.yt-main{padding:80px 20px 120px;background:#f3f6fb}.yt-main__content{max-width:1160px;margin:0 auto;background:#fff;border-radius:24px;padding:48px 56px;box-shadow:0 16px 40px rgba(15,23,42,.08)}@media only screen and (max-width:768px){.yt-main__content{padding:48px 20px}}.yt-title{background:linear-gradient(to right,#3091ce 0%,#0b4281 100%);display:inline-block;font-weight:bold;letter-spacing:.06em;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:24px;line-height:1.4;margin:0}@media only screen and (max-width:768px){.yt-title{font-size:18px;line-height:1.62}}.yt-thumbnail{margin:2rem auto;text-align:center}.yt-thumbnail img{object-fit:cover;height:auto;border-radius:8px;display:block;margin:0 auto}#content{margin-top:5rem}.yt-main__content #content img{margin:2rem auto}.yt-main__content #content h2{font-size:23px;font-weight:700;margin-top:2rem;margin-bottom:2rem}@media only screen and (max-width:768px){.yt-main__content #content h2{font-size:17px}}.yt-main__content #content p{font-size:20px;letter-spacing:0;line-height:1.6;margin-bottom:1.5rem}@media only screen and (max-width:768px){.yt-main__content #content p{font-size:16px}}.yt-main__content #content li{font-size:18px;line-height:2}@media (max-width:768px){.yt-main__content #content p,.yt-main__content #content li{font-size:17px}}.yt-main__content #content a{color:#0071c6;font-weight:600;word-wrap:break-word;overflow-wrap:anywhere}.yt-main__content #content a:hover{color:#005a9d;text-decoration:none}.yt-main__content #content iframe{display:block;width:100%;max-width:1000px;margin:0 auto 2rem;aspect-ratio: 500 / 281;height:auto;border:none}.yt-nav{display:flex;justify-content:space-between;margin-top:4rem;gap:1rem}.yt-nav-btn{display:inline-block;padding:14px 26px;border-radius:8px;background:#fff;color:#0b63c5;font-size:15px;font-weight:600;text-decoration:none;transition:background .22s ease}.yt-nav-btn.prev{margin-right:auto}.yt-nav-btn.next{margin-left:auto}@media (max-width:768px){.yt-nav{flex-direction:row}.yt-nav-btn.prev{margin-right:auto}.yt-nav-btn.next{margin-left:auto}}