/* ============================================
   成人小说 原创样式表
   配色方案：珊瑚橙 #FF6B4A + 深海蓝 #1A2B4A + 暖白 #FFF9F5
   ============================================ */

/* === 基础重置 === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2c3e50;background:#FFF9F5;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:#FF6B4A;text-decoration:none;transition:color .3s}
a:hover{color:#e55a3a}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* === 容器 === */
.tx-container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 头部导航 === */
.tx-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(26,43,74,0.95);backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(0,0,0,0.15);transition:all .3s}
.tx-header-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;height:68px;gap:24px}
.tx-logo img{height:40px;width:auto}
.tx-nav{display:flex;gap:6px;flex:1}
.tx-nav-item{padding:8px 16px;color:#e0e8f0;font-size:15px;border-radius:6px;transition:all .3s;font-weight:500}
.tx-nav-item:hover,.tx-nav-item.active{background:rgba(255,107,74,0.15);color:#FF6B4A}
.tx-search{display:flex;align-items:center;background:rgba(255,255,255,0.1);border-radius:24px;padding:4px 4px 4px 16px;border:1px solid rgba(255,255,255,0.15);transition:all .3s}
.tx-search:focus-within{background:rgba(255,255,255,0.18);border-color:rgba(255,107,74,0.5)}
.tx-search input{background:none;border:none;outline:none;color:#fff;font-size:14px;width:160px}
.tx-search input::placeholder{color:rgba(255,255,255,0.5)}
.tx-search button{width:36px;height:36px;border:none;background:#FF6B4A;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;transition:background .3s}
.tx-search button:hover{background:#e55a3a}
.tx-mobile-menu{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.tx-mobile-menu span{width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}

/* === Banner === */
.tx-banner{position:relative;height:600px;display:flex;align-items:center;justify-content:center;margin-top:68px;overflow:hidden}
.tx-banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);animation:bannerZoom 20s ease-in-out infinite alternate}
@keyframes bannerZoom{0%{transform:scale(1.05)}100%{transform:scale(1.15)}}
.tx-banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,43,74,0.85) 0%,rgba(255,107,74,0.3) 100%)}
.tx-banner-content{position:relative;z-index:2;text-align:center;padding:0 20px;max-width:800px}
.tx-banner-title{font-size:42px;font-weight:800;color:#fff;margin-bottom:16px;text-shadow:0 2px 10px rgba(0,0,0,0.3);letter-spacing:1px}
.tx-banner-desc{font-size:18px;color:rgba(255,255,255,0.9);margin-bottom:32px;line-height:1.8}
.tx-banner-btns{display:flex;gap:16px;justify-content:center;margin-bottom:40px;flex-wrap:wrap}
.tx-btn{display:inline-flex;align-items:center;padding:14px 32px;border-radius:8px;font-size:16px;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.tx-btn-primary{background:linear-gradient(135deg,#FF6B4A,#FF8A6B);color:#fff;box-shadow:0 4px 15px rgba(255,107,74,0.4)}
.tx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(255,107,74,0.5);color:#fff}
.tx-btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.7)}
.tx-btn-outline:hover{background:rgba(255,255,255,0.1);color:#fff}
.tx-banner-stats{display:flex;gap:40px;justify-content:center}
.tx-stat{text-align:center}
.tx-stat-num{display:block;font-size:28px;font-weight:800;color:#FF6B4A}
.tx-stat-label{font-size:14px;color:rgba(255,255,255,0.8);margin-top:4px}

/* === 通用Section === */
.tx-section{padding:80px 0}
.tx-section-dark{background:#1A2B4A;color:#e0e8f0}
.tx-section-dark .tx-section-title{color:#fff}
.tx-section-dark .tx-section-subtitle{color:rgba(255,255,255,0.7)}
.tx-section-light{background:#f0f4f8}
.tx-section-gradient{background:linear-gradient(135deg,#FFF9F5 0%,#ffe8e0 100%)}
.tx-section-title{font-size:32px;font-weight:700;text-align:center;margin-bottom:12px;color:#1A2B4A}
.tx-section-subtitle{font-size:16px;text-align:center;color:#6b7c93;margin-bottom:48px}

/* === 视频卡片 === */
.tx-video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}
.tx-video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.06);transition:all .3s;cursor:pointer}
.tx-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,0.12)}
.tx-video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.tx-video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.tx-video-card:hover .tx-video-thumb img{transform:scale(1.08)}
.tx-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,0.2)}
.tx-video-card:hover .tx-play-btn{opacity:1}
.tx-video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500}
.tx-video-tag{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,#FF6B4A,#FF8A6B);color:#fff;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:500}
.tx-video-info{padding:16px}
.tx-video-info h3{font-size:15px;font-weight:600;color:#1A2B4A;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tx-video-meta{display:flex;gap:12px;font-size:12px;color:#8a9bb0}
.tx-more-wrap{text-align:center}

/* === 服务卡片 === */
.tx-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-service-card{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:32px 24px;text-align:center;transition:all .3s}
.tx-service-card:hover{background:rgba(255,107,74,0.1);border-color:rgba(255,107,74,0.3);transform:translateY(-4px)}
.tx-service-icon{font-size:40px;margin-bottom:16px}
.tx-service-card h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:12px}
.tx-service-card p{font-size:14px;color:rgba(255,255,255,0.7);line-height:1.7}

/* === AI工具卡片 === */
.tx-ai-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-ai-card{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,0.05);transition:all .3s;border:1px solid #f0f0f0}
.tx-ai-card:hover{box-shadow:0 8px 30px rgba(255,107,74,0.12);border-color:#FF6B4A;transform:translateY(-4px)}
.tx-ai-icon{font-size:36px;margin-bottom:12px}
.tx-ai-card h4{font-size:16px;font-weight:600;color:#1A2B4A;margin-bottom:8px}
.tx-ai-card p{font-size:13px;color:#6b7c93;line-height:1.6}

/* === 社区功能 === */
.tx-community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-community-card{background:#fff;border-radius:12px;padding:28px 24px;box-shadow:0 4px 15px rgba(0,0,0,0.05);transition:all .3s;border-left:4px solid #FF6B4A}
.tx-community-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,0.1)}
.tx-community-card h4{font-size:16px;font-weight:600;color:#1A2B4A;margin-bottom:8px}
.tx-community-card p{font-size:14px;color:#6b7c93;line-height:1.6}

/* === 专家团队 === */
.tx-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-expert-card{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,0.06);transition:all .3s}
.tx-expert-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(0,0,0,0.1)}
.tx-expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #FF6B4A}
.tx-expert-card h4{font-size:18px;font-weight:700;color:#1A2B4A;margin-bottom:4px}
.tx-expert-title{font-size:14px;color:#FF6B4A;font-weight:500;margin-bottom:10px}
.tx-expert-desc{font-size:13px;color:#6b7c93;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{background:#f0f4f8;color:#4a6080;padding:3px 10px;border-radius:12px;font-size:11px}
.tx-expert-btns{display:flex;gap:8px;justify-content:center}
.tx-btn-sm{padding:6px 14px;font-size:12px;border-radius:6px;background:#FF6B4A;color:#fff;font-weight:500;transition:all .3s}
.tx-btn-sm:hover{background:#e55a3a;color:#fff}
.tx-btn-sm-outline{background:transparent;border:1px solid #FF6B4A;color:#FF6B4A}
.tx-btn-sm-outline:hover{background:#FF6B4A;color:#fff}

/* === 合作品牌 === */
.tx-brand-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tx-brand-item{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);border-radius:8px;padding:20px;text-align:center;font-size:16px;font-weight:500;color:rgba(255,255,255,0.8);transition:all .3s}
.tx-brand-item:hover{background:rgba(255,107,74,0.15);border-color:rgba(255,107,74,0.4);color:#FF6B4A}

/* === HowTo步骤 === */
.tx-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-howto-step{text-align:center;padding:24px 16px}
.tx-step-num{font-size:48px;font-weight:800;color:#FF6B4A;opacity:0.3;margin-bottom:12px}
.tx-howto-step h4{font-size:18px;font-weight:600;color:#1A2B4A;margin-bottom:10px}
.tx-howto-step p{font-size:14px;color:#6b7c93;line-height:1.6}

/* === FAQ === */
.tx-faq-list{max-width:800px;margin:0 auto}
.tx-faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,0.04);border:1px solid #eee;transition:all .3s}
.tx-faq-item:hover{box-shadow:0 4px 20px rgba(0,0,0,0.08)}
.tx-faq-q{padding:18px 24px;font-size:15px;font-weight:600;color:#1A2B4A;cursor:pointer;display:flex;align-items:center;justify-content:space-between}
.tx-faq-q::after{content:'+';font-size:22px;color:#FF6B4A;font-weight:300;transition:transform .3s}
.tx-faq-item.active .tx-faq-q::after{transform:rotate(45deg)}
.tx-faq-a{padding:0 24px 18px;font-size:14px;color:#6b7c93;line-height:1.8;display:none}
.tx-faq-item.active .tx-faq-a{display:block}

/* === 用户评价 === */
.tx-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,0.05);transition:all .3s;border:1px solid #f0f0f0}
.tx-review-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,0.08)}
.tx-review-stars{color:#FFB800;font-size:18px;margin-bottom:12px}
.tx-review-text{font-size:14px;color:#4a5568;line-height:1.7;margin-bottom:14px;font-style:italic}
.tx-reviewer{font-size:12px;color:#8a9bb0}
.tx-reviewer strong{color:#1A2B4A;font-weight:600}

/* === 联系我们 === */
.tx-contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-contact-card{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:28px 24px}
.tx-contact-card h4{font-size:18px;font-weight:600;color:#fff;margin-bottom:16px}
.tx-contact-card p{font-size:14px;color:rgba(255,255,255,0.75);margin-bottom:8px;line-height:1.6}
.tx-contact-card strong{color:rgba(255,255,255,0.9)}

/* === 分享按钮 === */
.tx-share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.tx-share-btn{padding:10px 24px;border-radius:24px;font-size:14px;font-weight:500;color:#fff;transition:all .3s}
.tx-share-btn:hover{transform:translateY(-2px);color:#fff}
.tx-share-wechat{background:#07C160}
.tx-share-weibo{background:#E6162D}
.tx-share-douyin{background:#161823}
.tx-share-bilibili{background:#00A1D6}
.tx-share-qq{background:#12B7F5}

/* === 页脚 === */
.tx-footer{background:#0f1a2e;color:#a0b0c4;padding:60px 0 0}
.tx-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.tx-footer-col p{font-size:14px;line-height:1.7;margin-top:12px}
.tx-footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.tx-footer-col a{display:block;font-size:14px;color:#8a9bb0;padding:4px 0;transition:color .3s}
.tx-footer-col a:hover{color:#FF6B4A}
.tx-footer-logo{margin-bottom:8px}
.tx-qr-wrap{display:flex;gap:16px}
.tx-qr-item{text-align:center}
.tx-qr-item img{width:100px;height:100px;border-radius:8px;margin-bottom:6px}
.tx-qr-item span{font-size:12px;color:#8a9bb0}
.tx-footer-bottom{padding:20px 0;text-align:center;font-size:13px;color:#6b7c93}

/* === 响应式 === */
@media(max-width:1024px){
    .tx-video-grid,.tx-service-grid,.tx-community-grid,.tx-review-grid,.tx-contact-grid{grid-template-columns:repeat(2,1fr)}
    .tx-expert-grid,.tx-ai-grid,.tx-howto-steps,.tx-brand-wall{grid-template-columns:repeat(2,1fr)}
    .tx-footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .tx-nav{display:none}
    .tx-mobile-menu{display:flex}
    .tx-search{display:none}
    .tx-banner{height:500px}
    .tx-banner-title{font-size:28px}
    .tx-banner-desc{font-size:15px}
    .tx-banner-stats{gap:20px}
    .tx-stat-num{font-size:22px}
    .tx-section{padding:50px 0}
    .tx-section-title{font-size:24px}
    .tx-video-grid,.tx-service-grid,.tx-community-grid,.tx-review-grid,.tx-contact-grid,.tx-expert-grid,.tx-ai-grid,.tx-howto-steps,.tx-brand-wall{grid-template-columns:1fr}
    .tx-footer-grid{grid-template-columns:1fr}
    .tx-header-inner{height:56px}
}
@media(max-width:480px){
    .tx-banner{height:420px}
    .tx-banner-title{font-size:22px}
    .tx-banner-btns{flex-direction:column;align-items:center}
    .tx-btn{width:100%;justify-content:center}
}

/* === 移动端导航展开 === */
.tx-nav.active{display:flex;flex-direction:column;position:absolute;top:56px;left:0;right:0;background:rgba(26,43,74,0.98);padding:16px;gap:4px;box-shadow:0 8px 30px rgba(0,0,0,0.3)}
.tx-nav.active .tx-nav-item{padding:12px 16px;font-size:16px}