/* 鏄撴祴鏁版嵁 - Shared Stylesheet */
:root{--pri:#2563eb;--pri-dark:#1d4ed8;--pri-100:#dbeafe;--pri-200:#bfdbfe;--pri-50:#eff6ff;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--radius:16px;--shadow:0 4px 24px rgba(0,0,0,.06);--shadow-lg:0 20px 50px rgba(0,0,0,.1);--transition:all .3s cubic-bezier(.4,0,.2,1)}
*,::before,::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Noto Sans SC',sans-serif;color:var(--gray-800);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:var(--transition);background:transparent}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.navbar .logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:#fff}
.navbar .logo i{font-size:1.4rem;color:var(--pri-200)}
.navbar .nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.navbar .nav-links a{color:rgba(255,255,255,.85);font-size:.9rem;font-weight:500;transition:color .2s;padding:6px 0}
.navbar .nav-links a:hover{color:#fff}
.navbar .nav-cta{background:#fff;color:var(--pri)!important;padding:10px 22px!important;border-radius:50px;font-weight:600!important}
.navbar .nav-cta:hover{box-shadow:0 10px 30px rgba(255,255,255,.3)}/* full */
.navbar .nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer}
.navbar .mobile-menu{display:none;margin-top:12px;padding:16px 0;flex-direction:column;gap:0;border-top:1px solid rgba(255,255,255,.15)}
.navbar .mobile-menu a{display:block;padding:12px 0;color:#fff;font-weight:500;font-size:.95rem}
@media(max-width:768px){.navbar .nav-links{display:none}.navbar .nav-toggle{display:block}.navbar .mobile-menu.open{display:flex}}
.navbar.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(20px);box-shadow:0 2px 20px rgba(0,0,0,.08);padding:10px 0}
.navbar.scrolled .logo,.navbar.scrolled .nav-links a,.navbar.scrolled .nav-toggle{color:var(--gray-800)}
.navbar.scrolled .nav-cta{background:var(--pri);color:#fff!important}
/* Hero */
.hero{position:relative;padding:160px 0 100px;background:linear-gradient(160deg,#1e1b4b 0%,var(--pri-dark) 40%,var(--pri) 100%);overflow:hidden;color:#fff}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(255,255,255,.06) 0%,transparent 50%),radial-gradient(ellipse at 70% 70%,rgba(255,255,255,.04) 0%,transparent 50%)}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:768px){.hero .container{grid-template-columns:1fr;text-align:center}.hero-img{display:none}}
.hero .badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);padding:8px 20px;border-radius:50px;font-size:.85rem;margin-bottom:24px}
.hero .badge .dot{width:8px;height:8px;background:#34d399;border-radius:50%;animation:pulse-dot 1.5s ease infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:3.2rem;font-weight:900;line-height:1.15;margin-bottom:20px}
.hero h1 span{color:var(--pri-200)}
.hero p{font-size:1.15rem;color:rgba(255,255,255,.75);margin-bottom:32px;max-width:500px}
.hero .hero-btns{display:flex;gap:16px;flex-wrap:wrap}
@media(max-width:768px){.hero .hero-btns{justify-content:center}}
.btn{padding:14px 32px;border-radius:50px;font-weight:700;font-size:1rem;display:inline-flex;align-items:center;gap:8px;cursor:pointer;transition:var(--transition);border:none}
.btn-primary{background:#fff;color:var(--pri)}
.btn-primary:hover{box-shadow:0 15px 40px rgba(255,255,255,.25);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.hero .hero-img img{border-radius:var(--radius);box-shadow:0 30px 80px rgba(0,0,0,.25)}
/* Section common */
.section{padding:100px 0}
@media(max-width:768px){.section{padding:60px 0}}
.section-header{text-align:center;margin-bottom:64px}
.section-tag{display:inline-block;padding:6px 18px;background:var(--pri-50);color:var(--pri);border-radius:50px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px}
.section-title{font-size:2.5rem;font-weight:900;color:var(--gray-900);margin-bottom:16px}
.section-desc{font-size:1.1rem;color:var(--gray-500);max-width:650px;margin:0 auto;line-height:1.7}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
@media(max-width:768px){.features-grid{grid-template-columns:1fr}}
.feature-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:40px 32px;transition:var(--transition);text-align:center}
.feature-card:hover{transform:translateY(-8px);box-shadow:0 25px 50px -12px rgba(79,70,229,.15);border-color:var(--pri-200)}
.feature-icon{width:64px;height:64px;background:var(--pri-50);border-radius:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;transition:var(--transition)}
.feature-card:hover .feature-icon{background:var(--pri)}
.feature-card:hover .feature-icon i{color:#fff}
.feature-icon i{font-size:1.6rem;color:var(--pri);transition:color .3s}
.feature-card h3{font-size:1.2rem;font-weight:700;margin-bottom:12px;color:var(--gray-900)}
.feature-card p{font-size:.92rem;color:var(--gray-500);line-height:1.7}
/* Stats */
.stats-section{background:linear-gradient(135deg,var(--pri) 0%,var(--pri-dark) 100%);padding:70px 0;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
.stat-number{font-size:3rem;font-weight:900;margin-bottom:6px}
.stat-label{font-size:.9rem;opacity:.7}
/* Testimonials */
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
@media(max-width:768px){.testimonials-grid{grid-template-columns:1fr}}
.testimonial-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:32px;transition:var(--transition)}
.testimonial-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.testimonial-stars{color:#f59e0b;margin-bottom:16px;font-size:.9rem}
.testimonial-card blockquote{font-size:.92rem;color:var(--gray-600);line-height:1.7;margin-bottom:20px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--gray-100)}
.testimonial-author img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.testimonial-author .name{font-weight:700;font-size:.9rem;color:var(--gray-800)}
.testimonial-author .role{font-size:.78rem;color:var(--gray-400)}
/* FAQ */
.faq-section{background:var(--gray-50)}
.faq-list{max-width:750px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item.active{box-shadow:0 4px 20px rgba(0,0,0,.05);border-color:var(--pri-200)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 28px;background:none;border:none;font-size:1.05rem;font-weight:600;color:var(--gray-800);cursor:pointer;text-align:left;gap:16px}
.faq-question i{color:var(--pri);transition:transform .35s}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer p{padding:0 28px 24px;color:var(--gray-500);line-height:1.7;font-size:.95rem}
/* CTA */
.cta-section{position:relative;padding:100px 0;background:linear-gradient(135deg,var(--pri-dark) 0%,var(--pri) 100%);overflow:hidden;text-align:center;color:#fff}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.05) 0%,transparent 70%)}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{font-size:2.8rem;font-weight:900;margin-bottom:16px}
.cta-section p{font-size:1.15rem;opacity:.8;max-width:600px;margin:0 auto 36px}
.cta-section .btn-primary{background:#fff;color:var(--pri)}
.cta-section .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
/* Footer */
.footer{background:var(--gray-900);color:#fff;padding:80px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-brand p{color:var(--gray-400);font-size:.9rem;line-height:1.7;margin-top:16px;max-width:280px}
.footer h4{font-size:1rem;font-weight:700;margin-bottom:20px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul a{color:var(--gray-400);font-size:.88rem;transition:color .2s}
.footer ul a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:.85rem;color:var(--gray-500)}
@media(max-width:768px){.footer-bottom{flex-direction:column;text-align:center}}
/* Page header for sub-pages */
.page-header{position:relative;padding:150px 0 80px;background:linear-gradient(160deg,#1e1b4b 0%,var(--pri-dark) 40%,var(--pri) 100%);color:#fff;text-align:center}
.page-header h1{font-size:2.5rem;font-weight:900}
.page-header p{font-size:1.05rem;opacity:.75;margin-top:12px}
/* About page */
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:768px){.about-content{grid-template-columns:1fr}}
.about-content h2{font-size:2rem;font-weight:800;margin-bottom:16px}
.about-content p{color:var(--gray-500);line-height:1.8;margin-bottom:16px}
.about-content img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
/* Services page */
.services-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:768px){.services-list{grid-template-columns:1fr}}
.service-item{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:28px;display:flex;gap:20px;align-items:flex-start;transition:var(--transition)}
.service-item:hover{box-shadow:var(--shadow-lg);border-color:var(--pri-200)}
.service-item i{font-size:1.8rem;color:var(--pri);flex-shrink:0;margin-top:4px}
.service-item h3{font-weight:700;margin-bottom:6px}
.service-item p{color:var(--gray-500);font-size:.9rem;line-height:1.6}
/* Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}}
.contact-info h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.contact-info p{color:var(--gray-500);line-height:1.7;margin-bottom:24px}
.contact-detail{display:flex;align-items:center;gap:14px;margin-bottom:18px;font-size:.95rem}
.contact-detail i{width:44px;height:44px;background:var(--pri-50);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--pri);font-size:1.1rem;flex-shrink:0}
.contact-form input,.contact-form textarea{width:100%;padding:14px 18px;border:1px solid var(--gray-200);border-radius:12px;font-size:.95rem;margin-bottom:16px;font-family:inherit;transition:border-color .2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-100)}
.contact-form textarea{resize:vertical;min-height:140px}
.contact-form button{width:100%}
/* Active nav state */
.nav-links a.active{color:#fff!important;font-weight:700}
.navbar.scrolled .nav-links a.active{color:var(--pri)!important}