.about-section{padding:56px 0;border-bottom:1px solid #e8eef3}
.about-section:last-child{border-bottom:none}
.about-section h2{font-size:27px;color:#0072bc;margin-bottom:6px;font-weight:700}
.about-section .sub{font-size:13px;color:#0072bc;opacity:.75;margin-bottom:24px;letter-spacing:1px;text-transform:uppercase}
.about-section h3{font-size:20px;color:#222;margin:26px 0 12px;font-weight:600}
.about-section p{font-size:15px;line-height:1.85;color:#444;margin-bottom:14px}
.about-section ul{margin:14px 0;padding-left:20px}
.about-section li{font-size:15px;line-height:1.85;color:#444;margin-bottom:8px}
.about-section strong{color:#1a1a1a}
.about-intro{background:#f5f9fd}
.intro-wrap{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.intro-text{flex:1 1 52%}
.intro-text .pos{background:#fff;border-left:4px solid #0072bc;padding:16px 18px;border-radius:0 8px 8px 0;margin:18px 0;color:#333;font-size:14.5px;line-height:1.8}
.intro-stats{flex:1 1 34%;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{background:#fff;border:1px solid #e6eef5;border-radius:10px;padding:22px 16px;text-align:center;box-shadow:0 2px 10px rgba(0,114,188,.06)}
.stat-card .num{font-size:34px;font-weight:700;color:#0072bc;line-height:1}
.stat-card .label{font-size:13px;color:#555;margin-top:8px}
.timeline{position:relative;margin-top:30px}
.timeline::before{content:"";position:absolute;left:118px;top:0;bottom:0;width:2px;background:#d6e6f3}
.tl-item{position:relative;display:flex;align-items:flex-start;margin-bottom:26px}
.tl-year{width:118px;flex:0 0 118px;font-weight:700;color:#0072bc;font-size:18px;padding-top:2px}
.tl-dot{position:absolute;left:111px;top:5px;width:16px;height:16px;border-radius:50%;background:#0072bc;border:3px solid #fff;box-shadow:0 0 0 2px #0072bc}
.tl-body{margin-left:42px;background:#fff;border:1px solid #e6eef5;border-radius:8px;padding:16px 20px;flex:1}
.tl-body h4{margin:0 0 6px;font-size:16px;color:#222}
.tl-body p{margin:0;font-size:14px;color:#555}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px}
.about-card{background:#fff;border:1px solid #e6eef5;border-radius:10px;padding:24px;transition:.2s}
.about-card:hover{box-shadow:0 6px 18px rgba(0,114,188,.12);border-color:#cfe2f2}
.about-card h4{font-size:17px;color:#0072bc;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.about-card h4::before{content:"";width:9px;height:9px;border-radius:50%;background:#0072bc;display:inline-block;flex:0 0 9px}
.about-card p{font-size:14px;color:#555;margin-bottom:0}
.img-gallery{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.img-gallery img{width:100%;border-radius:10px;border:1px solid #e6eef5;display:block}
.qc-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.qc-step{background:#fff;border:1px solid #e6eef5;border-radius:10px;padding:18px;text-align:center}
.qc-step .n{display:inline-flex;width:34px;height:34px;border-radius:50%;background:#0072bc;color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:10px}
.qc-step h4{font-size:15px;color:#222;margin:0 0 6px}
.qc-step p{font-size:13px;color:#555;margin:0}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:26px}
.step{background:#f5f9fd;border:1px solid #e6eef5;border-radius:10px;padding:18px 12px;text-align:center}
.step .num{width:30px;height:30px;line-height:30px;border-radius:50%;background:#0072bc;color:#fff;font-weight:700;margin:0 auto 10px}
.step h4{font-size:14px;color:#222;margin:0 0 6px}
.step p{font-size:12.5px;color:#555;margin:0}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px}
.adv-card{background:#fff;border:1px solid #e6eef5;border-top:3px solid #0072bc;border-radius:10px;padding:24px}
.adv-card h4{font-size:16px;color:#0072bc;margin:0 0 8px}
.adv-card p{font-size:14px;color:#555;margin:0}
@media (max-width:768px){.about-grid,.adv-grid,.qc-flow{grid-template-columns:1fr 1fr}
.img-gallery,.intro-wrap{grid-template-columns:1fr}
.intro-stats{width:100%}
.timeline::before{left:78px}
.tl-year{width:78px;flex-basis:78px}
.tl-dot{left:71px}
}
@media (max-width:480px){.about-grid,.adv-grid,.qc-flow{grid-template-columns:1fr}
}