```css
*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;transition:background-color .3s,color .3s,border-color .3s}
:root{--bg:#f8f9fa;--text:#1a1a2e;--card:#ffffff;--shadow:0 4px 20px rgba(0,0,0,.08);--hover-shadow:0 8px 30px rgba(0,0,0,.15);--primary:#ff6b35;--primary-light:#ff8c5a;--secondary:#1a1a2e;--accent:#e94560;--gradient:linear-gradient(135deg,#ff6b35,#e94560);--glass:rgba(255,255,255,.7);--border:#e0e0e0;--footer-bg:#1a1a2e;--footer-text:#f8f9fa}
[data-theme=dark]{--bg:#0f0f1a;--text:#e0e0e0;--card:#1a1a2e;--shadow:0 4px 20px rgba(0,0,0,.3);--hover-shadow:0 8px 30px rgba(0,0,0,.5);--glass:rgba(26,26,46,.8);--border:#2a2a4e;--footer-bg:#0a0a14}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.1);padding:12px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.logo svg{width:36px;height:36px}
nav{display:flex;gap:24px;align-items:center}
nav a{color:var(--text);text-decoration:none;font-size:15px;font-weight:500;padding:6px 0;position:relative;transition:color .3s}
nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient);transition:width .3s}
nav a:hover::after{width:100%}
nav a:hover{color:var(--primary)}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:5px}
.menu-toggle span{width:28px;height:3px;background:var(--text);border-radius:3px;transition:.3s}
.search-box{display:flex;align-items:center;gap:8px;background:var(--card);border-radius:30px;padding:6px 16px;border:1px solid var(--border);max-width:220px}
.search-box input{border:none;background:transparent;color:var(--text);outline:none;font-size:14px;width:100%}
.search-box button{background:none;border:none;color:var(--text);cursor:pointer;font-size:16px}
.theme-toggle{background:none;border:none;color:var(--text);font-size:22px;cursor:pointer;padding:4px 8px;border-radius:50%;transition:.3s}
.theme-toggle:hover{background:rgba(255,107,53,.15)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:var(--gradient);overflow:hidden;padding:120px 20px 80px}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%,rgba(255,255,255,.1) 0%,transparent 60%);animation:heroFloat 8s ease-in-out infinite}
@keyframes heroFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(-20px,20px)}}
.hero-content{position:relative;z-index:2;max-width:800px}
.hero h1{font-size:48px;font-weight:900;color:#fff;margin-bottom:20px;text-shadow:0 4px 30px rgba(0,0,0,.2);line-height:1.2}
.hero p{font-size:20px;color:rgba(255,255,255,.9);margin-bottom:30px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 36px;border-radius:50px;font-size:16px;font-weight:600;text-decoration:none;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:#fff;color:var(--primary);box-shadow:0 4px 20px rgba(0,0,0,.15)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,.2)}
.btn-outline{background:transparent;border:2px solid #fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--primary)}
.breadcrumb{background:var(--card);padding:14px 0;border-bottom:1px solid var(--border)}
.breadcrumb ul{list-style:none;display:flex;gap:10px;flex-wrap:wrap;font-size:14px}
.breadcrumb li{color:var(--text)}
.breadcrumb li+li::before{content:'/';margin-right:10px;color:var(--primary)}
.breadcrumb a{color:var(--primary);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:36px;font-weight:800;margin-bottom:12px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-title p{font-size:16px;color:var(--text);opacity:.7;max-width:600px;margin:0 auto}
.grid{display:grid;gap:30px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border-radius:20px;padding:30px;box-shadow:var(--shadow);transition:all .4s;border:1px solid var(--border)}
.card:hover{transform:translateY(-6px);box-shadow:var(--hover-shadow)}
.card-icon{font-size:40px;margin-bottom:15px}
.card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.card p{font-size:15px;opacity:.8;line-height:1.6}
.article-card{background:var(--card);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);transition:all .4s}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--hover-shadow)}
.article-card img{width:100%;height:200px;object-fit:cover;display:block}
.article-card .content{padding:24px}
.article-card .date{font-size:13px;color:var(--primary);margin-bottom:8px}
.article-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.article-card p{font-size:14px;opacity:.7;margin-bottom:12px}
.article-card .read-more{color:var(--primary);text-decoration:none;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px}
.article-card .read-more:hover{text-decoration:underline}
.faq-item{border-bottom:1px solid var(--border);padding:18px 0;cursor:pointer}
.faq-question{display:flex;justify-content:space-between;align-items:center;font-size:17px;font-weight:600;gap:16px}
.faq-question span{font-size:20px;transition:transform .3s;flex-shrink:0}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,opacity .3s;opacity:0;padding-top:0;font-size:15px;line-height:1.7}
.faq-item.active .faq-answer{max-height:500px;opacity:1;padding-top:14px}
.faq-item.active .faq-question span{transform:rotate(45deg)}
.howto-steps{display:flex;flex-direction:column;gap:20px;counter-reset:step}
.howto-step{display:flex;gap:20px;align-items:flex-start;background:var(--card);padding:24px;border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--border)}
.howto-step .number{width:44px;height:44px;border-radius:50%;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;flex-shrink:0}
.howto-step h4{font-size:18px;font-weight:700;margin-bottom:6px}
.howto-step p{font-size:14px;opacity:.8}
.testimonial-card{background:var(--card);border-radius:20px;padding:30px;box-shadow:var(--shadow);border:1px solid var(--border);position:relative}
.testimonial-card::before{content:'"';font-size:60px;position:absolute;top:-10px;left:20px;color:var(--primary);opacity:.15;font-family:Georgia,serif}
.testimonial-card p{font-style:italic;font-size:15px;opacity:.85;margin-bottom:16px}
.testimonial-card .author{font-weight:700;font-size:14px;color:var(--primary)}
.friend-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:20px 0}
.friend-links a{color:var(--text);opacity:.6;text-decoration:none;font-size:14px;transition:opacity .3s}
.friend-links a:hover{opacity:1;color:var(--primary)}
footer{background:var(--footer-bg);color:var(--footer-text);padding:60px 0 30px}
footer .container{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
footer h4{font-size:18px;font-weight:700;margin-bottom:16px;color:#fff}
footer p,footer a{font-size:14px;opacity:.8;color:var(--footer-text);text-decoration:none;line-height:2}
footer a:hover{opacity:1;color:var(--primary-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:40px;text-align:center;font-size:13px;opacity:.7}
.footer-bottom .friend-links{margin-bottom:16px}
.footer-qr{display:flex;gap:20px;justify-content:center;margin:16px 0}
.footer-qr svg{width:80px;height:80px;border-radius:12px;background:#fff;padding:8px}
.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;border-radius:50%;background:var(--gradient);color:#fff;border:none;font-size:24px;cursor:pointer;box-shadow:0 4px 20px rgba(0,0,0,.3);opacity:0;visibility:hidden;transition:all .4s;z-index:999}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-4px)}
.carousel{position:relative;overflow:hidden;border-radius:20px;background:var(--card);box-shadow:var(--shadow)}
.carousel-track{display:flex;transition:transform .6s ease}
.carousel-slide{min-width:100%;padding:40px;text-align:center}
.carousel-slide img{width:100%;max-height:400px;object-fit:cover;border-radius:16px;margin-bottom:16px}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.2);backdrop-filter:blur(8px);border:none;color:#fff;font-size:28px;width:50px;height:50px;border-radius:50%;cursor:pointer;transition:.3s;z-index:5}
.carousel-btn:hover{background:rgba(255,255,255,.4)}
.carousel-btn.prev{left:16px}
.carousel-btn.next{right:16px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat-item{background:var(--card);padding:30px;border-radius:20px;box-shadow:var(--shadow);border:1px solid var(--border)}
.stat-number{font-size:44px;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.stat-label{font-size:16px;opacity:.7;margin-top:8px}
.fade-in{opacity:0;transform:translateY(30px);transition:all .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}footer .container{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.hero h1{font-size:32px}.hero p{font-size:16px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}footer .container{grid-template-columns:1fr}.menu-toggle{display:flex}nav{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--card);padding:20px;box-shadow:var(--shadow);gap:12px}nav.active{display:flex}.search-box{max-width:160px}.section-title h2{font-size:28px}}
@media(max-width:480px){.hero h1{font-size:26px}.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;text-align:center}.stats-grid{grid-template-columns:1fr}}
[data-theme=dark] .card,[data-theme=dark] .stat-item,[data-theme=dark] .testimonial-card,[data-theme=dark] .faq-item,[data-theme=dark] .howto-step{background:var(--card)}
[data-theme=dark] .breadcrumb{background:var(--card)}
[data-theme=dark] .hero{background:linear-gradient(135deg,#0f0f1a,#1a1a2e)}
[data-theme=dark] .btn-primary{background:var(--primary);color:#fff}
[data-theme=dark] .btn-outline{border-color:var(--primary);color:var(--primary)}
[data-theme=dark] .btn-outline:hover{background:var(--primary);color:#fff}
.contact-info{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.contact-info div{background:var(--card);padding:16px;border-radius:12px;border:1px solid var(--border)}
.contact-info strong{display:block;font-size:14px;opacity:.6;margin-bottom:4px}
.contact-info span{font-size:16px;font-weight:600}
.about-text{font-size:16px;line-height:1.8;opacity:.85;max-width:800px;margin:0 auto;text-align:center}
.author-box{display:flex;align-items:center;gap:20px;background:var(--card);padding:24px;border-radius:16px;border:1px solid var(--border);margin-top:30px}
.author-box img{width:64px;height:64px;border-radius:50%;object-fit:cover}
.author-box .info h4{font-size:18px;font-weight:700}
.author-box .info p{font-size:14px;opacity:.7}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-member{text-align:center;background:var(--card);padding:24px;border-radius:16px;border:1px solid var(--border);transition:.3s}
.team-member:hover{transform:translateY(-4px);box-shadow:var(--hover-shadow)}
.team-member img{width:80px;height:80px;border-radius:50%;margin-bottom:12px;object-fit:cover}
.team-member h4{font-size:16px;font-weight:700}
.team-member p{font-size:13px;opacity:.6}
@media(max-width:768px){.team-grid{grid-template-columns:repeat(2,1fr)}.contact-info{grid-template-columns:1fr}}
```