.section{padding:58px 0;}
.section-head{text-align:center;margin-bottom:28px;}
.section-title{font-size:32px;font-weight:900;color:#172942;margin-bottom:8px;}
.section-desc{font-size:18px;color:#77869b;margin-bottom:0;}
.title-line{width:42px;height:3px;background:var(--blue);border-radius:20px;margin:12px auto 0;}

.plan-card{height:100%;border:1px solid #c8def9;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 8px 22px rgba(0,100,240,.06);transition:all .25s ease;display:block;}
.plan-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,100,240,.14);border-color:#9cc5ff;}
.plan-img{position:relative;height:185px;overflow:hidden;background:#edf7ff;}
.plan-img img{width:100%;height:100%;object-fit:cover;}
.plan-num{position:absolute;left:22px;top:16px;color:var(--blue);font-size:28px;font-weight:900;font-style:italic;z-index:2;}
.plan-body{padding:22px 26px 25px;}
.plan-body h3{font-size:24px;font-weight:900;color:#172942;margin-bottom:14px;}
.plan-body ul{padding:0;margin:0 0 18px;list-style:none;color:#44556c;font-size:14px;line-height:2;}
.plan-body li::before{content:"•";color:var(--blue);margin-right:8px;font-weight:bold;}
.more-link{color:var(--blue);font-size:14px;font-weight:800;display:inline-flex;align-items:center;gap:10px;}
.tips{margin-top:18px;text-align:center;color:#7b8ba0;font-size:15px;}
.tips i{color:var(--blue);margin-right:6px;font-size:20px;}

.service-title{font-size:30px;font-weight:900;color:#172942;margin-bottom:8px;padding-top:30px;}
.service-desc{color:#718299;font-size:17px;}
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:34px;}
.flow-item{text-align:center;position:relative;}
.flow-item:not(:last-child)::after{content:"›";position:absolute;right:-25px;top:28px;color:var(--blue);font-size:36px;font-weight:300;}
.flow-icon{width:72px;height:72px;border-radius:50%;border:1px solid #c9e0ff;background:#fff;color:var(--blue);margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:30px;box-shadow:0 10px 22px rgba(0,100,240,.08);}
.flow-name{font-size:16px;font-weight:900;color:#1f314b;margin-bottom:6px;}
.flow-text{font-size:14px;color:#7b8da3;}

.knowledge{padding:35px 0 54px;background:linear-gradient(180deg,#fff 0%,#f6fbff 100%);}
.knowledge-box{border-radius:22px;overflow:hidden;background:rgba(255,255,255,.9);box-shadow:0 12px 34px rgba(40,100,180,.10);}
.knowledge-left{height:100%;padding:32px 26px;background:linear-gradient(135deg,#f1f8ff,#fff);border-right:1px solid #edf4fc;}
.knowledge-left h3{font-size:27px;font-weight:900;margin-bottom:10px;color:#172942;}
.knowledge-left p{color:#7a8ba1;margin-bottom:24px;}
.article-card{height:100%;display:block;padding:32px 30px 28px;background:rgba(255,255,255,.58);border-left:1px solid #edf4fc;transition:.2s;}
.article-card:hover{background:#fff;transform:translateY(-3px);}
.article-card h4{font-size:17px;line-height:1.55;font-weight:900;color:#1e304b;margin-bottom:15px;}
.article-card p{font-size:14px;color:#68798e;line-height:1.8;min-height:50px;margin-bottom:18px;}
.date{font-size:15px;color:#91a0b4;}