*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#2a2f36;background:#f7f8fa;line-height:1.75}
a{color:#2563eb;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:960px;margin:0 auto;padding:0 16px}

header{background:#fff;border-bottom:1px solid #e8eaee}
.nav{display:flex;align-items:center;justify-content:space-between;height:56px;flex-wrap:wrap}
.brand{font-size:20px;font-weight:700;color:#111827}
.brand span{color:#2563eb}
nav a{margin-left:16px;color:#4b5563;font-size:15px}

.hero{background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff;padding:64px 0 72px;text-align:center}
.hero h1{font-size:32px;line-height:1.4;margin-bottom:16px}
.hero .sub{font-size:16px;opacity:.92;margin-bottom:28px}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.btn{display:inline-block;padding:12px 24px;border-radius:8px;font-size:16px;font-weight:600;border:none;cursor:pointer;text-decoration:none!important}
.btn-primary{background:#f59e0b;color:#1f2937}
.btn-primary:hover{background:#fbbf24}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.5)}

section{padding:48px 0}
h2{font-size:24px;margin-bottom:24px;text-align:center}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:#fff;border:1px solid #e8eaee;border-radius:10px;padding:24px}
.card h3{font-size:17px;margin-bottom:8px;color:#1e3a8a}

.pains{background:#fff}
.pains-note{text-align:center;margin-top:20px;color:#6b7280}

.cases-teaser{background:#fff}
.case-list{list-style:none;max-width:640px;margin:0 auto}
.case-list li{padding:12px 0;border-bottom:1px dashed #e5e7eb}

.contact{background:#eef2f7}
.contact-box{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;max-width:720px;margin:0 auto}
.contact-box>div{background:#fff;border:1px solid #e8eaee;border-radius:10px;padding:28px;text-align:center}
.weixin{font-size:24px;font-weight:700;color:#1e3a8a;letter-spacing:1px;margin:8px 0 16px}
.price-hint{text-align:center;margin-top:24px;color:#6b7280;font-size:14px}

footer{background:#111827;color:#9ca3af;padding:24px 0;text-align:center;font-size:13px}
footer a{color:#9ca3af}

@media(max-width:600px){
  .hero h1{font-size:26px}
  nav a{margin-left:10px;font-size:14px}
  .weixin{font-size:20px}
}

/* 模板页 */
.tpl-intro{text-align:center;margin-bottom:28px;color:#6b7280}
.tpl-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.tpl-desc{margin-bottom:10px;font-size:15px}
.tpl-meta{font-size:13px;color:#6b7280;margin-bottom:14px}
.tpl-cta{margin-top:48px;background:#fff;border:1px solid #e8eaee;border-radius:10px;padding:32px;text-align:center}
.tpl-cta h2{margin-bottom:12px}
.tpl-cta p{margin-bottom:20px}
.btn-ghost-dark{background:#fff;color:#1e3a8a;border:1px solid #1e3a8a}

/* 案例页 */
.case-detail{background:#fff;border:1px solid #e8eaee;border-radius:10px;padding:28px;margin-bottom:16px;max-width:720px;margin-left:auto;margin-right:auto}
.case-detail h3{font-size:19px;color:#1e3a8a;margin-bottom:12px}
.case-bg,.case-do,.case-rs{margin-bottom:8px;font-size:15px}
.case-rs strong{color:#059669}

/* 流程页 */
.steps{max-width:720px;margin:0 auto 40px;padding-left:24px}
.steps li{margin-bottom:14px;font-size:15px}

/* FAQ页 */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #e8eaee;border-radius:10px;padding:20px 24px;margin-bottom:12px}
.faq-item h3{font-size:16px;color:#1e3a8a;margin-bottom:8px}
.faq-item p{font-size:15px}

/* ERP产品页 */
.demo-box{max-width:560px;margin:0 auto;background:#fff;border:2px solid #2563eb;border-radius:12px;padding:28px;text-align:center}
.demo-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.demo-label{font-weight:600;color:#6b7280;min-width:40px}
.demo-row code{font-size:18px;font-weight:600;color:#1e3a8a;background:#eef2f7;padding:4px 12px;border-radius:6px}
.copy-btn{border:1px solid #2563eb;color:#2563eb;background:#fff;border-radius:6px;padding:4px 12px;font-size:13px;cursor:pointer}
.demo-note{font-size:13px;color:#6b7280;margin:14px 0 18px}