.whyContainer {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.whyContainer .section-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.whyContainer .section-tag {
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(to right, #00c6ff, #0072ff);
    display: inline-block;
    padding: 8px 25px;
    border-radius: 30px;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.whyContainer .section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(to right, #e6f1ff, #00f2c3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.whyContainer .section-subtitle {
    font-size: 1.3rem;
    color: rgba(230, 241, 255, 0.85);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.whyContainer .features-grid {
    display: grid;
    /* grid-template-columns: repeat(3, 2fr); */
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.whyContainer .feature-card {
    background: linear-gradient(to bottom, rgba(15, 30, 60, 0.8), rgba(10, 20, 40, 0.9));
    border-radius: 12px;
    padding: 35px 30px;
    border: 1px solid rgba(100, 150, 255, 0.15);
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    text-align: center;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.whyContainer .feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, #00c6ff, #0072ff);
}

.whyContainer .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(10, 132, 255, 0.2);
    border-color: rgba(100, 150, 255, 0.3);
}

.whyContainer .feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 132, 255, 0.12);
    border-radius: 50%;
    margin: 0 auto 25px;
    font-size: 2.2rem;
    color: #00f2c3;
    border: 1px solid rgba(0, 242, 195, 0.3);
}

.whyContainer .feature-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
    letter-spacing: 1px;
}

.whyContainer .feature-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(230, 241, 255, 0.9);
}

.whyContainer .assurance-section {
    background: rgba(15, 30, 60, 0.6);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(100, 150, 255, 0.15);
    margin-top: 50px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.whyContainer .assurance-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: white;
    position: relative;
    display: inline-block;
}

.whyContainer .assurance-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #00f2c3;
}

.whyContainer .assurance-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.whyContainer .assurance-item {
    background: rgba(10, 20, 40, 0.6);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid rgba(100, 150, 255, 0.1);
    text-align: left;
}

.whyContainer .assurance-icon {
    font-size: 1.8rem;
    color: #00f2c3;
    margin-bottom: 15px;
}

.whyContainer .assurance-text {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1100px) {
    .whyContainer .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .whyContainer .assurance-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .whyContainer .features-grid {
        grid-template-columns: 1fr;
    }

    .whyContainer .section-title {
        font-size: 2.3rem;
    }

    .whyContainer .section-subtitle {
        font-size: 1.1rem;
    }

    .whyContainer .feature-title {
        font-size: 1.6rem;
    }

    .whyContainer .feature-description {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .whyContainer .section-title {
        font-size: 2rem;
    }
}

/* 装饰元素 */
.decoration {
    position: absolute;
    z-index: -1;
    opacity: 0.15;
}

.dec-1 {
    top: 10%;
    left: 10%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(10, 132, 255, 0.1);
    box-shadow: 0 0 100px rgba(10, 132, 255, 0.3);
}

.dec-2 {
    bottom: 20%;
    right: 15%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: rgba(0, 242, 195, 0.1);
    box-shadow: 0 0 100px rgba(0, 242, 195, 0.3);
}

.dec-3 {
    top: 40%;
    left: 30%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 80px rgba(255, 255, 255, 0.2);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}