.lead-section-nav{max-width:1160px;margin:24px auto;display:flex;gap:12px;flex-wrap:wrap;padding:0 20px}.lead-section-nav a{padding:12px 18px;border:1px solid #d7e5f2;border-radius:30px;color:#116dcc;text-decoration:none;background:#fff}.lead-section-nav a:hover{background:#eef7ff}.sm-ex-intro{max-width:1160px;margin:30px auto 24px;padding:38px;box-sizing:border-box;border-radius:22px;background:linear-gradient(120deg,#082842,#125870);color:white}.sm-ex-intro>span{font-size:12px;letter-spacing:2px;color:#92e3dd}.sm-ex-intro h1{font-size:38px;line-height:1.2;margin:16px 0;text-align:left}.sm-ex-intro p{font-size:18px;line-height:1.6;max-width:850px;color:#cee2ed}.sm-ex-intro a{color:#b8f0ef}.sm-ex-wrap{max-width:1160px;margin:auto;padding:0 20px 45px;color:#102c42}.sm-ex-search{display:flex;align-items:center;gap:22px;margin:30px 0}.sm-ex-search label{font-weight:700}.sm-ex-search input{flex:1;padding:16px;border:1px solid #b4cddc;border-radius:12px;font:inherit}.sm-ex-note{line-height:1.6;font-size:15px;color:#60758a;max-width:950px}.sm-ex-categories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0 36px}.sm-ex-category{display:flex;align-items:center;gap:15px;padding:22px 18px;border:1px solid #dce7ed;border-radius:14px;text-decoration:none;color:#15344a;background:white;box-shadow:0 4px 16px #123c5806}.sm-ex-category:hover{border-color:#2d9da4;transform:translateY(-2px)}.sm-ex-category-icon{display:grid;place-items:center;background:#e3f5f3;border-radius:12px;color:#13818c;width:40px;height:40px;flex:none;font-size:24px}.sm-ex-category h3{font-size:18px;line-height:1.4;margin:0 0 8px;text-align:left}.sm-ex-category p{font-size:13px;color:#617e8d;margin:0}.sm-ex-category>span:last-child{margin-left:auto}.sm-ex-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.sm-ex-tags a{padding:10px 13px;background:#edf7f7;border-radius:8px;color:#116c7b;font-size:14px;text-decoration:none}.sm-ex-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:25px}.sm-ex-lead{padding:25px;border:1px solid #dce7ed;border-top:3px solid #40a8ab;border-radius:12px;background:#fff}.sm-ex-meta{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#637d8f}.sm-ex-meta>span{background:#ecf6f7;padding:5px 8px;border-radius:5px}.sm-ex-lead h2{font-size:21px;line-height:1.35;text-align:left;margin:18px 0 12px}.sm-ex-lead p{font-size:16px;line-height:1.7;color:#51697c}.sm-ex-lead summary{cursor:pointer;color:#137b88;font-weight:600}.sm-ex-lead li{margin:10px 0}.sm-ex-pagination{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:30px 0}.sm-ex-pagination a,.sm-ex-pagination span{padding:10px 14px;border:1px solid #c5dbe6;border-radius:7px;text-decoration:none;color:#166881}.sm-ex-pagination span{background:#124e63;color:white}.sm-ex-cta{padding:26px;background:#eef7f8;border-radius:15px;margin-top:30px}.sm-ex-cta h2{font-size:26px}.sm-ex-cta a{display:inline-block;margin:12px 22px 0 0;color:#087889}.sm-ex-category[hidden]{display:none}@media(max-width:950px){.sm-ex-categories{grid-template-columns:1fr 1fr}.sm-ex-intro{margin:20px}.sm-ex-intro h1{font-size:32px}}@media(max-width:600px){.sm-ex-categories,.sm-ex-list{grid-template-columns:1fr}.sm-ex-intro{padding:25px}.sm-ex-intro h1{font-size:28px}.sm-ex-search{display:block}.sm-ex-search input{width:100%;box-sizing:border-box;margin-top:12px}.sm-ex-lead{padding:20px}}