.f4-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.f4-card{padding:30px;background:#f5f5f5;border-radius:8px}.f4-card h3{font-size:26px}.f4-card p{font-size:15px;color:#626262}.f4-number{font-size:12px;color:#777;margin-bottom:25px;letter-spacing:.14em}.f4-story{max-width:850px;margin:auto}.f4-story p{color:#626262}.f4-video-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.f4-player{aspect-ratio:16/9;background:#151515;position:relative;overflow:hidden;border-radius:7px}.f4-player button{width:100%;height:100%;display:grid;place-content:center;gap:12px;border:1px solid #444;background:linear-gradient(125deg,#202020,#080808);color:white;cursor:pointer;font:16px Arial;padding:24px}.f4-play{margin:auto;font-size:38px;line-height:1.3}.f4-player iframe{width:100%;height:100%;border:0}.f4-video h3{font-size:22px;margin-top:24px;letter-spacing:-.025em}.f4-video p{font-size:13px;margin-top:10px;color:#777}.f4-video a{font-size:13px;text-underline-offset:4px}.f4-help{display:grid;grid-template-columns:1fr 1fr;gap:50px;background:#f5f5f5;padding:45px;border-radius:8px}.f4-help li{margin:12px 0;color:#626262}.f4-help ul{padding-left:20px}.f4-note{font-size:12px!important;color:#777;margin-top:20px!important}.f4-player button:focus-visible{outline:3px solid #aaa;outline-offset:-6px}@media(max-width:749px){.f4-grid,.f4-video-grid,.f4-help{grid-template-columns:1fr}.f4-card{padding:26px}.f4-help{padding:26px;gap:20px}.f4-video h3{font-size:21px}.f4-player button{font-size:14px}.f4-story p{font-size:15px}}