.web4-detail {
    background: #f6f8fb;
    color: #010e27;
}

.web4-detail .breadcrumbs {
    background-image: linear-gradient(180deg, rgba(1, 14, 39, 0.94) 0%, rgba(0, 27, 67, 0.96) 100%), url('/static/image/footer-bg.png');
    background-color: #010e27;
    background-size: cover;
    background-position: center;
}

.web4-detail .breadcrumb-nav {
    background: rgba(255, 255, 255, 0.12);
}

.feature-detail-section {
    padding: 96px 0;
}

.feature-detail-section.white {
    background: #fff;
}

.feature-detail-section.soft {
    background: linear-gradient(180deg, #f7f9fc 0%, #eef3fb 100%);
}

.feature-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-bottom: 18px;
    border-radius: 999px;
    background: #e5effe;
    color: #005ff9;
    font-size: 14px;
    font-weight: 800;
}

.feature-title {
    max-width: 920px;
    margin: 0 auto 18px;
    color: #010e27;
    font-size: 42px;
    line-height: 1.18;
    font-weight: 900;
}

.feature-lead {
    max-width: 860px;
    margin: 0 auto;
    color: #53627d;
    font-size: 18px;
    line-height: 1.9;
}

.feature-hero-card,
.feature-panel,
.feature-mini-card,
.feature-step,
.feature-use-card,
.feature-comparison {
    border: 1px solid rgba(8, 24, 40, .08);
    border-radius: 28px;
    background: #fff;
    box-shadow: 0 24px 70px rgba(38, 52, 86, .10);
}

.feature-hero-card {
    position: relative;
    overflow: hidden;
    padding: 48px;
}

.feature-hero-card::before {
    content: "";
    position: absolute;
    inset: auto -10% -40% 50%;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 95, 249, .22), transparent 66%);
    pointer-events: none;
}

.feature-hero-card h2,
.feature-panel h2 {
    margin-bottom: 18px;
    color: #010e27;
    font-size: 34px;
    line-height: 1.25;
    font-weight: 900;
}

.feature-hero-card p,
.feature-panel p,
.feature-mini-card p,
.feature-use-card p,
.feature-step p,
.feature-comparison p {
    color: #53627d;
    line-height: 1.8;
}

.feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    border-radius: 26px;
    background: linear-gradient(135deg, #fefefe 0%, #e5effe 100%);
}

.feature-visual img {
    width: min(82%, 520px);
    max-height: 330px;
}

.feature-list {
    display: grid;
    gap: 14px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.feature-list li {
    position: relative;
    padding-left: 30px;
    color: #283958;
    line-height: 1.75;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 10px;
    height: 10px;
    border: 4px solid #e5effe;
    border-radius: 50%;
    background: #005ff9;
}

.feature-metric-grid,
.feature-use-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.feature-mini-card,
.feature-use-card,
.feature-step {
    padding: 30px;
}

.feature-mini-card i,
.feature-use-card i,
.feature-step .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    margin-bottom: 22px;
    border-radius: 18px;
    background: #e5effe;
    color: #005ff9;
    font-size: 24px;
    font-weight: 900;
}

.feature-mini-card h3,
.feature-use-card h3,
.feature-step h3 {
    margin-bottom: 12px;
    color: #010e27;
    font-size: 21px;
    font-weight: 900;
}

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

.feature-comparison {
    overflow: hidden;
}

.feature-comparison-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1.2fr;
    border-bottom: 1px solid rgba(8, 24, 40, .08);
}

.feature-comparison-row:last-child {
    border-bottom: 0;
}

.feature-comparison-row > div {
    padding: 22px 24px;
}

.feature-comparison-row.header {
    background: #e5effe;
    color: #010e27;
    font-weight: 900;
}

.feature-comparison-row strong {
    color: #010e27;
}

.feature-comparison-row .highlight {
    color: #005ff9;
    font-weight: 800;
}

.feature-split-alt {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 32px;
    align-items: center;
}

.feature-command {
    padding: 24px;
    border-radius: 22px;
    background: #191919;
    color: #fff;
    box-shadow: 0 24px 70px rgba(0, 27, 67, .18);
}

.feature-command code {
    display: block;
    color: #9647db;
    white-space: normal;
    line-height: 1.8;
}

@media (max-width: 991px) {
    .feature-title {
        font-size: 34px;
    }

    .feature-hero-card,
    .feature-panel {
        padding: 30px;
    }

    .feature-metric-grid,
    .feature-use-grid,
    .feature-step-grid,
    .feature-split-alt {
        grid-template-columns: 1fr;
    }

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

}

@media (max-width: 575px) {
    .feature-detail-section {
        padding: 72px 0;
    }

    .feature-title {
        font-size: 30px;
    }

    .feature-lead {
        font-size: 16px;
    }
}