.kask-alert{
    background:#fff7ed;
    border-left:5px solid #ff6b00;
    padding:18px 26px;
    border-radius:14px;
    margin:20px 0 30px;
    color:#111827;
    font-size:16px;
    line-height:1.7;
}

.kask-feature-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
    margin:0 0 35px;
}

.kask-feature-card{
    background:linear-gradient(180deg,#ffffff 0%, #f8fafc 100%);
    border:1px solid rgba(255,255,255,0.7);
    border-radius:22px;
    padding:34px 26px 28px;
    min-height:190px;
    text-align:center;

    box-shadow:
        0 10px 25px rgba(15,23,42,0.06),
        0 4px 10px rgba(15,23,42,0.04);

    transition:all .35s ease;

    position:relative;
    overflow:hidden;
}

.kask-feature-card::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:4px;

    background:linear-gradient(
        90deg,
        #2563eb,
        #7c3aed
    );
}

.kask-feature-card:hover{
    transform:translateY(-6px);

    box-shadow:
        0 20px 40px rgba(15,23,42,0.10),
        0 10px 20px rgba(15,23,42,0.06);
}

.kask-feature-card div{
    font-size:40px;
    line-height:1;
    margin-bottom:18px;
}

.kask-feature-card h3{
    font-size:24px;
    margin:0 0 14px;
    color:#0f172a;
    font-weight:700;
}

.kask-feature-card p{
    margin:0 auto;
    color:#475569;
    line-height:1.7;
    font-size:15px;
    max-width:240px;
}

.helmet-section{
    background:#fff;
    border-radius:24px;
    padding:40px;
    margin:40px 0;
    box-shadow:0 10px 30px rgba(0,0,0,0.05);
}

.helmet-section-title{
    display:flex;
    align-items:center;
    gap:14px;
    margin-bottom:24px;
}

.helmet-number{
    width:44px;
    height:44px;
    border-radius:12px;
    background:#0f172a;
    color:#fff;
    font-size:20px;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:center;
}

.helmet-section-title h2{
    margin:0;
    font-size:38px;
    color:#0f172a;
    font-weight:700;
}

.helmet-text{
    font-size:17px;
    line-height:1.8;
    color:#334155;
    margin-bottom:28px;
}

.helmet-standard-box{
    border:1px solid #dbe1ea;
    border-radius:18px;
    padding:28px;
    margin-bottom:24px;
}

.helmet-standard-item{
    display:flex;
    align-items:center;
    gap:14px;
    margin-bottom:18px;
    font-size:16px;
    color:#334155;
    line-height:1.7;
}

.helmet-standard-item:last-child{
    margin-bottom:0;
}

.helmet-standard-item span{
    background:#0f172a;
    color:#fff;
    font-size:12px;
    font-weight:700;
    padding:8px 12px;
    border-radius:30px;
    min-width:80px;
    text-align:center;
}

.helmet-note-box{
    background:#eef4ff;
    border-left:5px solid #2563eb;
    padding:20px 24px;
    border-radius:14px;
    margin-bottom:24px;
    color:#0f172a;
    line-height:1.8;
    font-size:16px;
}

.helmet-feature-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:18px;
}

.helmet-feature-item{
    border:1px solid #dbe1ea;
    border-radius:14px;
    padding:20px;
    font-size:16px;
    color:#334155;
    background:#fff;
}

.helmet-subtitle{
    font-size:18px;
    color:#0f172a;
    margin:24px 0 14px;
    font-weight:700;
}

.helmet-danger-box{
    background:#fff1f2;
    border-left:5px solid #ef4444;
    border-radius:14px;
    padding:18px 24px;
    margin-top:22px;
    color:#0f172a;
    line-height:1.8;
}

.helmet-danger-box p{
    margin:0 0 6px;
}

.helmet-danger-box p:last-child{
    margin-bottom:0;
}

.helmet-type-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:20px;
    margin-top:24px;
}

.helmet-type-card{
    background:#f8fafc;
    border:1px solid #dbe1ea;
    border-radius:16px;
    padding:24px;
}

.helmet-type-card h3{
    font-size:22px;
    color:#0f172a;
    margin:0 0 18px;
    font-weight:700;
}

.helmet-type-card p{
    margin:0 0 18px;
    color:#334155;
    font-size:16px;
}

.helmet-type-card ul{
    margin:0;
    padding-left:20px;
    color:#334155;
    line-height:1.8;
    font-size:16px;
}

.helmet-shell-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:20px;
    margin-top:24px;
}

.helmet-shell-card{
    background:#f8fafc;
    border:1px solid #dbe1ea;
    border-radius:18px;
    padding:26px;
}

.helmet-shell-card h3{
    font-size:22px;
    color:#0f172a;
    margin:0 0 18px;
    font-weight:700;
}

.helmet-shell-card p{
    margin:0 0 18px;
    color:#334155;
    font-size:16px;
}

.helmet-shell-card ul{
    margin:0;
    padding-left:20px;
    color:#334155;
    line-height:1.9;
    font-size:16px;
}

.helmet-visor-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    margin:24px 0;
}

.helmet-visor-item{
    background:#fff;
    border:1px solid #dbe1ea;
    border-radius:14px;
    padding:18px 20px;
    color:#0f172a;
    font-size:16px;
    line-height:1.6;
}

.helmet-air-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    margin-top:24px;
}

.helmet-air-item{
    background:#fff;
    border:1px solid #dbe1ea;
    border-radius:14px;
    padding:18px 20px;
    color:#0f172a;
    font-size:16px;
    line-height:1.6;
}

.helmet-pad-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    margin-top:24px;
}

.helmet-pad-item{
    background:#fff;
    border:1px solid #dbe1ea;
    border-radius:14px;
    padding:18px 20px;
    color:#0f172a;
    font-size:16px;
    line-height:1.6;
}

.helmet-noise-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    margin-top:24px;
}

.helmet-noise-item{
    background:#fff;
    border:1px solid #dbe1ea;
    border-radius:14px;
    padding:18px 20px;
    color:#0f172a;
    font-size:16px;
    line-height:1.6;
}

.helmet-lock-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    margin-top:24px;
}

.helmet-lock-item{
    background:#fff;
    border:1px solid #dbe1ea;
    border-radius:14px;
    padding:18px 20px;
    color:#0f172a;
    font-size:16px;
    line-height:1.7;
}

.helmet-final-box{
    background:#071327;
    border-radius:28px;
    padding:60px 40px;
    text-align:center;
    margin:50px 0;
}

.helmet-final-box h2{
    color:#fff;
    font-size:42px;
    margin:0 0 24px;
    font-weight:700;
}

.helmet-final-box p{
    color:#dbe4f0;
    font-size:18px;
    line-height:2;
    max-width:900px;
    margin:0 auto 36px;
}

.helmet-final-tags{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:14px;
}

.helmet-final-tags span{
    background:#334155;
    color:#fff;
    padding:12px 18px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
}


@media(max-width:768px){

    .helmet-section{
        padding:28px;
    }

    .helmet-section-title h2{
        font-size:28px;
    }

    .helmet-feature-grid{
        grid-template-columns:1fr;
    }

    .helmet-type-grid{
        grid-template-columns:1fr;
    }

    .helmet-shell-grid{
        grid-template-columns:1fr;
    }
    .helmet-visor-grid{
        grid-template-columns:1fr;
    }
    .helmet-air-grid{
        grid-template-columns:1fr;
    }
    .helmet-pad-grid{
        grid-template-columns:1fr;
    }
    .helmet-noise-grid{
        grid-template-columns:1fr;
    }
    .helmet-lock-grid{
        grid-template-columns:1fr;
    }

    .helmet-final-box{
        padding:40px 24px;
    }

    .helmet-final-box h2{
        font-size:32px;
    }

    .helmet-final-box p{
        font-size:16px;
        line-height:1.9;
    }

}

@media(max-width:992px){
    .kask-feature-grid{
        grid-template-columns:repeat(2,1fr);
    }
}

@media(max-width:576px){
    .kask-feature-grid{
        grid-template-columns:1fr;
    }
}