/* jiemensoft.cn 统一样式 v1.0 - 2026-10-25 */
:root{
  --primary:#1a5fb4; --primary-dark:#0b2545; --accent:#e8b339;
  --bg:#f5f7fa; --card:#ffffff; --text:#2b2f36; --muted:#6b7280;
  --border:#e5e7eb; --radius:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* 布局容器 */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.site-header{background:var(--primary-dark);position:sticky;top:0;z-index:100}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{color:#fff;font-size:20px;font-weight:700}
.logo small{display:block;font-size:11px;font-weight:400;color:#9db2d0;letter-spacing:1px}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:#c9d6ea;font-size:15px}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,#123a70 60%,#1a5fb4 100%);color:#fff;padding:72px 0}
.hero h1{font-size:38px;line-height:1.35;margin-bottom:16px}
.hero p{font-size:17px;color:#c9d6ea;max-width:720px}
.hero .sub{margin-top:14px;font-size:14px;color:#8fa9c9}
.cta-row{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 26px;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:#0b2545}
.btn-primary:hover{background:#f0c257;text-decoration:none}
.btn-ghost{background:transparent;border:1px solid #6b8cb3;color:#e6eefb}
.btn-ghost:hover{background:rgba(255,255,255,.08);text-decoration:none}

/* 区块 */
.section{padding:60px 0}
.section h2{font-size:28px;margin-bottom:8px;color:var(--primary-dark)}
.section .lead{color:var(--muted);margin-bottom:32px;font-size:15px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* 业务报价 */
.price-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;border-top:3px solid var(--primary)}
.price-card h3{font-size:19px;margin-bottom:6px}
.price-card .price{color:var(--primary);font-size:24px;font-weight:700;margin:10px 0}
.price-card .price small{font-size:13px;color:var(--muted);font-weight:400}
.price-card ul{list-style:none;margin-top:12px;font-size:14px;color:var(--muted)}
.price-card ul li{padding:4px 0;border-bottom:1px dashed var(--border)}
.price-card ul li:last-child{border-bottom:none}

/* 页脚 */
.site-footer{background:var(--primary-dark);color:#c9d6ea;padding:40px 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:12px}
.site-footer a{color:#9db2d0}
.site-footer .icp{margin-top:20px;font-size:12px;color:#6b7f9c;border-top:1px solid #1d3a66;padding-top:14px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:14px;margin-bottom:5px;color:var(--text)}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:15px;font-family:inherit}
.btn-submit{background:var(--primary);color:#fff;padding:11px 30px;border:none;border-radius:6px;font-size:15px;cursor:pointer}
.btn-submit:hover{background:var(--primary-dark)}

/* 博客 */
.blog-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:18px}
.blog-item h3{margin-bottom:8px}
.blog-item .date{font-size:13px;color:var(--muted);margin-bottom:8px}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:20px}
.article{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px}
.article h1{font-size:28px;margin-bottom:10px}
.article h2{font-size:21px;margin:28px 0 12px}
.article p{margin-bottom:14px}
.article ul,.article ol{margin:0 0 14px 22px}

/* 响应式 */
@media (max-width:768px){
  .hero h1{font-size:28px}
  .hero{padding:48px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--primary-dark);flex-direction:column;padding:16px 20px;gap:16px}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
}
@media (max-width:375px){
  .hero h1{font-size:24px}
}