/* ===== 重置 & 基础 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: #fff;
    font-family:pingfang SC,helvetica neue,arial,hiragino sans gb,microsoft yahei ui,microsoft yahei,simsun,sans-serif!important;
    color: #333;
}
a { text-decoration: none; cursor: pointer; }
a:hover { text-decoration: none; }
ul, li { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; vertical-align: middle; }

/* ===== 容器 ===== */
.crh-container {
    max-width: 1350px;
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    margin: 0 auto;
    box-sizing: border-box;
}
/* ===== 每部分上下 padding 90px ===== */
.crh-section {
    padding-top: 90px;
    padding-bottom: 90px;
}
/* ===== 大标题 ===== */
.crh-title-dark {
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    color: #333;
    margin-bottom: 0;
}
.crh-title-light {
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    color: #fff;
    margin-bottom: 0;
}

/* ===== 按钮 & 卡片 hover 效果 ===== */
.crh-btn {
    display: inline-block;
    height: 42px;
    line-height: 42px;
    padding: 0 30px;
    font-size: 14px;
    text-align: center;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid #03c4fc;
    color: #03c4fc;
    background: transparent;
}
.crh-btn-primary {
    background: #065ce9;
    color: #fff;
    border: none;
}
.crh-btn:hover {
    background: #03c4fc;
    color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(3, 196, 252, 0.3);
}
.crh-btn-primary:hover {
    background: #03c4fc;
    color: #333;
    border: none;
}

.crh-card-hover {
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.crh-card-hover:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(3, 196, 252, 0.12);
}

/* ===== Banner ===== */
.crh-banner {
    width: 100%;
    background: url("/css/2023/images/crh-banner.png") no-repeat top center;
    background-size: cover;
    height: 401px;
    display: flex;
    align-items: center;
    margin-top: 60px;
}
.crh-banner .crh-banTxt {
    text-align: center;
    padding-top: 20px;
}
.crh-banner .crh-banTxt h1 {
    font-size: 44px;
    color: #fff;
    font-weight: bold;
}
.crh-banner .crh-banTxt h1 span { color: #fae501; }
.crh-banner .crh-banTxt p {
    font-size: 16px;
    color: #fff;
    margin: 15px 0 25px;
}
.crh-banner .crh-banTxt .crh-btn {
    border-color: #03c4fc;
    color: #03c4fc;
    background: transparent;
}
.crh-banner .crh-banTxt .crh-btn:hover {
    background: #03c4fc;
    color: #333;
}

/* ===== 项目背景 ===== */
.crh-icon-card {
    text-align: center;
    padding: 10px 5px;
}
.crh-icon-card img {  margin-bottom: 14px; }
.crh-icon-card h3 {
    font-size: 18px;
    color: #333;
    font-weight: bold;
    margin: 14px 0 18px;
}
.crh-icon-card p {
    font-size: 14px;
    color: #666;
    line-height: 24px;
    text-align: center;
    max-width: 260px;
    margin: 0 auto;
}

/* ===== 解决方案 背景图 ===== */
.crh-con2 {
    background: url("/css/2023/images/crh-bg1.png") no-repeat top center;
    background-size: cover;
    text-align: center;
    width: 100%;
}
.crh-con2 .crh-img1 { margin: 40px 0; max-width: 100%; }
.crh-con2 .crh-c2Btn { margin-top: 36px; display: flex; justify-content: center; gap: 79px; flex-wrap: wrap; }

/* ===== 解决方案优势 ===== */
.crh-adv-card {
    border: 1px solid #ebeef5;
    padding: 25px;
    height: 100%;
    min-height: 157px;
    transition: 0.3s;
    background: #fff;
    border-radius: 10px;
}
.crh-adv-card img { float: left; margin-right: 20px; max-width: 50px; }
.crh-adv-card .crh-adv-txt { overflow: hidden; }
.crh-adv-card .crh-adv-txt h3 {
    font-size: 18px;
    color: #333;
    font-weight: bold;
}
.crh-adv-card .crh-adv-txt p {
    font-size: 14px;
    color: #666;
    line-height: 24px;
    text-align: justify;
    margin-top: 14px;
}
.crh-adv-card.crh-card-hover:hover { border-color: #03c4fc; }

/* ===== 产品推荐 ===== */
.crh-con4 {
    background: #000 url("/css/2023/images/crh-bg2.png") no-repeat top center;
    background-size: cover;
    width: 100%;
}
.crh-dell{
    font-size: 24px;
    color: #00f2fe;
    text-align: center;
    margin: 40px 0 20px;
}
.crh-con4 .crh-c4Con p span{font-size: 14px;color: #333;text-align: left}
.crh-prod-card {
    background: url("/css/2023/images/crh-img3.png") no-repeat top center;
    background-size: 100% 100%;
    padding: 25px 30px;
    min-height: 246px;
    height: 100%;
    transition: 0.3s;
    border-radius: 10px;
}
.crh-prod-card h2 {
    font-size: 18px;
    color: #333;
    font-weight: bold;
}
.crh-prod-card p {
    line-height: 28px;
    font-size: 14px;
    color: #666;
    margin-top: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.crh-prod-card p img { flex-shrink: 0; margin-top: 4px; }

/* ===== 常见问题 ===== */
.crh-faq-list { margin-top: 20px; }
.crh-faq-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    flex-wrap: wrap;
}
.crh-faq-list li span {
    display: inline-block;
    width: 20px;
    height: 20px;
    background: #0b9aff;
    font-size: 14px;
    color: #fff;
    text-align: center;
    line-height: 20px;
    border-radius: 50%;
    flex-shrink: 0;
}
.crh-faq-list li a {
    font-size: 14px;
    color: #333;
    transition: 0.2s;
}
.crh-faq-list li a:hover { color: #03c4fc; }

/* ===== 移动端适配 ===== */
@media (max-width: 992px) {
    .crh-adv-card img { float: none; display: block; margin: 0 auto 12px; }
    .crh-adv-card .crh-adv-txt { text-align: center; }
    .crh-adv-card .crh-adv-txt p { text-align: center; }
    .crh-prod-card { background-size: cover; min-height: 200px; }
    .crh-con2 .crh-c2Btn { gap: 30px; }
}
@media (max-width: 768px) {
    .crh-section { padding-top: 60px; padding-bottom: 60px; }
    .crh-title-dark, .crh-title-light { font-size: 24px; }
    .crh-banner { height: 300px; margin-top: 50px; }
    .crh-banner .crh-banTxt h1 { font-size: 26px; }
    .crh-banner .crh-banTxt p { font-size: 14px; }
    .crh-icon-card img { height: 50px; }
    .crh-icon-card h3 { font-size: 16px; }
    .crh-con2 .crh-img1 { margin: 25px 0; }
    .crh-con4 .crh-c4Con p { font-size: 20px; }
    .crh-prod-card { padding: 20px; min-height: 180px; }
    .crh-prod-card h2 { font-size: 16px; }
    .crh-prod-card p { font-size: 13px; line-height: 24px; }
    .crh-faq-list li a { font-size: 13px; }
    .crh-btn { height: 38px; line-height: 38px; padding: 0 20px; font-size: 13px; }
}