/* --- Strength of HERTZINNO DGA 样式变量 --- */
:root {
    --hz-orange: #ec682e;
    --hz-blue-dark: #002B49;
    --text-dark: #333333;
    --text-gray: #666666;
    --bg-light: #ffffff;
}

.hz-strength-section {
    padding: 100px 20px 60px 20px;
    background-color: var(--bg-light);
    border-bottom: 1px solid #f0f0f0; /* 与下方模块微弱分割 */
}

.hz-strength-head {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 80px auto;
}

/* 标题：Poppins Medium 500 */
.hz-strength-main-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 36px;
    color: var(--hz-blue-dark);
    position: relative;
    display: inline-block;
}

.hz-strength-main-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--hz-orange);
}

/* 强度网格布局 */
.hz-strength-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.hz-strength-item {
    position: relative;
    padding-top: 20px;
}

/* 背景大数字装饰 */
.hz-strength-number {
    position: absolute;
    top: -20px;
    left: -10px;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 60px;
    color: rgba(0, 0, 0, 0.04); /* 极浅的数字背景 */
    line-height: 1;
    z-index: 1;
}

.hz-strength-content {
    position: relative;
    z-index: 2;
}

/* 技术标题：Poppins Semi-bold 600 */
.hz-strength-h3 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 22px;
    color: var(--hz-orange); /* 标题使用橙色区分 */
    margin-bottom: 20px;
}

/* 正文：Open Sans Regular 400 */
.hz-strength-desc {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

.hz-strength-desc strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* 响应式适配 */
@media screen and (max-width: 900px) {
    .hz-strength-grid { grid-template-columns: 1fr; gap: 60px; }
    .hz-strength-main-title { font-size: 28px; }
}