:root{--primary:#0066FF;--primary-dark:#0047B3;--secondary:#00D2B4;--accent:#E5F0FF;--accent-green:#E5FAF7;--text-main:#111827;--text-muted:#4B5563;--bg-pure:#FFFFFF;--bg-soft:#F8FAFC;--bg-blue-soft:#F2F7FF;--border-light:rgba(0,102,255,0.08);--border-strong:rgba(0,102,255,0.15);--shadow-sm:0 4px 12px rgba(0,102,255,0.05);--shadow-md:0 12px 32px -8px rgba(0,102,255,0.12);--shadow-lg:0 32px 64px -16px rgba(0,102,255,0.18);--shadow-float:0 24px 48px -12px rgba(0,102,255,0.25);--radius-sm:12px;--radius-md:20px;--radius-lg:32px;--font-sans:"PingFang SC","Helvetica Neue","Microsoft YaHei",system-ui,sans-serif;--font-serif:"Songti SC","Noto Serif SC",serif;--ease:cubic-bezier(0.16,1,0.3,1);--maxw:1240px;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);color:var(--text-main);background:var(--bg-pure);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
ul{list-style:none;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
button{border:none;background:none;cursor:pointer;font-family:inherit;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:clamp(80px,10vw,130px) 0;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:16px 36px;border-radius:99px;font-size:16px;font-weight:600;transition:all 0.3s var(--ease);cursor:pointer;letter-spacing:0.5px;}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;box-shadow:0 10px 24px rgba(0,102,255,0.25);position:relative;overflow:hidden;border:none;}
.btn-primary::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);transform:translateX(-100%);transition:transform 0.5s var(--ease);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,102,255,0.35);}
.btn-primary:hover::after{transform:translateX(100%);}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--accent);}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid rgba(0,102,255,0.08);transition:all 0.4s ease;}
.navbar-inner{display:flex;justify-content:space-between;align-items:center;height:84px;max-width:1240px;margin:0 auto;padding:0 24px;}
.brand{display:flex;align-items:center;}
.brand-logo{height:80px;width:auto;object-fit:contain;}
.nav-links{display:flex;gap:8px;height:100%;align-items:center;list-style:none;margin:0;padding:0;}
.nav-item{position:relative;height:84px;display:flex;align-items:center;}
.nav-item>a{font-size:15.5px;font-weight:600;color:#111827;text-decoration:none;padding:0 16px;height:100%;display:flex;align-items:center;gap:4px;transition:color 0.3s;position:relative;}
.nav-item:hover>a,.nav-item.active>a{color:#0066FF;}
.nav-item>a::after{content:'';position:absolute;bottom:20px;left:16px;right:16px;height:3px;border-radius:2px;background:#0066FF;transition:all 0.3s ease;transform:scaleX(0);}
.nav-item:hover>a::after,.nav-item.active>a::after{transform:scaleX(1);}
.nav-caret{width:14px;height:14px;transition:transform 0.3s;stroke:currentColor;fill:none;stroke-width:2;}
.nav-item:hover .nav-caret{transform:rotate(180deg);}
.mega-menu{position:absolute;top:84px;left:50%;transform:translateX(-50%) translateY(10px);width:760px;background:#fff;border-radius:24px;box-shadow:0 32px 64px -16px rgba(0,102,255,0.18);border:1px solid rgba(0,102,255,0.08);opacity:0;visibility:hidden;transition:all 0.3s cubic-bezier(0.16,1,0.3,1);padding:32px;z-index:100;}
.nav-item:hover .mega-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.mega-header{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #f1f5f9;}
.mega-header h3{font-size:20px;color:#111827;font-weight:700;margin:0;}
.mega-header p{font-size:14px;color:#64748b;margin-top:4px;margin-bottom:0;}
.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.mega-card{display:flex;flex-direction:column;gap:8px;padding:20px;background:#f8fafc;border:1px solid transparent;border-radius:16px;transition:all 0.3s ease;text-decoration:none;}
.mega-card:hover{background:#fff;border-color:#0066FF;box-shadow:0 4px 12px rgba(0,102,255,0.05);transform:translateY(-2px);}
.mega-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#E5F0FF,#E5FAF7);display:flex;align-items:center;justify-content:center;margin-bottom:8px;color:#0066FF;}
.mega-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;}
.mega-card h4{font-size:16px;font-weight:700;color:#111827;margin:0;}
.mega-card p{font-size:13px;color:#64748b;line-height:1.5;margin:0;}
.dropdown-menu{position:absolute;top:84px;left:0;min-width:200px;background:#fff;border-radius:16px;box-shadow:0 24px 48px -12px rgba(0,102,255,0.15);border:1px solid rgba(0,102,255,0.08);padding:12px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all 0.3s cubic-bezier(0.16,1,0.3,1);z-index:100;}
.nav-item:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-menu ul{display:flex;flex-direction:column;gap:4px;list-style:none;padding:0;margin:0;}
.dropdown-menu a{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:8px;font-size:14.5px;font-weight:500;color:#111827;transition:all 0.2s;text-decoration:none;}
.dropdown-menu a:hover{background:#F2F7FF;color:#0066FF;transform:translateX(4px);}
.dropdown-menu a::before{content:'';width:5px;height:5px;border-radius:50%;background:#00D2B4;opacity:0.6;}
.nav-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:99px;font-size:15px;font-weight:600;background:linear-gradient(135deg,#0066FF 0%,#00D2B4 100%);color:#fff;text-decoration:none;box-shadow:0 10px 24px rgba(0,102,255,0.25);transition:all 0.3s;white-space:nowrap;}
.nav-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,102,255,0.35);}
.mobile-toggle{display:none;width:32px;height:32px;flex-direction:column;justify-content:center;gap:6px;cursor:pointer;}
.mobile-toggle span{display:block;width:100%;height:2px;background:#111827;transition:all 0.3s;}
.nav-action-group{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:6px;}
.nav-phone-top{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:800;color:var(--primary);transition:all 0.3s;}
.nav-phone-top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.nav-phone-top:hover{color:var(--primary-dark);transform:translateY(-1px);}
.nav-btn-bottom{display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 22px;border-radius:6px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;font-size:14px;font-weight:600;box-shadow:0 4px 12px rgba(0,102,255,0.2);transition:all 0.3s cubic-bezier(0.16,1,0.3,1);}
.nav-btn-bottom:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,102,255,0.3);}
.section-header{text-align:center;max-width:800px;margin:0 auto 64px;}
.eyebrow{font-size:14px;font-weight:700;color:var(--secondary);letter-spacing:2px;text-transform:uppercase;margin-bottom:16px;display:block;}
.h2{font-size:clamp(32px,4vw,48px);font-weight:800;color:var(--text-main);line-height:1.25;letter-spacing:-0.5px;margin-bottom:16px;}
.section-header p{font-size:18px;color:var(--text-muted);}
.faq-list{max-width:800px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border-light);}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:32px 0;cursor:pointer;font-size:18px;font-weight:700;color:var(--text-main);list-style:none;transition:color 0.3s;}
.faq-q:hover{color:var(--primary);}
.faq-q::-webkit-details-marker{display:none;}
.faq-icon{width:32px;height:32px;border-radius:50%;background:var(--bg-soft);display:grid;place-items:center;transition:all 0.3s;flex-shrink:0;}
.faq-icon svg{width:16px;height:16px;stroke:var(--text-main);fill:none;stroke-width:2;transition:transform 0.3s;}
.faq-item[open] .faq-icon{background:var(--primary);}
.faq-item[open] .faq-icon svg{stroke:#fff;transform:rotate(45deg);}
.faq-a{padding:0 40px 32px 0;font-size:16px;color:var(--text-muted);line-height:1.8;}
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);padding:100px 0;position:relative;overflow:hidden;width:100vw;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw;}
.cta-section::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 20% 50%,rgba(255,255,255,0.1) 0%,transparent 50%),radial-gradient(circle at 80% 50%,rgba(255,255,255,0.1) 0%,transparent 50%);}
.cta-content{position:relative;z-index:2;text-align:center;color:#fff;max-width:1200px;margin:0 auto;padding:0 24px;}
.cta-content h2{font-size:clamp(32px,4.5vw,56px);margin-bottom:24px;font-weight:800;letter-spacing:-1px;}
.cta-content p{font-size:20px;color:rgba(255,255,255,0.9);margin-bottom:48px;}
.cta-btns{display:flex;justify-content:center;gap:20px;}
.cta-btns .btn-white{background:#fff;color:var(--primary);box-shadow:0 10px 30px rgba(0,0,0,0.15);border:none;}
.cta-btns .btn-white:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,0.25);}
.cta-btns .btn-outline{border-color:rgba(255,255,255,0.6);color:#fff;}
.cta-btns .btn-outline:hover{background:rgba(255,255,255,0.15);border-color:#fff;}
footer{background:#0F172A;color:rgba(255,255,255,0.6);padding:80px 0 40px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:60px;margin-bottom:60px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand p{margin-top:24px;font-size:14px;line-height:1.8;max-width:320px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:24px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:16px;}
.footer-col a,.footer-col span{font-size:15px;transition:color 0.3s;}
.footer-col a:hover{color:var(--secondary);}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:14px;}
.footer-logo{height:80px;width:auto;object-fit:contain;filter:brightness(0) invert(1);}
.reveal{opacity:0;transform:translateY(40px);transition:all 1s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.delay-1{transition-delay:0.15s;}
.delay-2{transition-delay:0.3s;}
.hkr-float-nav{position:fixed;right:24px;bottom:120px;z-index:1000;display:flex;flex-direction:column;gap:12px;}
.hkr-float-item{width:56px;height:56px;background:#fff;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--text-muted);box-shadow:0 10px 30px -10px rgba(10,17,40,0.15);border:1px solid var(--border-light);cursor:pointer;transition:all 0.3s cubic-bezier(0.16,1,0.3,1);position:relative;text-decoration:none;}
.hkr-float-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:all 0.3s;}
.hkr-float-item span{font-size:11px;font-weight:600;letter-spacing:1px;}
.hkr-float-item:hover{background:#fff;color:#0066ff;border-color:#0066ff;transform:translateY(-3px);box-shadow:0 12px 24px -8px rgba(0,82,255,0.4);}
.hkr-float-wechat{padding-bottom:2px;}
.hkr-float-wechat:hover .hkr-float-qr{opacity:1;visibility:visible;transform:translateX(0) translateY(-50%);}
.hkr-float-qr{position:absolute;right:100%;top:50%;transform:translateX(10px) translateY(-50%);margin-right:16px;width:160px;background:#fff;border-radius:16px;padding:16px;box-shadow:0 20px 40px -10px rgba(10,17,40,0.2);border:1px solid var(--border-light);opacity:0;visibility:hidden;transition:all 0.3s cubic-bezier(0.16,1,0.3,1);text-align:center;}
.hkr-float-qr img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;border:1px solid var(--border-light);margin-bottom:12px;}
.hkr-float-qr p{font-size:12px;color:#000;font-weight:600;white-space:nowrap;margin:0;}
.hkr-float-qr::after{content:'';position:absolute;top:50%;right:-6px;transform:translateY(-50%) rotate(45deg);width:12px;height:12px;background:#fff;border-top:1px solid var(--border-light);border-right:1px solid var(--border-light);}
.hkr-back-top{opacity:0;visibility:hidden;transform:translateY(10px);}
.hkr-back-top.hkr-show{opacity:1;visibility:visible;transform:translateY(0);}
@media(max-width:991px){
.nav-btn,.nav-action-group{display:none;}
.mobile-toggle{display:flex;}
.nav-links{position:fixed;top:84px;left:0;right:0;background:#fff;flex-direction:column;padding:24px;gap:0;border-bottom:1px solid #e2e8f0;box-shadow:0 24px 48px rgba(0,0,0,0.1);clip-path:circle(0% at 100% 0);transition:clip-path 0.4s ease;height:auto;max-height:calc(100vh - 84px);overflow-y:auto;}
.nav-links.active{clip-path:circle(150% at 100% 0);}
.nav-item{height:auto;flex-direction:column;align-items:stretch;border-bottom:1px solid #f1f5f9;width:100%;}
.nav-item>a{padding:16px 8px;justify-content:space-between;}
.nav-item>a::after{display:none;}
.mega-menu,.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;width:100%;padding:12px 0 20px 0;display:none;}
.nav-item.open .mega-menu,.nav-item.open .dropdown-menu{display:block;}
.mega-grid{display:flex;flex-direction:column;gap:12px;}
.mega-card{display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto;column-gap:16px;row-gap:4px;padding:16px;background:#F8FAFC;border-radius:12px;border:1px solid transparent;align-items:center;}
.mega-card:hover{background:#fff;border-color:#0066FF;}
.mega-icon{grid-row:1 / span 2;grid-column:1;margin-bottom:0;width:40px;height:40px;}
.mega-icon svg{width:22px;height:22px;}
.mega-card h4{grid-row:1;grid-column:2;font-size:16px;margin:0;line-height:1.2;}
.mega-card p{grid-row:2;grid-column:2;font-size:13px;color:#64748b;margin:0;line-height:1.4;}
.mega-header{display:none;}
.nav-item:hover .mega-menu{transform: initial;}
}
@media(max-width:1024px){
.footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
.hkr-float-nav{right:16px;bottom:90px;gap:8px;}
.hkr-float-item{width:48px;height:48px;border-radius:12px;}
.hkr-float-item svg{width:20px;height:20px;}
.hkr-float-item span{display:none;}
.hkr-float-qr{right:auto;left:100%;transform:translateX(-10px) translateY(-50%);margin-right:0;margin-left:16px;}
.hkr-float-qr::after{right:auto;left:-6px;transform:translateY(-50%) rotate(-135deg);}
.footer-grid{grid-template-columns:1fr;}
.cta-btns{flex-direction:column;}
.cta-btns .btn{width:100%;}
}