:root{--accent:#1E90FF;--text:#fff;--radius:16px;}
.study-sec{max-width:1280px;margin:0 auto;padding:8px 28px 0;}
.section-title{text-align:center;font-size:40px;font-weight:800;margin:0 0 12px;}
.section-title::after{content:"";display:block;width:64px;height:4px;margin:12px auto 0;border-radius:4px;background:var(--accent);}
.study-swiper{position:relative;padding:8px 0 32px;overflow:visible;}
.study-swiper .swiper-slide{width:340px;display:flex;}
.study-card{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 18px rgba(16,24,40,.12);}
.study-card img{width:100%;height:220px;object-fit:cover;display:block;}
.dot{position:absolute;top:12px;right:12px;width:8px;height:8px;border-radius:50%;background:var(--accent);z-index:3;}
.overlay{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(10,12,28,0) 40%,rgba(10,12,28,.5) 70%,rgba(10,12,28,.8) 100%);}
.top{position:absolute;left:16px;top:16px;}
.country{font-size:20px;font-weight:800;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.35);}
.bottom-actions{position:absolute;left:16px;right:16px;bottom:16px;display:flex;gap:10px;align-items:flex-end;}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 18px;font-size:14px;font-weight:700;border-radius:999px;text-decoration:none;white-space:nowrap;height:42px;}
.btn.primary{background:var(--accent);color:#fff;min-width:120px;}
.btn.ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff;}
.swiper-button-prev,.swiper-button-next{top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:#fff;color:#0a0a0a;box-shadow:0 4px 14px rgba(0,0,0,.12);}