-columns:1fr 2fr;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,0.05)}
.tx-footer-brand img{margin-bottom:12px}
.tx-footer-brand p{font-size:13px;color:#888;line-height:1.7;max-width:320px}
.tx-footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-footer-col h5{color:#FFB300;font-size:15px;margin-bottom:12px}
.tx-footer-col li{padding:3px 0}
.tx-footer-col li a,.tx-footer-col li{font-size:13px;color:#888}
.tx-footer-col li a:hover{color:#FFB300}
.tx-footer-bottom{text-align:center;padding:18px 0;font-size:13px;color:#666}
.tx-footer-bottom a{color:#FFB300}

/* 懒加载占位 */
.tx-lazy{opacity:0;transition:opacity .5s}
.tx-lazy.tx-loaded{opacity:1}

/* 搜索弹窗 */
.tx-search-modal{display:none;position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,0.7);backdrop-filter:blur(8px);align-items:flex-start;justify-content:center;padding-top:120px}
.tx-search-modal.tx-show{display:flex}
.tx-search-modal-content{background:#1B2838;border-radius:12px;padding:30px;width:90%;max-width:560px;border:1px solid rgba(255,179,0,0.2)}
.tx-search-modal-content h3{color:#FFB300;margin-bottom:16px;font-size:18px}
.tx-search-modal-content p{color:#aaa;font-size:14px}

/* 响应式 */
@media(max-width:1024px){
  .tx-video-grid{grid-template-columns:repeat(2,1fr)}
  .tx-service-grid{grid-template-columns:repeat(2,1fr)}
  .tx-expert-grid{grid-template-columns:repeat(2,1fr)}
  .tx-howto-steps{grid-template-columns:repeat(2,1fr)}
  .tx-community-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .tx-nav{display:none}
  .tx-nav.tx-nav-open{display:block;position:absolute;top:68px;left:0;right:0;background:#0D1B2A;border-bottom:1px solid rgba(255,179,0,0.15);padding:16px}
  .tx-nav-list{flex-direction:column;gap:4px}
  .tx-mobile-toggle{display:flex}
  .tx-search-box{width:160px}
  .tx-banner{height:auto;min-height:500px;padding:40px 0}
  .tx-banner-title{font-size:26px}
  .tx-banner-desc{font-size:15px}
  .tx-banner-stats{flex-wrap:wrap;gap:20px}
  .tx-stat-item strong{font-size:22px}
  .tx-video-grid{grid-template-columns:1fr}
  .tx-service-grid{grid-template-columns:1fr}
  .tx-entertain-grid{grid-template-columns:1fr}
  .tx-entertain-large{grid-row:span 1}
  .tx-ai-wrap{grid-template-columns:1fr}
  .tx-community-grid{grid-template-columns:1fr}
  .tx-expert-grid{grid-template-columns:1fr}
  .tx-howto-steps{grid-template-columns:1fr}
  .tx-review-grid{grid-template-columns:1fr}
  .tx-contact-wrap{grid-template-columns:1fr}
  .tx-contact-qrcodes{justify-content:center}
  .tx-footer-top{grid-template-columns:1fr}
  .tx-footer-links{grid-template-columns:1fr}
  .tx-share-btns{flex-wrap:wrap}
  .tx-section-title{font-size:24px}
  .tx-partner-logos{gap:12px}
  .tx-partner-item{padding:14px 20px}
}
@media(max-width:480px){
  .tx-banner-title{font-size:22px}
  .tx-banner-btns{flex-direction:column;gap:10px}
  .tx-search-box{width:120px}
}