/* ============================================
   国产自拍 - 原创电竞游戏风格CSS
   配色：电竞红#FF4655 深夜蓝#0F1923 金色#FFD700
   ============================================ */

/* === Reset & Base === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Microsoft YaHei','PingFang SC','Helvetica Neue',sans-serif;background:#0F1923;color:#E8E8E8;line-height:1.7;overflow-x:hidden}
a{color:#FF4655;text-decoration:none;transition:color .3s}
a:hover{color:#FFD700}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

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

/* === Header === */
.tx-header{background:linear-gradient(180deg,#0a0e17 0%,#0F1923 100%);position:sticky;top:0;z-index:1000;border-bottom:2px solid #FF4655;padding:0 20px}
.tx-header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:68px}
.tx-logo{display:flex;align-items:center;gap:10px}
.tx-logo img{height:42px;width:auto}
.tx-logo span{font-size:1.3rem;font-weight:700;color:#FF4655;letter-spacing:1px}
.tx-nav{display:flex;gap:6px}
.tx-nav a{color:#c8c8c8;padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.tx-nav a:hover,.tx-nav a.active{color:#fff;background:rgba(255,70,85,.15);border-bottom:2px solid #FF4655}
.tx-mobile-toggle{display:none;background:none;border:none;color:#FF4655;font-size:1.6rem;cursor:pointer}

/* === Search Bar === */
.tx-search-bar{background:#16213E;padding:14px 0;border-bottom:1px solid rgba(255,70,85,.2)}
.tx-search-wrap{max-width:600px;margin:0 auto;display:flex;gap:8px;padding:0 20px}
.tx-search-wrap input{flex:1;padding:10px 18px;border:2px solid #2a3a5c;border-radius:25px;background:#0F1923;color:#E8E8E8;font-size:.95rem;outline:none;transition:border-color .3s}
.tx-search-wrap input:focus{border-color:#FF4655}
.tx-search-wrap button{padding:10px 24px;background:linear-gradient(135deg,#FF4655,#FF8C00);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:.95rem;font-weight:600;transition:transform .2s}
.tx-search-wrap button:hover{transform:scale(1.05)}

/* === Hero Banner === */
.tx-hero{position:relative;min-height:480px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.tx-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.45)}
.tx-hero-content{position:relative;z-index:2;padding:40px 20px}
.tx-hero h1{font-size:2.8rem;font-weight:800;color:#fff;text-shadow:0 0 30px rgba(255,70,85,.5);margin-bottom:12px}
.tx-hero h1 em{font-style:normal;color:#FF4655}
.tx-hero .tx-subtitle{font-size:1.2rem;color:#ccc;margin-bottom:24px;max-width:700px;margin-left:auto;margin-right:auto}
.tx-hero .tx-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tx-hero .tx-tags span{background:rgba(255,70,85,.2);border:1px solid rgba(255,70,85,.4);color:#FF4655;padding:6px 16px;border-radius:20px;font-size:.85rem}

/* === Section Common === */
.tx-section{padding:60px 0}
.tx-section-title{text-align:center;margin-bottom:40px}
.tx-section-title h2{font-size:1.9rem;font-weight:700;color:#fff;position:relative;display:inline-block;padding-bottom:12px}
.tx-section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#FF4655,#FFD700);border-radius:2px}
.tx-section-title p{color:#999;margin-top:10px;font-size:.95rem}
.tx-section:nth-child(even){background:#16213E}

/* === Video Cards Grid === */
.tx-video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-video-card{background:#16213E;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer;border:1px solid rgba(255,70,85,.1)}
.tx-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(255,70,85,.2)}
.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;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:64px;height:64px;background:rgba(255,70,85,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;z-index:3}
.tx-play-btn::after{content:'';border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.tx-video-card:hover .tx-play-btn{transform:translate(-50%,-50%) scale(1)}
.tx-video-stats{position:absolute;bottom:8px;left:8px;display:flex;gap:10px;z-index:3}
.tx-video-stats span{background:rgba(0,0,0,.7);color:#ddd;padding:2px 8px;border-radius:4px;font-size:.75rem}
.tx-video-info{padding:14px 16px}
.tx-video-info h3{font-size:1rem;font-weight:600;color:#fff;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-video-info p{font-size:.82rem;color:#888;display:flex;justify-content:space-between}
.tx-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;z-index:3}

/* === Feature Cards === */
.tx-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-feature-card{background:linear-gradient(145deg,#16213E,#1a2744);border-radius:12px;padding:30px 24px;text-align:center;border:1px solid rgba(255,70,85,.1);transition:all .3s}
.tx-feature-card:hover{border-color:#FF4655;transform:translateY(-4px)}
.tx-feature-icon{width:60px;height:60px;margin:0 auto 16px;background:linear-gradient(135deg,#FF4655,#FF8C00);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff}
.tx-feature-card h3{font-size:1.1rem;color:#fff;margin-bottom:8px}
.tx-feature-card p{font-size:.88rem;color:#999;line-height:1.6}

/* === AI Section === */
.tx-ai-section{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tx-ai-img{border-radius:12px;overflow:hidden;border:2px solid rgba(255,70,85,.2)}
.tx-ai-img img{width:100%;transition:transform .4s}
.tx-ai-img:hover img{transform:scale(1.03)}
.tx-ai-list{display:flex;flex-direction:column;gap:20px}
.tx-ai-item{display:flex;gap:16px;align-items:flex-start}
.tx-ai-dot{width:40px;height:40px;min-width:40px;background:linear-gradient(135deg,#FF4655,#FFD700);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:.9rem}
.tx-ai-item h4{font-size:1rem;color:#fff;margin-bottom:4px}
.tx-ai-item p{font-size:.85rem;color:#999}

/* === Community Section === */
.tx-community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-community-card{background:#16213E;border-radius:12px;padding:24px 18px;text-align:center;border:1px solid rgba(255,70,85,.08);transition:all .3s}
.tx-community-card:hover{border-color:#FFD700;background:#1a2744}
.tx-community-card .tx-emoji{font-size:2.4rem;margin-bottom:12px;display:block}
.tx-community-card h4{font-size:1rem;color:#fff;margin-bottom:6px}
.tx-community-card p{font-size:.82rem;color:#888}

/* === Expert Section === */
.tx-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-expert-card{background:#16213E;border-radius:12px;overflow:hidden;text-align:center;border:1px solid rgba(255,70,85,.1);transition:all .3s}
.tx-expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(255,70,85,.15)}
.tx-expert-card img{width:100%;aspect-ratio:1;object-fit:cover}
.tx-expert-info{padding:16px}
.tx-expert-info h4{font-size:1rem;color:#fff;margin-bottom:4px}
.tx-expert-info .tx-role{font-size:.82rem;color:#FF4655;margin-bottom:8px}
.tx-expert-info p{font-size:.8rem;color:#888;margin-bottom:10px}
.tx-expert-btns{display:flex;gap:8px;justify-content:center}
.tx-expert-btns a{padding:6px 14px;border-radius:6px;font-size:.78rem;border:1px solid #FF4655;color:#FF4655;transition:all .2s}
.tx-expert-btns a:hover{background:#FF4655;color:#fff}

/* === Brand Wall === */
.tx-brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
.tx-brand-item{background:#16213E;padding:16px 28px;border-radius:10px;font-size:1rem;color:#888;font-weight:600;border:1px solid rgba(255,70,85,.1);transition:all .3s}
.tx-brand-item:hover{color:#FFD700;border-color:#FFD700}

/* === HowTo Section === */
.tx-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.tx-howto-step{background:#16213E;border-radius:12px;padding:28px 20px;text-align:center;position:relative;border:1px solid rgba(255,70,85,.1)}
.tx-howto-step::before{counter-increment:step;content:counter(step);width:40px;height:40px;background:linear-gradient(135deg,#FF4655,#FF8C00);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem;margin:0 auto 14px}
.tx-howto-step h4{font-size:1rem;color:#fff;margin-bottom:8px}
.tx-howto-step p{font-size:.85rem;color:#888}

/* === FAQ Section === */
.tx-faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.tx-faq-item{background:#16213E;border-radius:10px;overflow:hidden;border:1px solid rgba(255,70,85,.1)}
.tx-faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#fff;transition:background .3s}
.tx-faq-q:hover{background:rgba(255,70,85,.08)}
.tx-faq-q::after{content:'+';font-size:1.4rem;color:#FF4655;transition:transform .3s}
.tx-faq-item.active .tx-faq-q::after{transform:rotate(45deg)}
.tx-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 20px}
.tx-faq-item.active .tx-faq-a{max-height:300px;padding:0 20px 16px}
.tx-faq-a p{font-size:.9rem;color:#999;line-height:1.7}

/* === Reviews Section === */
.tx-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-review-card{background:#16213E;border-radius:12px;padding:24px;border:1px solid rgba(255,70,85,.1)}
.tx-review-stars{color:#FFD700;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.tx-review-card blockquote{font-size:.9rem;color:#ccc;line-height:1.7;margin-bottom:14px;font-style:italic}
.tx-review-author{display:flex;align-items:center;gap:10px}
.tx-review-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#FF4655,#FFD700);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}
.tx-review-name{font-size:.85rem;color:#fff}
.tx-review-date{font-size:.75rem;color:#666}

/* === Contact Section === */
.tx-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.tx-contact-info h3{font-size:1.2rem;color:#fff;margin-bottom:16px}
.tx-contact-row{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.tx-contact-row .tx-label{min-width:80px;color:#FF4655;font-weight:600;font-size:.9rem}
.tx-contact-row .tx-value{color:#ccc;font-size:.9rem}
.tx-qr-wrap{display:flex;gap:24px;justify-content:center}
.tx-qr-item{text-align:center}
.tx-qr-item img{width:140px;height:140px;border-radius:10px;border:2px solid rgba(255,70,85,.2);margin-bottom:8px}
.tx-qr-item span{font-size:.82rem;color:#888}

/* === Social Share === */
.tx-share-wrap{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.tx-share-btn{padding:10px 22px;border-radius:8px;color:#fff;font-size:.9rem;cursor:pointer;border:none;transition:transform .2s}
.tx-share-btn:hover{transform:scale(1.06)}
.tx-share-wechat{background:#07C160}
.tx-share-weibo{background:#E6162D}
.tx-share-douyin{background:#161823}
.tx-share-bilibili{background:#00A1D6}

/* === Footer === */
.tx-footer{background:#0a0e17;border-top:2px solid #FF4655;padding:40px 0 20px}
.tx-footer-inner{display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.tx-footer h4{font-size:1rem;color:#FF4655;margin-bottom:14px}
.tx-footer p,.tx-footer a{font-size:.85rem;color:#888;line-height:1.8}
.tx-footer a:hover{color:#FFD700}
.tx-footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.tx-footer-logo img{height:32px}
.tx-footer-logo span{color:#FF4655;font-weight:700;font-size:1.1rem}
.tx-footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,70,85,.15)}
.tx-footer-bottom p{font-size:.82rem;color:#666}

/* === MCP Widget === */
.tx-mcp-widget{background:#16213E;border-radius:10px;padding:20px;margin-top:20px;border:1px solid rgba(255,70,85,.1);text-align:center}
.tx-mcp-widget h4{color:#FFD700;margin-bottom:8px;font-size:.95rem}
.tx-mcp-widget p{font-size:.82rem;color:#888}

/* === Breadcrumb === */
.tx-breadcrumb{padding:14px 0;font-size:.85rem;color:#888}
.tx-breadcrumb a{color:#FF4655}
.tx-breadcrumb span{margin:0 6px;color:#555}

/* === Danmaku === */
.tx-danmaku-area{position:relative;height:40px;overflow:hidden;background:rgba(22,33,62,.5);margin-bottom:0}
.tx-danmaku-item{position:absolute;white-space:nowrap;color:#ccc;font-size:.82rem;animation:danmakuScroll 12s linear infinite;top:10px}
@keyframes danmakuScroll{from{transform:translateX(100vw)}to{transform:translateX(-100%)}}

/* === Responsive === */
@media(max-width:1024px){
  .tx-video-grid,.tx-feature-grid{grid-template-columns:repeat(2,1fr)}
  .tx-expert-grid,.tx-community-grid,.tx-howto-steps{grid-template-columns:repeat(2,1fr)}
  .tx-review-grid{grid-template-columns:repeat(2,1fr)}
  .tx-ai-section{grid-template-columns:1fr}
  .tx-footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .tx-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#0F1923;flex-direction:column;padding:16px;border-bottom:2px solid #FF4655}
  .tx-nav.open{display:flex}
  .tx-mobile-toggle{display:block}
  .tx-hero h1{font-size:1.8rem}
  .tx-hero .tx-subtitle{font-size:1rem}
  .tx-video-grid,.tx-feature-grid,.tx-expert-grid,.tx-community-grid,.tx-howto-steps,.tx-review-grid{grid-template-columns:1fr}
  .tx-contact-grid{grid-template-columns:1fr}
  .tx-footer-inner{grid-template-columns:1fr}
  .tx-header-inner{position:relative}
  .tx-section{padding:40px 0}
  .tx-section-title h2{font-size:1.5rem}
}
@media(max-width:480px){
  .tx-hero{min-height:360px}
  .tx-hero h1{font-size:1.5rem}
  .tx-qr-wrap{flex-direction:column;align-items:center}
}

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