/* ===== 友创官网 - 共享样式 ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;color:#333;background:#fff;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.text-center{text-align:center}

/* TopBar */
.topbar{background:#0d47a1;color:rgba(255,255,255,.7);font-size:12px;padding:7px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.topbar a{color:#93c5fd}
.topbar a:hover{#2196f3}

/* Header */
.header{background:#fff;border-bottom:1px solid #e8e8e8;padding:15px 0}
.header .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.header .logo-box{display:flex;align-items:center;gap:10px}
.header .logo-box img{height:48px}
.header .logo-box .slogan{font-size:11px;color:#999;margin-top:3px}
.header .contact{text-align:right}
.header .contact .phone{font-size:24px;font-weight:700;color:#1565c0}
.header .contact .phone i{margin-right:6px}
.header .contact p{font-size:12px;color:#999;margin-top:2px}
.header .contact p i{color:#2196f3;margin-right:4px}

/* Nav */
.nav{background:linear-gradient(90deg,#0d47a1,#1565c0);position:sticky;top:0;z-index:100}
.nav .container{display:flex;justify-content:space-between;align-items:center}
.nav ul{display:flex}
.nav li{position:relative}
.nav li a{display:block;padding:15px 28px;color:#cbd5e1;font-size:15px;transition:.3s}
.nav li a:hover,.nav li.active>a{background:rgba(255,255,255,.08);color:#fff}
.nav li .dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:160px;box-shadow:0 4px 20px rgba(0,0,0,.1);z-index:200;border-radius:0 0 6px 6px}
.nav li:hover .dropdown{display:block}
.nav li .dropdown a{color:#333;padding:10px 20px;font-size:14px;background:#fff;white-space:nowrap}
.nav li .dropdown a:hover{background:#f5f5f5;color:#0d47a1}

/* CTA */
.cta{background:linear-gradient(135deg,#0d47a1,#1565c0);color:#fff;text-align:center;padding:50px 20px}
.cta h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta .phone-big{font-size:34px;font-weight:800;color:#2196f3;display:inline-block;margin:10px 0 4px}
.cta .phone-big:hover{text-decoration:underline}
.cta p{opacity:.7;font-size:14px}

/* Footer */
footer{background:#0a1929;color:#8b99a8;padding:40px 20px 32px;font-size:13px;line-height:1.9}
footer .container{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#d1d5db;font-size:14px;margin-bottom:12px}
footer a{color:#748fa3;display:block}
footer a:hover{#2196f3}
footer .brand{font-size:15px;color:#d1d5db;font-weight:600;margin-bottom:6px}
footer .copyright{text-align:center;padding-top:24px;margin-top:24px;border-top:1px solid rgba(255,255,255,.06);font-size:12px;grid-column:1/-1}
footer .copyright a{display:inline;color:#748fa3}

/* Section */
section{padding:64px 0}
section.bg{background:#f8f9fa}
section h2{font-size:28px;color:#0d47a1;text-align:center;font-weight:700;margin-bottom:4px}
section .st{text-align:center;color:#999;font-size:14px;margin-bottom:36px}

/* Page Banner (inner pages) */
.page-banner{background:linear-gradient(135deg,#0d47a1,#1565c0 50%,#1976d2);color:#fff;padding:60px 0 50px;text-align:center}
.page-banner h1{font-size:32px;font-weight:700;margin-bottom:6px}
.page-banner p{font-size:14px;opacity:.7}
.page-banner .breadcrumb{margin-top:14px;font-size:13px;opacity:.55}
.page-banner .breadcrumb a{color:#93c5fd}
.page-banner .breadcrumb a:hover{#2196f3}
.page-banner .breadcrumb span{color:rgba(255,255,255,.5)}
/* banner 按钮（立即咨询 / 免费体验） */
.page-banner .banner-btns{margin-top:22px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.page-banner .banner-btns a{display:inline-block;min-width:150px;padding:12px 34px;font-size:16px;font-weight:600;border-radius:6px;text-decoration:none;transition:.25s}
.page-banner .banner-btns .btn-consult{background:#ffb400;color:#1a1a1a;box-shadow:0 4px 14px rgba(255,180,0,.35)}
.page-banner .banner-btns .btn-consult:hover{background:#ffc933;transform:translateY(-2px)}
.page-banner .banner-btns .btn-trial{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.85)}
.page-banner .banner-btns .btn-trial:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* Card */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{border-radius:10px;overflow:hidden;border:1px solid #eee;transition:.4s;background:#fff}
.card:hover{border-#2196f3;box-shadow:0 8px 30px rgba(13,71,161,.15);transform:translateY(-4px)}
.card .thumb{height:160px;display:flex;align-items:center;justify-content:center;font-size:48px}
.card .info{padding:20px}
.card .info h3{font-size:17px;color:#0d47a1;margin-bottom:8px}
.card .info p{font-size:13px;color:#666;line-height:1.7;margin-bottom:14px}
.card .info .btn-sm{display:inline-block;padding:7px 22px;border-radius:20px;border:1px solid #2196f3;color:#2196f3;font-size:13px;transition:.3s}
.card .info .btn-sm:hover{background:#2196f3;color:#fff}

/* Tags */
.tag-cloud{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.tag-cloud span{background:#fff;border:1px solid #ddd;padding:8px 24px;border-radius:24px;font-size:13px;color:#555;transition:.3s;cursor:default}
.tag-cloud span:hover{border-#2196f3;color:#0d47a1;background:#e3f2fd}

/* Feature List */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature-card{background:#fff;border-radius:8px;padding:28px;border:1px solid #eee;transition:.3s}
.feature-card:hover{border-#2196f3}
.feature-card h3{font-size:17px;color:#0d47a1;margin-bottom:8px}
.feature-card h3 i{#2196f3;margin-right:8px}
.feature-card p{font-size:13px;color:#666;line-height:1.7}
.feature-card ul{margin-top:8px}
.feature-card ul li{font-size:13px;color:#555;padding:4px 0 4px 20px;position:relative;line-height:1.7}
.feature-card ul li::before{content:'✓';position:absolute;left:0;#2196f3;font-weight:700}

/* Detail content */
.detail-wrap{max-width:860px;margin:0 auto}
.detail-wrap p{font-size:14px;color:#555;line-height:1.9;margin-bottom:14px}
.detail-wrap h3{font-size:20px;color:#0d47a1;margin:30px 0 12px;padding-bottom:8px;border-bottom:2px solid #2196f3}
.detail-wrap h4{font-size:16px;color:#0d47a1;margin:20px 0 8px}
.detail-wrap ul{margin:10px 0 16px}
.detail-wrap ul li{font-size:13px;color:#555;padding:5px 0 5px 22px;position:relative;line-height:1.7}
.detail-wrap ul li::before{content:'›';position:absolute;left:0;#2196f3;font-weight:700;font-size:18px}

/* Table */
.table-wrap{overflow-x:auto;margin:20px 0}
.table-wrap table{width:100%;border-collapse:collapse;font-size:13px}
.table-wrap table th,.table-wrap table td{padding:12px 14px;border:1px solid #e0e0e0;text-align:left}
.table-wrap table th{background:#0d47a1;color:#fff;font-weight:600}
.table-wrap table tr:nth-child(even){background:#f8f9fa}
.table-wrap table tr:hover{background:#e3f2fd}

/* Steps */
.steps{display:flex;gap:14px;margin:24px 0;flex-wrap:wrap}
.steps .step{flex:1;min-width:160px;background:#fff;border:1px solid #eee;border-radius:8px;padding:20px;text-align:center}
.steps .step .num{width:36px;height:36px;background:#0d47a1;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-weight:700}
.steps .step h4{font-size:14px;color:#0d47a1;margin-bottom:6px}
.steps .step p{font-size:12px;color:#888}

/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #eee;border-radius:6px;margin-bottom:8px;overflow:hidden}
.faq-q{padding:14px 20px;font-weight:600;color:#0d47a1;background:#e8eaf6;font-size:14px}
.faq-a{padding:14px 20px;color:#555;font-size:13px;line-height:1.8}

/* Price section */
.price-box{background:linear-gradient(135deg,#e3f2fd,#bbdefb);border:1px solid #90caf9;border-radius:10px;padding:30px;text-align:center;margin:24px 0}
.price-box .amount{font-size:36px;font-weight:800;#2196f3}
.price-box p{color:#555;font-size:13px;margin-top:6px}
.price-box .btn-blue{display:inline-block;padding:12px 36px;border-radius:30px;font-weight:600;font-size:14px;background:#2196f3;color:#fff;margin-top:14px;transition:.3s}
.price-box .btn-blue:hover{background:#42a5f5}

@media(max-width:900px){
    .card-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}
    footer .container{grid-template-columns:1fr 1fr}
    .steps{flex-direction:column}
}
@media(max-width:640px){
    .card-grid,.feature-grid{grid-template-columns:1fr}
    footer .container{grid-template-columns:1fr}
    .header .contact .phone{font-size:18px}
    .nav .container{overflow-x:auto}
    .nav ul{flex-wrap:nowrap}
    .nav li a{padding:12px 16px;font-size:13px;white-space:nowrap}
    .cta .phone-big{font-size:24px}
    .page-banner h1{font-size:24px}
}