*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#6c5ce7;--primary-dark:#5b4cdb;--primary-light:#a29bfe;--secondary:#00cec9;--accent:#fd79a8;--text:#e8e8e8;--text-light:#b0b0b0;--text-muted:#808080;--bg:#0a0a0f;--bg-card:#12121a;--bg-light:#1a1a25;--bg-hover:#222230;--border:#2a2a3a;--shadow:0 4px 12px rgba(0,0,0,0.4);--shadow-lg:0 8px 24px rgba(0,0,0,0.5);--shadow-glow:0 0 20px rgba(108,92,231,0.3);--radius:10px;--radius-lg:16px;--transition:0.3s ease}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
a{color:var(--primary-light);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary)}
ul{list-style:none}
img{max-width:100%;height:auto}
.header{position:fixed;top:0;left:0;right:0;background:rgba(10,10,15,0.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--primary-light)}
.logo-icon{width:36px;height:36px;border-radius:8px}
.nav-list{display:flex;align-items:center;gap:24px}
.nav-list a{color:var(--text-light);font-size:15px;font-weight:500;padding:8px 0;position:relative}
.nav-list a:hover{color:var(--primary-light)}
.nav-list a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:width var(--transition)}
.nav-list a:hover::after{width:100%}
.nav-cta{background:var(--primary);color:#fff!important;padding:8px 16px!important;border-radius:var(--radius);box-shadow:var(--shadow-glow)}
.nav-cta:hover{background:var(--primary-dark)}
.nav-cta::after{display:none!important}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--text);transition:var(--transition)}
.btn{display:inline-block;padding:12px 24px;font-size:16px;font-weight:500;text-align:center;border-radius:var(--radius);cursor:pointer;transition:all var(--transition);border:none}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(108,92,231,0.5);color:#fff}
.btn-secondary{background:var(--bg-light);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--bg-hover);color:var(--text);border-color:var(--primary)}
.btn-outline{background:transparent;color:var(--primary-light);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-large{padding:16px 32px;font-size:18px}
.hero{position:relative;padding:140px 0 100px;min-height:600px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;z-index:0}
.hero-bg-img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(10,10,15,0.9) 0%,rgba(18,18,26,0.85) 50%,rgba(10,10,15,0.9) 100%)}
.hero-inner{position:relative;z-index:1;text-align:center}
.hero h1{font-size:42px;font-weight:700;margin-bottom:20px;line-height:1.3;background:linear-gradient(135deg,var(--text) 0%,var(--primary-light) 50%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:18px;max-width:700px;margin:0 auto 36px;color:var(--text-light);line-height:1.7}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.hero-tags{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-tags span{background:rgba(108,92,231,0.2);border:1px solid var(--primary);padding:8px 18px;border-radius:20px;font-size:14px;color:var(--primary-light)}
section{padding:80px 0}
section:nth-child(even){background:var(--bg-card)}
h2{font-size:28px;font-weight:700;text-align:center;margin-bottom:16px;color:var(--text)}
.section-desc{text-align:center;color:var(--text-muted);max-width:600px;margin:0 auto 40px}
.section-cta{text-align:center;margin-top:40px}
.section-cta p{margin-bottom:16px;color:var(--text-muted)}
.intro-content{display:grid;grid-template-columns:1fr 400px;gap:48px;align-items:center;margin-bottom:48px}
.intro-text p{margin-bottom:20px;color:var(--text-light)}
.intro-image{text-align:center}
.intro-image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.intro-features{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-item{text-align:center;padding:28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition)}
.feature-item:hover{border-color:var(--primary);box-shadow:var(--shadow-glow)}
.feature-icon{font-size:44px;margin-bottom:14px}
.feature-item h3{font-size:18px;margin-bottom:8px;color:var(--text)}
.feature-item p{font-size:14px;color:var(--text-muted)}
.products-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.products-showcase{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.products-showcase img{width:100%;display:block}
.product-grid{display:grid;grid-template-columns:1fr;gap:20px}
.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition)}
.product-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.product-card.featured{border:2px solid var(--secondary);background:linear-gradient(135deg,rgba(0,206,201,0.05) 0%,transparent 100%)}
.product-icon{font-size:32px;margin-bottom:12px}
.product-card h3{font-size:18px;margin-bottom:8px;color:var(--text)}
.product-card p{color:var(--text-muted);margin-bottom:16px;font-size:14px}
.version-notice{margin-top:32px;padding:16px 24px;background:var(--bg-light);border-left:4px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0}
.version-notice p{margin:0;color:var(--text-light);font-size:14px}
.scenes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scene-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition)}
.scene-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.scene-card img{width:100%;height:280px;object-fit:cover}
.scene-content{padding:20px}
.scene-content h3{font-size:16px;margin-bottom:8px;color:var(--text)}
.scene-content p{font-size:14px;color:var(--text-muted)}
.guide-wrapper{display:grid;grid-template-columns:400px 1fr;gap:48px;align-items:start;margin-bottom:40px}
.guide-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.guide-image img{width:100%;display:block}
.guide-steps{display:flex;flex-direction:column;gap:24px}
.guide-step{display:flex;gap:20px;align-items:flex-start}
.step-number{flex-shrink:0;width:44px;height:44px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;box-shadow:var(--shadow-glow)}
.step-content h3{font-size:17px;margin-bottom:6px;color:var(--text)}
.step-content p{color:var(--text-light);font-size:14px}
.guide-extra{max-width:800px;margin:0 auto;padding:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.guide-extra h3{font-size:18px;margin-bottom:16px;color:var(--text)}
.guide-extra ul{display:grid;gap:10px}
.guide-extra li{color:var(--text-light);padding-left:20px;position:relative}
.guide-extra li::before{content:'›';position:absolute;left:0;color:var(--primary-light)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:all var(--transition)}
.faq-item:hover{border-color:var(--primary)}
.faq-item.priority{border:2px solid var(--secondary);background:linear-gradient(135deg,rgba(0,206,201,0.08) 0%,transparent 100%)}
.faq-item.priority .faq-question{color:var(--secondary)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;font-weight:500;color:var(--text);transition:background var(--transition)}
.faq-question:hover{background:var(--bg-hover)}
.faq-toggle{font-size:24px;color:var(--primary-light);transition:transform var(--transition)}
.faq-item.active .faq-toggle{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 24px 20px;color:var(--text-light);line-height:1.7}
.faq-item.active .faq-answer{display:block}
.safety-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.safety-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.safety-image img{width:100%;display:block}
.safety-content{display:flex;flex-direction:column;gap:20px}
.safety-block{background:var(--bg-card);border:1px solid var(--border);padding:20px;border-radius:var(--radius-lg);transition:all var(--transition)}
.safety-block:hover{border-color:var(--primary)}
.safety-block.warning{border-color:var(--accent)}
.safety-block h3{font-size:16px;margin-bottom:12px;color:var(--text)}
.safety-block ul{display:grid;gap:8px}
.safety-block li{padding-left:24px;position:relative;color:var(--text-light);font-size:14px;line-height:1.5}
.safety-block li::before{content:'✓';position:absolute;left:0;color:var(--secondary)}
.safety-block.warning li::before{content:'⚠';color:var(--accent)}
.news-list{max-width:800px;margin:0 auto}
.news-item{display:flex;gap:24px;padding:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;transition:all var(--transition)}
.news-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.news-date{flex-shrink:0;width:90px;text-align:center;font-size:14px;color:var(--secondary);font-weight:600;padding:8px;background:var(--bg-light);border-radius:var(--radius)}
.news-content h3{font-size:17px;margin-bottom:8px;color:var(--text)}
.news-content p{font-size:14px;color:var(--text-muted)}
.about-wrapper{display:grid;grid-template-columns:400px 1fr;gap:48px;align-items:center}
.about-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-image img{width:100%;display:block}
.about-content p{margin-bottom:16px;color:var(--text-light);line-height:1.8}
.contact{background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg) 100%);text-align:center;position:relative}
.contact::before{content:'';position:absolute;top:0;left:50%;width:800px;height:400px;background:radial-gradient(circle,rgba(108,92,231,0.1) 0%,transparent 70%);transform:translateX(-50%);pointer-events:none}
.contact h2{color:var(--text)}
.contact-content{position:relative;z-index:1}
.contact-content p{max-width:600px;margin:0 auto 24px;color:var(--text-light)}
.contact-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.contact-note{font-size:14px;color:var(--text-muted)}
.footer{background:var(--bg-card);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-main{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px;flex-wrap:wrap;gap:24px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary-light);margin-bottom:8px}
.footer-logo img{border-radius:6px}
.footer-brand p{color:var(--text-muted);font-size:14px}
.footer-nav{display:flex;gap:24px;flex-wrap:wrap}
.footer-nav a{color:var(--text-light);font-size:14px}
.footer-nav a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;text-align:center}
.footer-bottom>p{color:var(--text-muted);font-size:14px;margin-bottom:12px}
.footer-bottom a{color:var(--text-light)}
.footer-bottom a:hover{color:var(--primary-light)}
.footer-legal{display:flex;gap:24px;justify-content:center;margin-bottom:16px;flex-wrap:wrap}
.footer-legal a{font-size:13px;color:var(--text-muted)}
.copyright{font-size:13px;color:var(--text-muted);margin-bottom:8px!important}
.icp a{font-size:13px;color:var(--text-muted)}
.back-to-top{position:fixed;bottom:60px;right:20px;width:48px;height:48px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;opacity:0;visibility:hidden;transition:all var(--transition);box-shadow:var(--shadow-glow);z-index:999}
.back-to-top:hover{transform:scale(1.1);color:#fff}
.back-to-top.visible{opacity:1;visibility:visible}
@media(max-width:1024px){
.intro-content{grid-template-columns:1fr;gap:32px}
.intro-image{order:-1}
.products-wrapper{grid-template-columns:1fr}
.products-showcase{max-width:500px;margin:0 auto}
.scenes-grid{grid-template-columns:repeat(2,1fr)}
.guide-wrapper{grid-template-columns:1fr}
.guide-image{max-width:400px;margin:0 auto}
.safety-wrapper{grid-template-columns:1fr}
.safety-image{max-width:500px;margin:0 auto}
.about-wrapper{grid-template-columns:1fr}
.about-image{max-width:400px;margin:0 auto;order:-1}
}
@media(max-width:768px){
.nav{position:fixed;top:64px;left:0;right:0;background:rgba(10,10,15,0.98);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transform:translateY(-100%);opacity:0;visibility:hidden;transition:all var(--transition)}
.nav.active{transform:translateY(0);opacity:1;visibility:visible}
.nav-list{flex-direction:column;padding:24px;gap:16px}
.nav-list a{font-size:16px}
.menu-toggle{display:flex}
.hero{padding:120px 0 80px;min-height:auto}
.hero h1{font-size:28px}
.hero-desc{font-size:16px}
.hero-buttons{flex-direction:column;align-items:center}
section{padding:60px 0}
h2{font-size:24px}
.intro-features{grid-template-columns:repeat(2,1fr)}
.product-grid{grid-template-columns:1fr}
.scenes-grid{grid-template-columns:1fr}
.scene-card img{height:200px}
.guide-step{flex-direction:column;gap:12px}
.step-number{width:40px;height:40px;font-size:16px}
.news-item{flex-direction:column;gap:12px}
.news-date{width:auto}
.footer-main{flex-direction:column;text-align:center}
.footer-logo{justify-content:center}
.footer-nav{justify-content:center}
.back-to-top{bottom:110px;right:16px;width:44px;height:44px}
.contact-buttons{flex-direction:column;align-items:center}
}
@media(max-width:480px){
.container{padding:0 16px}
.hero h1{font-size:24px}
.btn{padding:10px 20px;font-size:15px}
.btn-large{padding:14px 28px;font-size:16px}
.intro-features{grid-template-columns:1fr}
.product-card{padding:20px}
.faq-question{padding:16px 20px;font-size:15px}
}