/* ══════════════════════════════════════════ RESET & BASE */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1a56db;--primary-dark:#1e40af;--primary-light:#dbeafe;
  --accent:#f59e0b;--accent-dark:#d97706;--success:#10b981;
  --dark:#111827;--gray:#374151;--light:#f3f4f6;--white:#fff;
  --radius:12px;--shadow:0 4px 20px rgba(0,0,0,.08);
}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--dark);line-height:1.7;background:#fff;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ══════════════════════════════════════════ NAVBAR */
.navbar{position:sticky;top:0;z-index:1000;background:#fff;
  box-shadow:0 1px 8px rgba(0,0,0,.06);border-bottom:1px solid #eee}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;height:64px;gap:32px}
.logo{font-size:1.3rem;font-weight:700;color:var(--primary);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto;flex-wrap:wrap}
.nav-links a{color:#555;font-size:.95rem;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary);font-weight:600}
.nav-cta{background:var(--primary)!important;color:#fff!important;
  padding:6px 18px;border-radius:20px!important;font-weight:600}
.nav-cta:hover{background:var(--primary-dark)!important}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;margin-left:auto}
.mobile-menu{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;
  box-shadow:0 4px 12px rgba(0,0,0,.1);padding:12px;z-index:999}
.mobile-menu a{display:block;padding:12px 16px;border-bottom:1px solid #eee;color:#555}
.mobile-menu.hidden{display:none}
@media(max-width:768px){
  .nav-links{display:none}
  .mobile-menu-btn{display:block}
}

/* ══════════════════════════════════════════ PAGE HERO */
.page-hero{background:linear-gradient(135deg,#1a56db 0%,#7c3aed 100%);
  color:#fff;text-align:center;padding:80px 24px}
.page-hero h1{font-size:2.5rem;margin-bottom:12px}
.page-hero p{font-size:1.1rem;opacity:.9}

/* ══════════════════════════════════════════ HERO */
.hero{position:relative;background:linear-gradient(135deg,#1a56db 0%,#4f46e5 50%,#7c3aed 100%);
  color:#fff;padding:80px 24px 100px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero-content{max-width:1200px;margin:0 auto;display:grid;
  grid-template-columns:1fr 400px;gap:60px;align-items:center}
.hero-title{font-size:3.2rem;font-weight:800;line-height:1.3;margin-bottom:20px}
.hero-title span{color:#fbbf24}
.hero-desc{font-size:1.1rem;opacity:.9;margin-bottom:24px;max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.hero-badges span{background:rgba(255,255,255,.15);padding:5px 14px;border-radius:20px;font-size:.9rem}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{background:#fff;color:var(--primary);padding:14px 32px;border-radius:var(--radius);
  font-weight:700;display:inline-flex;align-items:center;gap:8px;
  transition:transform .2s,box-shadow .2s;font-size:1rem}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.btn-secondary{background:rgba(255,255,255,.15);color:#fff;padding:14px 28px;border-radius:var(--radius);
  font-weight:600;display:inline-flex;align-items:center;gap:8px;border:1.5px solid rgba(255,255,255,.3)}
.btn-lg{padding:16px 40px;font-size:1.1rem}
.hero-phone{background:rgba(255,255,255,.1);border-radius:24px;padding:40px;
  text-align:center;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2)}
.phone-text{color:#fff;margin-top:20px}
.phone-title{font-size:1.4rem;font-weight:700}
.phone-desc{font-size:.95rem;opacity:.8}
@media(max-width:900px){
  .hero-content{grid-template-columns:1fr}
  .hero-phone{display:none}
  .hero-title{font-size:2.2rem}
}

/* ══════════════════════════════════════════ STATS */
.stats{background:#fff;margin-top:-40px;position:relative;z-index:2;padding:0 24px}
.stats-grid{max-width:1000px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.stat-item{text-align:center;padding:32px 20px;border-right:1px solid #eee}
.stat-item:last-child{border-right:none}
.stat-num{font-size:2.2rem;font-weight:800;color:var(--primary)}
.stat-label{color:#888;font-size:.9rem;margin-top:4px}
@media(max-width:600px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-bottom:1px solid #eee}
}

/* ══════════════════════════════════════════ SECTIONS */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:56px}
.section-header h2{font-size:2.2rem;color:var(--dark);margin-bottom:12px}
.section-header p{color:#888;font-size:1.05rem}

/* WHY */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.why-card{background:#fff;border-radius:var(--radius);padding:36px 28px;
  box-shadow:0 2px 16px rgba(0,0,0,.05);border:1px solid #f0f0f0;
  transition:transform .2s,box-shadow .2s}
.why-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.1)}
.why-icon{font-size:2.5rem;margin-bottom:16px}
.why-card h3{font-size:1.15rem;margin-bottom:10px;color:var(--dark)}
.why-card p{color:#666;font-size:.92rem;line-height:1.7}
@media(max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.why-grid{grid-template-columns:1fr}}

/* SERVICES */
.services-section{background:var(--light)}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.service-card{background:#fff;border-radius:var(--radius);padding:32px 24px;
  text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.05);
  transition:transform .2s;border:2px solid transparent}
.service-card:hover{transform:translateY(-4px);border-color:var(--primary)}
.service-card.featured{border-color:var(--accent);position:relative}
.service-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;padding:2px 14px;border-radius:10px;font-size:.8rem;font-weight:700}
.service-icon{font-size:3rem;margin-bottom:16px}
.service-card h3{font-size:1.1rem;margin-bottom:10px}
.service-card p{color:#666;font-size:.88rem;line-height:1.6;margin-bottom:16px}
.service-price{font-size:1.3rem;font-weight:800;color:var(--primary)}
@media(max-width:900px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.services-grid{grid-template-columns:1fr}}

/* SCREENSHOTS */
.screenshots{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.screenshot-card{text-align:center}
.screenshot-img{background:linear-gradient(135deg,#1a56db,#7c3aed);
  color:#fff;font-size:4rem;display:flex;align-items:center;justify-content:center;
  height:260px;border-radius:20px;margin-bottom:12px}
.screenshot-card p{font-size:.9rem;color:#555}
@media(max-width:900px){.screenshots{grid-template-columns:repeat(2,1fr)}}
@media(max-width:500px){.screenshots{grid-template-columns:1fr}}

/* CTA */
.cta-section{background:linear-gradient(135deg,#1a56db 0%,#4f46e5 100%);
  color:#fff;text-align:center;padding:80px 24px}
.cta-section h2{font-size:2.2rem;margin-bottom:12px}
.cta-section p{opacity:.85;margin-bottom:32px;font-size:1.05rem}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.cta-url{font-size:.9rem;opacity:.7}
.cta-url a{color:#fbbf24;text-decoration:underline}

/* FEATURES PAGE */
.feature-list{display:flex;flex-direction:column;gap:64px}
.feature-row{display:grid;grid-template-columns:1fr 300px;gap:60px;align-items:center}
.feature-row.reverse{grid-template-columns:300px 1fr}
.feature-row.reverse .feature-text{order:2}
.feature-row.reverse .feature-img{order:1}
.feature-text h3{font-size:1.6rem;margin-bottom:16px;color:var(--dark)}
.feature-text p{color:#555;line-height:1.8;margin-bottom:20px}
.feature-text ul{list-style:none}
.feature-text li{color:#555;padding:6px 0;font-size:.95rem}
.feature-img{font-size:5rem;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#dbeafe,#ede9fe);border-radius:24px;height:220px}
@media(max-width:768px){
  .feature-row,.feature-row.reverse{grid-template-columns:1fr}
  .feature-row.reverse .feature-text,.feature-row.reverse .feature-img{order:unset}
}

/* ABOUT */
.about-content{max-width:860px}
.about-company h2,.about-values h3,.about-business h3,.about-info h3{font-size:1.6rem;margin:40px 0 16px}
.about-company p,.about-content p{color:#555;line-height:1.9;margin-bottom:16px}
.values-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.value-card{background:var(--light);padding:24px;border-radius:var(--radius)}
.value-card h4{color:var(--primary);margin-bottom:8px}
.business-list{list-style:none}
.business-list li{padding:10px 0;border-bottom:1px solid #eee;color:#555;font-size:.95rem}
.info-table{width:100%;border-collapse:collapse;margin-top:16px}
.info-table td{padding:12px 16px;border:1px solid #eee;font-size:.95rem;color:#555}
.info-table td:first-child{background:#f8fafc;font-weight:600;color:var(--dark);width:30%}

/* LEGAL */
.legal-content{max-width:800px}
.legal-content p,.legal-content li{color:#444;line-height:1.9;margin-bottom:12px}
.legal-content h2{font-size:1.3rem;color:var(--dark);margin:36px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.legal-content ol,.legal-content ul{padding-left:28px;margin-bottom:16px}
.legal-content li{margin-bottom:8px}
.last-updated{color:#888;font-size:.88rem;margin-bottom:32px!important}
.company-info{margin-top:40px;padding-top:24px;border-top:1px solid #eee;color:#888;font-size:.9rem}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1000px;margin:0 auto}
.contact-cards{display:flex;flex-direction:column;gap:20px}
.contact-card{background:#fff;border:1px solid #eee;border-radius:var(--radius);
  padding:28px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.contact-icon{font-size:2.5rem;margin-bottom:12px}
.contact-card h3{font-size:1rem;color:var(--dark);margin-bottom:8px}
.contact-value{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:4px}
.contact-desc{color:#888;font-size:.88rem}
.contact-form-wrap h3{font-size:1.3rem;margin-bottom:24px;color:var(--dark)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;margin-bottom:6px;color:var(--dark);font-size:.95rem}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 16px;border:1.5px solid #e5e7eb;border-radius:8px;
  font-size:.95rem;font-family:inherit;transition:border-color .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--primary)}
.form-group textarea{resize:vertical;min-height:120px}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}}

/* FOOTER */
.footer{background:#1a1a2e;color:rgba(255,255,255,.7);padding:60px 0 0;margin-top:0}
.footer-grid{max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col p,.footer-col a{display:block;line-height:2;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding:24px;border-top:1px solid rgba(255,255,255,.1);
  text-align:center;font-size:.85rem;line-height:1.8}
.footer-bottom p:first-child{color:rgba(255,255,255,.9)}
.footer-bottom p:last-child{color:rgba(255,255,255,.5)}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr}
}