*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --pink-light:#ffb3c6;--pink:#ff7295;--pink-dark:#e8527a;
    --bg-dark:#1a1a2e;--text-dark:#1f2937;--text-muted:#6b7280;
    --white:#ffffff;--gray-50:#f9fafb;--gray-100:#f3f4f6;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;color:var(--text-dark);line-height:1.6;overflow-x:hidden;background:var(--white)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,114,149,.08);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem}
.nav-logo-icon{width:36px;height:36px;border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.nav-logo-icon img{width:100%;height:100%;object-fit:cover}
.nav-logo span{background:linear-gradient(135deg,var(--pink),var(--pink-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.9rem;color:var(--text-muted);transition:color .2s;font-weight:500}
.nav-links a:hover{color:var(--pink)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;padding:8px 22px;border-radius:50px;background:linear-gradient(135deg,var(--pink),var(--pink-dark));color:var(--white)!important;font-size:.88rem;font-weight:600;transition:transform .2s,box-shadow .2s;-webkit-text-fill-color:var(--white)!important}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,114,149,.35)}
.nav-cta-mobile{display:none}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{display:block;width:24px;height:2.5px;background:var(--text-dark);border-radius:2px;transition:transform .3s,opacity .3s}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;background:var(--white);padding:20px 24px;border-bottom:1px solid var(--gray-100);box-shadow:0 10px 30px rgba(0,0,0,.08)}
.mobile-menu a{display:block;padding:12px 0;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--gray-100)}
.mobile-menu a:last-child{border:none}
.mobile-menu .nav-cta{display:inline-flex;margin-top:12px}

/* Hero */
.hero{position:relative;padding:120px 0 64px;background:linear-gradient(135deg,#ffe4ec,var(--pink-light) 30%,var(--pink) 70%,var(--pink-dark));overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.15),transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 70%);border-radius:50%}
.hero-content{position:relative;z-index:2;text-align:center;max-width:780px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 16px;border-radius:50px;background:rgba(255,255,255,.2);backdrop-filter:blur(8px);color:var(--white);font-size:.82rem;font-weight:500;margin-bottom:18px}
.hero h1{font-size:2.8rem;font-weight:700;color:var(--white);line-height:1.25;margin-bottom:14px;letter-spacing:-.02em}
.hero p{font-size:1.05rem;color:rgba(255,255,255,.9);line-height:1.65;margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-buttons{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:50px;background:var(--white);color:var(--pink-dark);font-size:1rem;font-weight:600;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 20px rgba(0,0,0,.1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:50px;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);border:1.5px solid rgba(255,255,255,.4);color:var(--white);font-size:1rem;font-weight:500;transition:background .2s}
.btn-secondary:hover{background:rgba(255,255,255,.25)}

/* Stats */
.stats{position:relative;z-index:3;margin-top:-36px;padding-bottom:28px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat-card{background:var(--white);border-radius:16px;padding:22px 20px;text-align:center;box-shadow:0 8px 30px rgba(0,0,0,.07);transition:transform .3s}
.stat-card:hover{transform:translateY(-3px)}
.stat-number{font-size:1.8rem;font-weight:700;background:linear-gradient(135deg,var(--pink),var(--pink-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:2px}
.stat-label{font-size:.85rem;color:var(--text-muted);font-weight:500}

/* Section common */
.section{padding:90px 0}
.section-header{text-align:center;margin-bottom:56px}
.section-tag{display:inline-flex;align-items:center;gap:8px;padding:5px 16px;border-radius:50px;background:linear-gradient(135deg,#ffe4ec,#fff0f3);color:var(--pink-dark);font-size:.82rem;font-weight:600;margin-bottom:16px;letter-spacing:.03em}
.section-tag i{font-size:.85rem}
.section-title{font-size:2.2rem;font-weight:700;color:var(--text-dark);line-height:1.3;margin-bottom:14px}
.section-desc{font-size:1.05rem;color:var(--text-muted);max-width:560px;margin:0 auto;line-height:1.7}
.section-alt{background:var(--gray-50)}

/* Advantages */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.adv-card{background:var(--white);border-radius:20px;padding:40px 32px;border:1px solid var(--gray-100);transition:transform .3s,box-shadow .3s}
.adv-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(255,114,149,.1)}
.adv-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:22px;font-size:1.3rem;color:var(--pink-dark)}
.adv-card:nth-child(1) .adv-icon{background:linear-gradient(135deg,#ffe4ec,#ffc4d6)}
.adv-card:nth-child(2) .adv-icon{background:linear-gradient(135deg,#fff0f3,#ffe4ec)}
.adv-card:nth-child(3) .adv-icon{background:linear-gradient(135deg,#ffc4d6,#ffb3c6)}
.adv-card h3{font-size:1.2rem;font-weight:600;margin-bottom:12px;color:var(--text-dark)}
.adv-card p{font-size:.95rem;color:var(--text-muted);line-height:1.7}

/* Features */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--white);border-radius:20px;padding:36px 28px;border:1px solid var(--gray-100);transition:transform .3s,border-color .3s}
.feat-card:hover{transform:translateY(-4px);border-color:var(--pink-light)}
.feat-icon{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--pink-light),var(--pink));display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--white);font-size:1.15rem}
.feat-card h3{font-size:1.1rem;font-weight:600;margin-bottom:10px}
.feat-card p{font-size:.9rem;color:var(--text-muted);line-height:1.65}

/* Tech */
.tech-flow{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;padding:20px 0}
.tech-item{background:var(--white);border-radius:16px;padding:28px 32px;text-align:center;border:1px solid var(--gray-100);min-width:200px;transition:transform .3s,box-shadow .3s}
.tech-item:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(255,114,149,.1)}
.tech-item-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#ffe4ec,var(--pink-light));display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:1.1rem;color:var(--pink-dark)}
.tech-item h4{font-size:1rem;font-weight:600;color:var(--text-dark)}
.tech-arrow{font-size:1.2rem;color:var(--pink);padding:0 16px;flex-shrink:0}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{background:var(--white);border-radius:16px;padding:28px 32px;border:1px solid var(--gray-100);display:flex;gap:18px;align-items:flex-start;transition:transform .3s,border-color .3s}
.news-card:hover{transform:translateY(-3px);border-color:var(--pink-light)}
.news-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--pink-dark));flex-shrink:0;margin-top:7px}
.news-card h4{font-size:1rem;font-weight:600;margin-bottom:6px}
.news-card p{font-size:.88rem;color:var(--text-muted)}
.news-tag{display:inline-block;padding:2px 10px;border-radius:20px;background:#fff0f3;color:var(--pink-dark);font-size:.75rem;font-weight:600;margin-bottom:8px}
.news-date{display:block;font-size:.78rem;color:var(--text-muted);margin-top:8px;opacity:.7}
a.news-card{cursor:pointer}
a.news-card h4{transition:color .2s}
a.news-card:hover h4{color:var(--pink-dark)}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--white);border-radius:16px;border:1px solid var(--gray-100);overflow:hidden;transition:border-color .3s}
.faq-item.active{border-color:var(--pink-light)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;cursor:pointer;font-weight:600;font-size:1rem;gap:16px;transition:color .2s}
.faq-q:hover{color:var(--pink)}
.faq-q i{flex-shrink:0;transition:transform .3s;color:var(--pink);font-size:.85rem}
.faq-item.active .faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 28px;max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}
.faq-item.active .faq-a{max-height:200px;padding:0 28px 20px}
.faq-a p{font-size:.95rem;color:var(--text-muted);line-height:1.7}

/* Reviews */
.reviews-header{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:40px}
.reviews-score{font-size:2rem;font-weight:700;color:var(--text-dark)}
.reviews-stars{color:#facc15;font-size:1.1rem;display:flex;gap:3px}
.reviews-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.review-card{background:var(--white);border-radius:16px;padding:28px 24px;border:1px solid var(--gray-100);transition:transform .3s}
.review-card:hover{transform:translateY(-4px)}
.review-stars{color:#facc15;font-size:.8rem;margin-bottom:12px;display:flex;gap:2px}
.review-text{font-size:.9rem;color:var(--text-muted);line-height:1.65;margin-bottom:16px;font-style:italic}
.review-author{display:flex;align-items:center;gap:10px}
.review-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--pink-light),var(--pink));display:flex;align-items:center;justify-content:center;color:var(--white);font-size:.85rem;font-weight:600}
.review-name{font-size:.88rem;font-weight:600;color:var(--text-dark)}

/* Bottom CTA */
.bottom-cta{padding:90px 0;background:linear-gradient(135deg,#ffe4ec,var(--pink-light) 30%,var(--pink) 70%,var(--pink-dark));text-align:center;position:relative;overflow:hidden}
.bottom-cta::before{content:'';position:absolute;top:-40%;right:-15%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);border-radius:50%}
.bottom-cta h2{font-size:2.4rem;font-weight:700;color:var(--white);margin-bottom:16px;position:relative;z-index:2}
.bottom-cta p{font-size:1.1rem;color:rgba(255,255,255,.88);margin-bottom:36px;position:relative;z-index:2}
.bottom-cta .btn-primary{position:relative;z-index:2;font-size:1.05rem;padding:16px 42px}

/* Footer */
footer{background:var(--bg-dark);color:rgba(255,255,255,.6);padding:50px 0 30px}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:32px}
.footer-brand-col{min-width:200px;max-width:260px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand img{width:28px;height:28px;border-radius:6px}
.footer-brand span{font-weight:600;color:var(--white);font-size:1rem}
.footer-brand-desc{font-size:.85rem;line-height:1.6}
.footer-nav{display:flex;gap:56px;flex-wrap:wrap}
.footer-section{min-width:120px}
.footer-section h4{color:var(--white);font-size:.88rem;font-weight:600;margin-bottom:14px}
.footer-section ul{list-style:none}
.footer-section li{margin-bottom:8px}
.footer-section a{font-size:.84rem;transition:color .2s}
.footer-section a:hover{color:var(--pink-light)}
.footer-copy{text-align:center;margin-top:0;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:.82rem}

/* Back to Top */
.back-to-top{position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--pink-dark));color:var(--white);border:none;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,visibility .3s,transform .3s,box-shadow .2s;box-shadow:0 4px 16px rgba(255,114,149,.3);z-index:999}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{box-shadow:0 6px 24px rgba(255,114,149,.45);transform:translateY(-2px)}

/* Subpage styles */
.page-hero{padding:110px 0 48px;background:linear-gradient(135deg,#ffe4ec,var(--pink-light) 40%,var(--pink) 80%,var(--pink-dark));text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-40%;right:-15%;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);border-radius:50%}
.page-hero h1{font-size:2.2rem;font-weight:700;color:var(--white);position:relative;z-index:2;margin-bottom:10px}
.page-hero p{font-size:1rem;color:rgba(255,255,255,.85);position:relative;z-index:2}
.page-content{padding:64px 0 80px}
.page-content .container{max-width:860px}
.page-content h2{font-size:1.5rem;font-weight:700;color:var(--text-dark);margin:40px 0 16px;padding-bottom:10px;border-bottom:2px solid #ffe4ec}
.page-content h2:first-child{margin-top:0}
.page-content h3{font-size:1.15rem;font-weight:600;color:var(--text-dark);margin:28px 0 12px}
.page-content p{font-size:.95rem;color:var(--text-muted);line-height:1.8;margin-bottom:16px}
.page-content ul,.page-content ol{padding-left:24px;margin-bottom:16px}
.page-content li{font-size:.95rem;color:var(--text-muted);line-height:1.8;margin-bottom:6px}
.page-content .last-updated{font-size:.85rem;color:var(--pink);font-weight:500;margin-bottom:32px}
.page-content .guide-toc{background:var(--gray-50);border-radius:16px;padding:28px 32px;margin-bottom:40px;border:1px solid var(--gray-100)}
.page-content .guide-toc h3{margin-top:0;margin-bottom:14px;font-size:1.05rem}
.page-content .guide-toc ul{list-style:none;padding:0;margin:0}
.page-content .guide-toc li{margin-bottom:8px}
.page-content .guide-toc a{color:var(--pink-dark);font-size:.92rem;font-weight:500;transition:color .2s}
.page-content .guide-toc a:hover{color:var(--pink)}
.page-content .contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin:24px 0 32px}
.page-content .contact-card{background:var(--white);border:1px solid var(--gray-100);border-radius:16px;padding:28px 24px;text-align:center;transition:transform .3s,border-color .3s}
.page-content .contact-card:hover{transform:translateY(-3px);border-color:var(--pink-light)}
.page-content .contact-card i{font-size:1.5rem;color:var(--pink);margin-bottom:14px}
.page-content .contact-card h4{font-size:1rem;font-weight:600;margin-bottom:8px}
.page-content .contact-card p{font-size:.88rem;margin-bottom:0}
.page-content .feedback-form{background:var(--gray-50);border-radius:16px;padding:36px;border:1px solid var(--gray-100)}
.page-content .form-group{margin-bottom:20px}
.page-content .form-group label{display:block;font-size:.9rem;font-weight:600;color:var(--text-dark);margin-bottom:6px}
.page-content .form-group input,.page-content .form-group textarea,.page-content .form-group select{width:100%;padding:12px 16px;border:1px solid var(--gray-100);border-radius:10px;font-size:.92rem;font-family:inherit;transition:border-color .2s;background:var(--white);color:var(--text-dark)}
.page-content .form-group input:focus,.page-content .form-group textarea:focus,.page-content .form-group select:focus{outline:none;border-color:var(--pink-light)}
.page-content .form-submit{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:50px;background:linear-gradient(135deg,var(--pink),var(--pink-dark));color:var(--white);font-size:.95rem;font-weight:600;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s}
.page-content .form-submit:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,114,149,.35)}

/* Animations */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:1024px){
    .adv-grid,.feat-grid{grid-template-columns:repeat(2,1fr)}
    .reviews-grid{grid-template-columns:repeat(2,1fr)}
    .hero h1{font-size:2.3rem}
}
@media(max-width:768px){
    .nav-links{display:none}
    .nav-cta-mobile{display:inline-flex;align-items:center;gap:4px;padding:6px 16px;border-radius:50px;background:linear-gradient(135deg,var(--pink),var(--pink-dark));color:var(--white)!important;font-size:.78rem;font-weight:600;-webkit-text-fill-color:var(--white)!important;white-space:nowrap;transition:transform .2s,box-shadow .2s;margin-left:auto;margin-right:8px}
    .nav-cta-mobile:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(255,114,149,.3)}
    .hamburger{display:flex}
    .mobile-menu.open{display:block}
    .hero{padding:100px 0 48px}
    .hero h1{font-size:1.85rem}
    .hero p{font-size:1rem}
    .stats-grid{grid-template-columns:1fr}
    .stats{margin-top:-30px}
    .adv-grid,.feat-grid,.news-grid{grid-template-columns:1fr}
    .reviews-grid{grid-template-columns:1fr}
    .tech-flow{flex-direction:column;gap:0}
    .tech-arrow{transform:rotate(90deg);padding:8px 0}
    .section{padding:60px 0}
    .section-title{font-size:1.75rem}
    .bottom-cta h2{font-size:1.8rem}
    .footer-top{flex-direction:column;gap:28px}
    .footer-nav{gap:28px;justify-content:space-between}
    .footer-section{min-width:0;flex:1}
    .footer-brand-col{max-width:none;text-align:center}
    .footer-brand{justify-content:center}
    .footer-brand-desc{margin:0 auto;text-align:center;max-width:300px}
    .page-hero h1{font-size:1.6rem}
    .page-content{padding:40px 0 60px}
    .page-content .feedback-form{padding:24px}
    .back-to-top{bottom:20px;right:20px;width:40px;height:40px;font-size:.9rem}
}