:root{--bg:#0a0a0a;--bg2:#111;--bg3:#1a1a1a;--text:#e8e8e8;--text2:#999;--text3:#666;--accent:#c9a84c;--accent2:#8b6f2e;--border:#222;--border2:#333;--font-sans:-apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-serif:"Songti SC", "STSong", "SimSun", serif;--max-w:1200px;--radius:4px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.8;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:var(--accent);text-decoration:none;transition:opacity .2s}a:hover{opacity:.8}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);letter-spacing:.5px;font-weight:700;line-height:1.3}p{color:var(--text2);font-weight:300}.container{max-width:var(--max-w);margin:0 auto;padding:0 2rem}.section{border-top:1px solid var(--border);padding:5rem 0}.section-label{color:var(--accent);letter-spacing:3px;text-transform:uppercase;margin-bottom:.5rem;font-size:.85rem;font-weight:500}.section-title{margin-bottom:.8rem;font-size:clamp(1.8rem,3.5vw,2.8rem)}.section-desc{color:var(--text2);max-width:700px;margin-bottom:3rem;font-weight:300}.btn{cursor:pointer;font-size:.95rem;font-weight:500;font-family:var(--font-sans);text-align:center;border-radius:var(--radius);border:none;padding:.8rem 2rem;transition:all .3s;display:inline-block}.btn-primary{background:var(--accent);color:#0a0a0a}.btn-primary:hover{opacity:1;background:#dbb85a;transform:translateY(-2px)}.btn-outline{color:var(--text);border:1px solid var(--border);background:0 0}.btn-outline:hover{border-color:var(--accent);color:var(--accent);opacity:1;transform:translateY(-2px)}.top-nav{z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);background:#0a0a0af2;padding:.8rem 2rem;position:fixed;top:0;left:0;right:0}.top-nav-inner{max-width:var(--max-w);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.top-nav .brand{color:var(--accent);font-size:.95rem;font-weight:600}.top-nav-links{align-items:center;gap:2rem;display:flex}.top-nav-links a{color:var(--text2);font-size:.9rem;transition:color .2s}.top-nav-links a:hover{color:var(--accent);opacity:1}.top-nav-links .nav-cta{color:#0a0a0a;background:var(--accent);border-radius:var(--radius);padding:.4rem 1rem}.top-nav-links .nav-cta:hover{background:#dbb85a}.site-footer{border-top:1px solid var(--border);text-align:center;color:var(--text3);padding:3rem 2rem 2rem;font-size:.85rem}.site-footer .footer-inner{max-width:var(--max-w);margin:0 auto}.site-footer .footer-brand{color:var(--accent);font-family:var(--font-serif);margin-bottom:.5rem;font-size:1.2rem;font-weight:600}.site-footer .footer-links{flex-wrap:wrap;justify-content:center;gap:2rem;margin:1.5rem 0;display:flex}.site-footer .footer-links a{color:var(--text2);font-size:.85rem}.site-footer .footer-links a:hover{color:var(--accent)}.hero{text-align:center;background:linear-gradient(135deg,#0a0a0a 0%,#1a0a0a 40%,#0a0a0a 100%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex;position:relative}.hero:before{content:"";pointer-events:none;background:radial-gradient(#c9a84c14 0%,#0000 70%);position:absolute;inset:0}.hero-badge{letter-spacing:4px;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);z-index:1;margin-bottom:2rem;padding:.4rem 1.2rem;font-size:.8rem;font-weight:500;position:relative}.hero h1{letter-spacing:2px;z-index:1;margin-bottom:1.5rem;font-size:clamp(2.5rem,6vw,5rem);position:relative}.hero h1 span{color:var(--accent)}.hero p{z-index:1;max-width:600px;margin-bottom:2.5rem;font-size:clamp(1rem,2vw,1.3rem);position:relative}.hero-cta{z-index:1;flex-wrap:wrap;justify-content:center;gap:1rem;display:flex;position:relative}.scroll-indicator{color:var(--text2);letter-spacing:2px;flex-direction:column;align-items:center;gap:.5rem;font-size:.75rem;animation:2s ease-in-out infinite float;display:flex;position:absolute;bottom:2rem;left:50%;transform:translate(-50%)}.scroll-indicator .line{background:linear-gradient(to bottom, var(--text2), transparent);width:1px;height:40px}@keyframes float{0%,to{transform:translate(-50%)translateY(0)}50%{transform:translate(-50%)translateY(8px)}}.module-list{flex-direction:column;gap:1.5rem;display:flex}.module-card{background:var(--bg2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);grid-template-columns:auto 1fr auto;align-items:center;gap:2rem;padding:2rem;transition:all .3s;display:grid}.module-card:hover{border-color:var(--accent);transform:translate(4px)}.module-card .icon{border:1px solid var(--border);width:60px;height:60px;color:var(--accent);border-radius:var(--radius);font-size:1.5rem;font-weight:700;font-family:var(--font-serif);flex-shrink:0;justify-content:center;align-items:center;display:flex}.module-card .info h3{margin-bottom:.5rem;font-size:1.2rem}.module-card .info .meta{color:var(--text3);gap:1.5rem;font-size:.85rem;display:flex}.module-card .arrow{color:var(--accent);opacity:0;font-size:1.2rem;transition:opacity .3s}.module-card:hover .arrow{opacity:1}.page-hero{padding:8rem 0 4rem}.module-badge{border:1px solid var(--accent);color:var(--accent);letter-spacing:3px;border-radius:var(--radius);margin-bottom:1.5rem;padding:.3rem 1rem;font-size:.75rem;display:inline-block}.page-hero h1{margin-bottom:1rem;font-size:clamp(2rem,4vw,3rem)}.page-hero .desc{color:var(--text2);max-width:700px;margin-bottom:2rem;font-size:1.1rem;font-weight:300}.meta-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-wrap:wrap;gap:2rem;padding:1.5rem 0;display:flex}.meta-bar div{color:var(--text3);align-items:center;gap:.5rem;font-size:.85rem;display:flex}.meta-bar strong{color:var(--text);font-weight:500}.lesson-list{padding-bottom:4rem}.lesson{margin-bottom:4rem}.lesson:last-child{margin-bottom:0}.lesson h2{border-left:3px solid var(--accent);margin-bottom:1rem;padding-left:1rem;font-size:1.5rem}.lesson .lesson-num{color:var(--accent);margin-right:.5rem;font-size:1.2rem}.lesson .sub{color:var(--text3);letter-spacing:1px;margin-bottom:1.5rem;font-size:.85rem}.lesson p{margin-bottom:1rem}.lesson .highlight{background:var(--bg2);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius);margin:1.5rem 0;padding:1.2rem 1.5rem}.lesson .highlight strong{color:var(--accent)}.gallery{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin:2rem 0;display:grid}.gallery img{aspect-ratio:4/3;object-fit:cover;background:var(--bg3);border-radius:var(--radius);width:100%}.purchase-cta{background:linear-gradient(135deg, var(--bg2) 0%, #1a1405 100%);border:1px solid var(--accent2);border-radius:var(--radius);text-align:center;margin:4rem 0;padding:3rem 2rem;position:relative;overflow:hidden}.purchase-cta:before{content:"";pointer-events:none;background:radial-gradient(#c9a84c0f 0%,#0000 50%);width:200%;height:200%;position:absolute;top:-50%;left:-50%}.purchase-cta h2{margin-bottom:.8rem;font-size:clamp(1.5rem,3vw,2.2rem);position:relative}.purchase-cta .price{color:var(--accent);font-size:2.5rem;font-weight:700;font-family:var(--font-serif);margin:1rem 0;position:relative}.purchase-cta .price small{color:var(--text2);font-size:1rem;font-weight:300}.purchase-cta .benefits{text-align:left;max-width:500px;margin:2rem auto;list-style:none;position:relative}.purchase-cta .benefits li{color:var(--text2);padding:.5rem 0 .5rem 2rem;position:relative}.purchase-cta .benefits li:before{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.purchase-cta .cta-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:2rem;display:flex;position:relative}.purchase-cta .qr-note{color:var(--text3);margin-top:1rem;font-size:.8rem;position:relative}@media (width<=768px){.top-nav{padding:.8rem 1rem}.top-nav-links{gap:1rem}.top-nav-links a:not(.nav-cta){display:none}.container{padding:0 1.2rem}.section{padding:3rem 0}.module-card{grid-template-columns:auto 1fr;gap:1rem;padding:1.5rem}.module-card .arrow{display:none}.hero{padding:1rem}.hero h1{letter-spacing:1px}.gallery{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.5rem}.lesson h2{font-size:1.25rem}.purchase-cta{padding:2rem 1.2rem}.purchase-cta .price{font-size:2rem}}