/* --- 字体引入 --- */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&family=Poppins:wght@500;600&display=swap');

/* --- 变量复用 --- */
:root {
    --hz-orange: #ec682e;
    --text-main: #0F172A;       /* 品牌深蓝 */
    --text-sub: #334155;        /* 品牌灰 */
    --bg-white: #ffffff;
    --bg-light: #F8FAFC;        /* 极淡灰背景 */
}

.hz-app-section {
    padding: 80px 20px;
    background-color: var(--bg-white);
    border-top: 1px solid #E2E8F0;
    font-family: 'Open Sans', sans-serif; /* 默认正文 */
}

.hz-app-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px auto;
}

/* 大标题: Poppins Medium */
.hz-app-title {
    font-family: 'Open Sans Bold', sans-serif;
    font-weight: 500; /* Medium */
    font-size: 40px;
    color: var(--text-main);
    margin-bottom: 20px;
}

/* 描述: Open Sans Regular */
.hz-app-desc {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400; /* Regular */
    font-size: 16px;
    color: var(--text-sub);
    line-height: 1.6;
}

/* 应用场景网格 */
.hz-app-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.hz-app-card {
    display: flex;
    gap: 25px;
    padding: 30px;
    background-color: var(--bg-light);
    border-radius: 8px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.hz-app-card:hover {
    background-color: #fff;
    border-color: var(--hz-orange);
    box-shadow: 0 10px 30px rgba(236, 104, 46, 0.1);
    transform: translateY(-5px);
}

/* 图标区域 */
.hz-app-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--hz-orange);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* 内容区域 */
.hz-app-content { flex: 1; }

/* 卡片标题: Poppins SemiBold */
.hz-app-h3 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600; /* SemiBold */
    font-size: 20px;
    margin: 0 0 10px 0;
    color: var(--text-main);
}

/* 正文: Open Sans Regular */
.hz-app-p {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400; /* Regular */
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
    margin-bottom: 15px;
}

/* 关键词高亮: Poppins SemiBold (用于强调) */
.hz-keyword {
    color: var(--hz-orange);
    font-family: 'Poppins', sans-serif;
    font-weight: 600; /* SemiBold */
}

/* 强调标签 (Key Targets): Open Sans Bold */
.hz-app-p strong {
    font-family: 'Open Sans', sans-serif;
    font-weight: 700; /* Bold */
    color: var(--text-main);
}

/* 响应式 */
@media screen and (max-width: 768px) {
    .hz-app-grid { grid-template-columns: 1fr; }
    .hz-app-card { flex-direction: column; }
    .hz-app-icon { margin-bottom: 15px; }
}