/* ============================================================
   麻豆 全新原创样式表 - 青铜翡翠主题
   配色：翡翠绿(#0D9488) + 琥珀铜(#D97706) + 深墨(#0C1222)
   ============================================================ */

/* --- Reset & Base --- */
*,*::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:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:#0C1222;color:#E2E8F0;line-height:1.75;overflow-x:hidden}
a{color:#14B8A6;text-decoration:none;transition:color .25s}
a:hover{color:#D97706}
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:#F1F5F9}

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

/* --- Header / Navigation --- */
.tx-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(12,18,34,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(20,184,166,.15);transition:background .3s}
.tx-header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1200px;margin:0 auto;padding:0 20px}
.tx-logo img{height:36px;width:auto}
.tx-nav{display:flex;gap:28px;align-items:center}
.tx-nav a{font-size:.9rem;color:#CBD5E1;font-weight:500;position:relative;padding:4px 0}
.tx-nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:linear-gradient(90deg,#0D9488,#D97706);transition:width .3s}
.tx-nav a:hover{color:#14B8A6}
.tx-nav a:hover::after{width:100%}
.tx-menu-btn{display:none;background:none;border:none;color:#E2E8F0;font-size:1.5rem;cursor:pointer}

/* --- Search Bar --- */
.tx-search-bar{background:rgba(15,23,42,.6);border-bottom:1px solid rgba(20,184,166,.1);padding:12px 0}
.tx-search-wrap{max-width:600px;margin:0 auto;display:flex;gap:8px}
.tx-search-wrap input{flex:1;background:rgba(30,41,59,.8);border:1px solid rgba(20,184,166,.25);border-radius:8px;padding:10px 16px;color:#E2E8F0;font-size:.9rem;outline:none;transition:border-color .3s}
.tx-search-wrap input:focus{border-color:#14B8A6}
.tx-search-wrap button{background:linear-gradient(135deg,#0D9488,#14B8A6);color:#fff;border:none;border-radius:8px;padding:10px 24px;font-size:.9rem;cursor:pointer;font-weight:600;transition:opacity .3s}
.tx-search-wrap button:hover{opacity:.85}

/* --- Hero Banner --- */
.tx-hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;margin-top:64px}
.tx-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.45)}
.tx-hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(12,18,34,.85) 0%,rgba(13,148,136,.3) 50%,rgba(217,119,6,.2) 100%)}
.tx-hero-content{position:relative;z-index:2;max-width:680px;padding:60px 20px}
.tx-hero h1{font-size:2.6rem;margin-bottom:16px;background:linear-gradient(135deg,#14B8A6,#D97706);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tx-hero p{font-size:1.1rem;color:#CBD5E1;margin-bottom:28px;line-height:1.8}
.tx-hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tx-hero-tags span{background:rgba(20,184,166,.15);border:1px solid rgba(20,184,166,.3);color:#5EEAD4;padding:6px 16px;border-radius:20px;font-size:.8rem}

/* --- Section Common --- */
.tx-section{padding:70px 0}
.tx-section-alt{background:rgba(15,23,42,.5)}
.tx-section-title{text-align:center;margin-bottom:48px}
.tx-section-title h2{font-size:2rem;margin-bottom:10px;color:#F1F5F9}
.tx-section-title h2 em{font-style:normal;color:#14B8A6}
.tx-section-title p{color:#94A3B8;font-size:1rem}

/* --- Video Card Grid --- */
.tx-video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-video-card{background:rgba(30,41,59,.6);border-radius:14px;overflow:hidden;border:1px solid rgba(20,184,166,.1);transition:transform .3s,box-shadow .3s}
.tx-video-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(13,148,136,.15)}
.tx-video-thumb{position:relative;padding-top:56.25%;background:#1E293B;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(1.06)}
.tx-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(13,148,136,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.tx-play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.tx-video-card:hover .tx-play-btn{opacity:1}
.tx-video-info{padding:16px}
.tx-video-info h3{font-size:1rem;margin-bottom:8px;color:#F1F5F9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tx-video-meta{display:flex;gap:14px;color:#64748B;font-size:.8rem}
.tx-video-meta span::before{margin-right:4px}
.tx-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}

/* --- Feature Blocks (Two Column) --- */
.tx-feature-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:60px}
.tx-feature-row.reverse{direction:rtl}
.tx-feature-row.reverse > *{direction:ltr}
.tx-feature-img{border-radius:16px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.tx-feature-img img{width:100%;display:block;transition:transform .5s}
.tx-feature-img:hover img{transform:scale(1.03)}
.tx-feature-text h3{font-size:1.5rem;margin-bottom:14px;color:#14B8A6}
.tx-feature-text p{color:#94A3B8;line-height:1.85;margin-bottom:12px}
.tx-feature-text ul{margin-top:12px}
.tx-feature-text li{padding:6px 0;color:#CBD5E1;position:relative;padding-left:22px}
.tx-feature-text li::before{content:'';position:absolute;left:0;top:14px;width:8px;height:8px;background:#D97706;border-radius:50%}

/* --- Expert Cards --- */
.tx-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-expert-card{background:rgba(30,41,59,.5);border-radius:14px;padding:28px 20px;text-align:center;border:1px solid rgba(20,184,166,.1);transition:transform .3s}
.tx-expert-card:hover{transform:translateY(-4px)}
.tx-expert-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,#0D9488,#D97706);display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff;font-weight:700}
.tx-expert-card h4{font-size:1rem;color:#F1F5F9;margin-bottom:4px}
.tx-expert-card .tx-role{color:#14B8A6;font-size:.85rem;margin-bottom:10px}
.tx-expert-card p{color:#94A3B8;font-size:.85rem;line-height:1.6}
.tx-expert-links{margin-top:14px;display:flex;gap:10px;justify-content:center}
.tx-expert-links a{background:rgba(20,184,166,.15);color:#5EEAD4;padding:6px 14px;border-radius:6px;font-size:.8rem;transition:background .3s}
.tx-expert-links a:hover{background:rgba(20,184,166,.3)}

/* --- Brand Wall --- */
.tx-brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
.tx-brand-item{background:rgba(30,41,59,.5);border:1px solid rgba(20,184,166,.12);border-radius:12px;padding:18px 32px;color:#94A3B8;font-size:.95rem;font-weight:600;transition:border-color .3s,color .3s}
.tx-brand-item:hover{border-color:#14B8A6;color:#14B8A6}

/* --- FAQ Accordion --- */
.tx-faq-list{max-width:800px;margin:0 auto}
.tx-faq-item{border:1px solid rgba(20,184,166,.12);border-radius:10px;margin-bottom:12px;overflow:hidden}
.tx-faq-q{padding:18px 22px;background:rgba(30,41,59,.4);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#F1F5F9;transition:background .3s}
.tx-faq-q:hover{background:rgba(30,41,59,.7)}
.tx-faq-q::after{content:'+';font-size:1.3rem;color:#14B8A6;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 22px;color:#94A3B8;line-height:1.8}
.tx-faq-item.active .tx-faq-a{max-height:300px;padding:14px 22px}

/* --- Reviews --- */
.tx-review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tx-review-card{background:rgba(30,41,59,.5);border-radius:14px;padding:24px;border:1px solid rgba(20,184,166,.1)}
.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,#0D9488,#D97706);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem}
.tx-review-name{font-weight:600;color:#F1F5F9;font-size:.95rem}
.tx-review-stars{color:#D97706;font-size:.85rem}
.tx-review-card p{color:#94A3B8;font-size:.9rem;line-height:1.75}

/* --- How-To Guide --- */
.tx-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.tx-howto-step{background:rgba(30,41,59,.4);border-radius:14px;padding:28px 20px;text-align:center;border:1px solid rgba(20,184,166,.1);counter-increment:step}
.tx-howto-step::before{content:counter(step);display:block;width:48px;height:48px;line-height:48px;border-radius:50%;background:linear-gradient(135deg,#0D9488,#D97706);color:#fff;font-size:1.3rem;font-weight:700;margin:0 auto 16px}
.tx-howto-step h4{color:#F1F5F9;margin-bottom:8px}
.tx-howto-step p{color:#94A3B8;font-size:.85rem}

/* --- Contact Section --- */
.tx-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.tx-contact-info h3{color:#14B8A6;font-size:1.3rem;margin-bottom:16px}
.tx-contact-info p{color:#94A3B8;margin-bottom:10px;line-height:1.7}
.tx-contact-info strong{color:#F1F5F9}
.tx-qr-group{display:flex;gap:24px;margin-top:20px}
.tx-qr-item{text-align:center}
.tx-qr-item img{width:120px;height:120px;border-radius:8px;border:2px solid rgba(20,184,166,.2);margin-bottom:8px}
.tx-qr-item span{color:#94A3B8;font-size:.8rem}

/* --- Share Buttons --- */
.tx-share-bar{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.tx-share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:8px;font-size:.85rem;font-weight:600;color:#fff;transition:opacity .3s;cursor:pointer;border:none}
.tx-share-btn:hover{opacity:.8}
.tx-share-wechat{background:#07C160}
.tx-share-weibo{background:#E6162D}
.tx-share-douyin{background:#161823}
.tx-share-bilibili{background:#00A1D6}

/* --- MCP Demo --- */
.tx-mcp-demo{background:rgba(30,41,59,.4);border-radius:14px;padding:32px;border:1px solid rgba(20,184,166,.12);max-width:700px;margin:0 auto}
.tx-mcp-demo h3{color:#14B8A6;margin-bottom:16px;text-align:center}
.tx-mcp-output{background:rgba(12,18,34,.8);border-radius:8px;padding:16px;font-family:'Courier New',monospace;font-size:.85rem;color:#5EEAD4;max-height:200px;overflow-y:auto;white-space:pre-wrap}

/* --- Tags Cloud --- */
.tx-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tx-tags a{background:rgba(20,184,166,.1);border:1px solid rgba(20,184,166,.2);color:#5EEAD4;padding:6px 16px;border-radius:20px;font-size:.82rem;transition:all .3s}
.tx-tags a:hover{background:rgba(20,184,166,.25);border-color:#14B8A6}

/* --- Footer --- */
.tx-footer{background:rgba(8,12,24,.95);border-top:1px solid rgba(20,184,166,.1);padding:40px 0 20px}
.tx-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:30px}
.tx-footer h4{color:#F1F5F9;font-size:1rem;margin-bottom:14px}
.tx-footer p,.tx-footer a{color:#64748B;font-size:.85rem;line-height:1.8}
.tx-footer a:hover{color:#14B8A6}
.tx-footer-bottom{border-top:1px solid rgba(20,184,166,.08);padding-top:18px;text-align:center;color:#475569;font-size:.8rem}

/* --- Breadcrumb --- */
.tx-breadcrumb{padding:14px 0;font-size:.85rem;color:#64748B}
.tx-breadcrumb a{color:#14B8A6}
.tx-breadcrumb span{margin:0 8px;color:#475569}

/* --- JSON Data Blocks (hidden SEO) --- */
.hbj82dh{display:none}

/* --- Responsive --- */
@media(max-width:1024px){
  .tx-video-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-feature-row{grid-template-columns:1fr;gap:24px}
  .tx-footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .tx-nav{display:none;position:absolute;top:64px;left:0;width:100%;background:rgba(12,18,34,.98);flex-direction:column;padding:20px;gap:16px}
  .tx-nav.active{display:flex}
  .tx-menu-btn{display:block}
  .tx-hero h1{font-size:1.8rem}
  .tx-hero{min-height:400px}
  .tx-video-grid{grid-template-columns:1fr}
  .tx-expert-grid{grid-template-columns:1fr}
  .tx-review-grid{grid-template-columns:1fr}
  .tx-howto-steps{grid-template-columns:1fr}
  .tx-contact-grid{grid-template-columns:1fr}
  .tx-footer-grid{grid-template-columns:1fr}
  .tx-section{padding:45px 0}
}