/* ============================================
   国产自拍 - 原创影视传媒主题样式
   配色：深墨绿 #0a1a14 + 琥珀金 #d4a039 + 胭脂红 #c0392b
   字体：系统中文字体栈
   ============================================ */

/* 基础重置 */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;background:#0a1a14;color:#e8e0d4;line-height:1.75;overflow-x:hidden}
a{color:#d4a039;text-decoration:none;transition:color .25s}
a:hover{color:#f0c060}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#fff}

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

/* ===== 顶部导航 ===== */
.tx-header{background:linear-gradient(180deg,#0d2218 0%,#0a1a14 100%);border-bottom:1px solid rgba(212,160,57,.15);padding:12px 0}
.tx-header .tx-container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.tx-logo{display:flex;align-items:center;gap:10px}
.tx-logo img{height:42px;width:auto}
.tx-logo span{font-size:1.35rem;font-weight:800;background:linear-gradient(135deg,#d4a039,#f0c060);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

.tx-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.tx-nav a{padding:7px 14px;border-radius:6px;font-size:.9rem;color:#c8bfb0;transition:all .25s}
.tx-nav a:hover,.tx-nav a.active{background:rgba(212,160,57,.12);color:#d4a039}

.tx-mobile-toggle{display:none;background:none;border:2px solid #d4a039;color:#d4a039;padding:6px 10px;border-radius:6px;font-size:1.2rem;cursor:pointer}

/* ===== Hero横幅 ===== */
.tx-hero{position:relative;overflow:hidden;min-height:420px;display:flex;align-items:center;justify-content:center}
.tx-hero-bg{position:absolute;inset:0;z-index:0}
.tx-hero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.45)}
.tx-hero-content{position:relative;z-index:2;text-align:center;padding:60px 20px}
.tx-hero h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 3px 20px rgba(0,0,0,.7)}
.tx-hero h1 em{font-style:normal;color:#d4a039}
.tx-hero p{font-size:1.15rem;color:#c8bfb0;max-width:680px;margin:0 auto 28px;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.tx-hero-cta{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,#c0392b,#e74c3c);color:#fff;border-radius:50px;font-size:1.05rem;font-weight:700;box-shadow:0 4px 24px rgba(192,57,43,.45);transition:transform .25s,box-shadow .25s}
.tx-hero-cta:hover{transform:translateY(-3px);box-shadow:0 8px 32px rgba(192,57,43,.6);color:#fff}

/* ===== 面包屑 ===== */
.tx-breadcrumb{padding:14px 0;font-size:.85rem;color:#8a8070}
.tx-breadcrumb a{color:#a09080}
.tx-breadcrumb span{margin:0 6px;color:#5a5040}

/* ===== 区块标题 ===== */
.tx-section{padding:50px 0}
.tx-section:nth-child(even){background:rgba(13,34,24,.6)}
.tx-section-title{text-align:center;margin-bottom:36px}
.tx-section-title h2{font-size:1.85rem;display:inline-block;position:relative;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,#c0392b,#d4a039);border-radius:2px}
.tx-section-title p{color:#a09080;margin-top:10px;font-size:.95rem}

/* ===== 视频卡片网格 ===== */
.tx-video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.tx-video-card{background:#0f2a1e;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(212,160,57,.08)}
.tx-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,0,0,.5)}
.tx-video-thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.tx-video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.tx-video-card:hover .tx-video-thumb img{transform:scale(1.06)}
.tx-video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.35);opacity:0;transition:opacity .3s}
.tx-video-card:hover .tx-video-play{opacity:1}
.tx-video-play i{width:56px;height:56px;background:rgba(192,57,43,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0}
.tx-video-play i::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.tx-video-badge{position:absolute;top:10px;left:10px;background:rgba(192,57,43,.9);color:#fff;padding:3px 10px;border-radius:4px;font-size:.75rem;font-weight:600}
.tx-video-rating{position:absolute;top:10px;right:10px;background:rgba(212,160,57,.9);color:#0a1a14;padding:3px 8px;border-radius:4px;font-size:.75rem;font-weight:700}
.tx-video-duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:3px;font-size:.72rem}
.tx-video-info{padding:14px}
.tx-video-info h3{font-size:1rem;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-video-info p{font-size:.82rem;color:#8a8070;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tx-video-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:.78rem;color:#6a6050}

/* 横向视频卡片 */
.tx-video-grid-h{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}
.tx-video-card-h{display:flex;background:#0f2a1e;border-radius:12px;overflow:hidden;border:1px solid rgba(212,160,57,.08);transition:transform .3s}
.tx-video-card-h:hover{transform:translateY(-4px)}
.tx-video-card-h .tx-video-thumb{width:180px;min-height:120px;aspect-ratio:auto;flex-shrink:0}
.tx-video-card-h .tx-video-info{flex:1;padding:12px 14px;display:flex;flex-direction:column;justify-content:center}

/* ===== 国际合作模块 ===== */
.tx-collab{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.tx-collab-img{border-radius:12px;overflow:hidden}
.tx-collab-img img{width:100%;border-radius:12px}
.tx-collab-text h3{font-size:1.4rem;margin-bottom:14px;color:#d4a039}
.tx-collab-text p{color:#b0a898;margin-bottom:12px;font-size:.95rem}

/* ===== 专家团队 ===== */
.tx-expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.tx-expert-card{background:#0f2a1e;border-radius:12px;padding:24px;text-align:center;border:1px solid rgba(212,160,57,.08)}
.tx-expert-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,#c0392b,#d4a039);margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff}
.tx-expert-card h4{font-size:1.05rem;margin-bottom:4px}
.tx-expert-card .role{color:#d4a039;font-size:.82rem;margin-bottom:8px}
.tx-expert-card p{font-size:.85rem;color:#8a8070}

/* ===== 关于我们 ===== */
.tx-about{background:#0d2218;border-radius:16px;padding:40px;border:1px solid rgba(212,160,57,.1)}
.tx-about h3{font-size:1.4rem;margin-bottom:16px;color:#d4a039}
.tx-about p{color:#b0a898;margin-bottom:14px;font-size:.95rem}

/* ===== 支付方式 ===== */
.tx-payment{text-align:center}
.tx-payment img{max-width:500px;margin:0 auto;border-radius:10px}
.tx-payment-list{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:20px}
.tx-payment-item{background:#0f2a1e;padding:12px 22px;border-radius:8px;border:1px solid rgba(212,160,57,.12);font-size:.9rem;color:#c8bfb0}

/* ===== 授权资质 ===== */
.tx-license{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.tx-license-img img{border-radius:12px;max-width:400px}
.tx-license-text h3{font-size:1.3rem;color:#d4a039;margin-bottom:12px}
.tx-license-text p{color:#b0a898;font-size:.92rem;margin-bottom:10px}
.tx-license-tag{display:inline-block;background:rgba(192,57,43,.15);color:#e74c3c;padding:4px 12px;border-radius:4px;font-size:.82rem;font-weight:600;margin-top:6px}

/* ===== FAQ ===== */
.tx-faq-list{max-width:800px;margin:0 auto}
.tx-faq-item{background:#0f2a1e;border-radius:10px;margin-bottom:12px;border:1px solid rgba(212,160,57,.08);overflow:hidden}
.tx-faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.98rem;transition:background .2s}
.tx-faq-q:hover{background:rgba(212,160,57,.05)}
.tx-faq-q::after{content:"+";font-size:1.3rem;color:#d4a039;transition:transform .3s}
.tx-faq-item.open .tx-faq-q::after{transform:rotate(45deg)}
.tx-faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s}
.tx-faq-a-inner{padding:0 20px 16px;color:#a09080;font-size:.9rem;line-height:1.7}
.tx-faq-item.open .tx-faq-a{max-height:400px}

/* ===== 用户评论 ===== */
.tx-review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.tx-review-card{background:#0f2a1e;border-radius:12px;padding:22px;border:1px solid rgba(212,160,57,.08)}
.tx-review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.tx-review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#2c5e45,#d4a039);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.tx-review-name{font-weight:600;font-size:.95rem}
.tx-review-city{font-size:.78rem;color:#6a6050}
.tx-review-stars{color:#d4a039;font-size:.9rem;letter-spacing:2px;margin-bottom:8px}
.tx-review-text{font-size:.88rem;color:#b0a898;line-height:1.65}
.tx-review-date{font-size:.75rem;color:#5a5040;margin-top:10px}

/* ===== 客户支持 ===== */
.tx-support-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.tx-support-card{background:#0f2a1e;border-radius:10px;padding:22px;text-align:center;border:1px solid rgba(212,160,57,.08)}
.tx-support-icon{font-size:2rem;margin-bottom:10px}
.tx-support-card h4{font-size:1rem;margin-bottom:6px}
.tx-support-card p{font-size:.85rem;color:#8a8070}

/* ===== APP下载页 ===== */
.tx-download-hero{text-align:center;padding:60px 20px}
.tx-download-hero img{max-width:600px;margin:0 auto 30px;border-radius:16px}
.tx-download-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:24px}
.tx-download-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:12px;font-size:1rem;font-weight:600;transition:transform .25s}
.tx-download-btn.ios{background:linear-gradient(135deg,#1a1a2e,#2d2d44);color:#fff;border:1px solid rgba(255,255,255,.15)}
.tx-download-btn.android{background:linear-gradient(135deg,#1b5e20,#2e7d32);color:#fff}
.tx-download-btn:hover{transform:translateY(-3px);color:#fff}
.tx-download-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px;margin-top:40px}
.tx-download-feature{background:#0f2a1e;border-radius:10px;padding:20px;text-align:center;border:1px solid rgba(212,160,57,.08)}
.tx-download-feature h4{font-size:.95rem;margin-bottom:6px;color:#d4a039}
.tx-download-feature p{font-size:.82rem;color:#8a8070}

/* ===== 页脚 ===== */
.tx-footer{background:#071510;border-top:1px solid rgba(212,160,57,.1);padding:40px 0 20px}
.tx-footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.tx-footer-col h4{font-size:1rem;color:#d4a039;margin-bottom:14px;position:relative;padding-bottom:8px}
.tx-footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#c0392b}
.tx-footer-col a{display:block;color:#8a8070;font-size:.88rem;padding:4px 0;transition:color .2s}
.tx-footer-col a:hover{color:#d4a039}
.tx-footer-col p{font-size:.85rem;color:#6a6050;line-height:1.6}
.tx-footer-bottom{border-top:1px solid rgba(212,160,57,.08);padding-top:18px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.8rem;color:#5a5040}
.tx-footer-age{display:inline-flex;align-items:center;gap:6px;background:rgba(192,57,43,.15);color:#e74c3c;padding:4px 12px;border-radius:4px;font-weight:700;font-size:.85rem}
.tx-footer-payment{display:flex;gap:8px;align-items:center}
.tx-footer-payment img{height:28px;border-radius:4px}

/* ===== 内页通用 ===== */
.tx-page-header{background:linear-gradient(135deg,#0d2218,#142e22);padding:40px 0;text-align:center;border-bottom:1px solid rgba(212,160,57,.1)}
.tx-page-header h1{font-size:2rem;margin-bottom:8px}
.tx-page-header p{color:#a09080;font-size:.95rem}
.tx-page-content{padding:40px 0}
.tx-page-content h2{font-size:1.5rem;color:#d4a039;margin:30px 0 14px;padding-bottom:8px;border-bottom:1px solid rgba(212,160,57,.1)}
.tx-page-content h3{font-size:1.2rem;margin:20px 0 10px}
.tx-page-content p{color:#b0a898;margin-bottom:14px;font-size:.95rem}
.tx-page-content .tx-highlight{background:rgba(212,160,57,.08);border-left:3px solid #d4a039;padding:14px 18px;border-radius:0 8px 8px 0;margin:18px 0}

/* ===== 响应式 ===== */
@media(max-width:768px){
  .tx-mobile-toggle{display:block}
  .tx-nav{display:none;width:100%;flex-direction:column;background:#0d2218;padding:12px;border-radius:8px;margin-top:8px}
  .tx-nav.open{display:flex}
  .tx-nav a{width:100%;text-align:center;padding:10px}
  .tx-hero h1{font-size:1.7rem}
  .tx-hero p{font-size:.95rem}
  .tx-collab{grid-template-columns:1fr}
  .tx-license{grid-template-columns:1fr}
  .tx-license-img{text-align:center}
  .tx-license-img img{margin:0 auto}
  .tx-video-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .tx-video-grid-h{grid-template-columns:1fr}
  .tx-section{padding:30px 0}
  .tx-section-title h2{font-size:1.4rem}
  .tx-footer-grid{grid-template-columns:1fr 1fr}
  .tx-about{padding:24px}
  .tx-video-card-h .tx-video-thumb{width:130px}
}
@media(max-width:480px){
  .tx-video-grid{grid-template-columns:1fr 1fr;gap:10px}
  .tx-video-info h3{font-size:.88rem}
  .tx-review-grid{grid-template-columns:1fr}
  .tx-expert-grid{grid-template-columns:1fr 1fr}
  .tx-footer-grid{grid-template-columns:1fr}
  .tx-hero{min-height:320px}
  .tx-hero h1{font-size:1.4rem}
  .tx-download-btns{flex-direction:column;align-items:center}
}