/* 全局初始化 清新环境极简留白风格 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    color: #333;
    background-color: #ffffff;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 28px;
    text-align: center;
    margin-bottom: 50px;
    color: #2d6a4f;
    position: relative;
}

    .section-title::after {
        content: "";
        width: 60px;
        height: 3px;
        background-color: #40916c;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: -10px;
    }

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    z-index: 999;
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 20px;
    font-weight: bold;
    color: #2d6a4f;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

    .nav a {
        text-decoration: none;
        color: #333;
        transition: 0.3s;
    }

        .nav a.active, .nav a:hover {
            color: #40916c;
        }

.quote-btn {
    padding: 8px 20px;
    background-color: #40916c;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.3s;
}

    .quote-btn:hover {
        background-color: #2d6a4f;
    }

/* 首屏Banner */
.banner {
    margin-top: 70px;
    height: 600px;
    background: linear-gradient(rgba(45, 106, 79, 0.8), rgba(45, 106, 79, 0.8)), url('banner-bg.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
}

.banner-content h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.banner-content p {
    font-size: 18px;
    margin-bottom: 40px;
}

.banner-btns {
    display: flex;
    gap: 25px;
    justify-content: center;
}

.btn-white {
    padding: 12px 30px;
    border: 2px solid #fff;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: 0.3s;
}

    .btn-white:hover {
        background-color: #fff;
        color: #2d6a4f;
    }

.btn-green {
    padding: 12px 30px;
    background-color: #fff;
    color: #2d6a4f;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
}

/* 优势板块 */
.advantage {
    padding: 80px 0;
    background-color: #f8fbf9;
}

.adv-list {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.adv-item .num {
    font-size: 40px;
    font-weight: bold;
    color: #40916c;
    margin-bottom: 10px;
}

/* 产品板块 */
.product {
    padding: 80px 0;
}

.pro-list {
    display: flex;
    gap: 30px;
}

.pro-card {
    flex: 1;
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 6px;
    transition: 0.3s;
}

    .pro-card:hover {
        box-shadow: 0 4px 15px rgba(64, 145, 108, 0.15);
    }

.pro-img {
    height: 300px;
    background-color: #f1f7f4;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    color: #666;
}

.pro-link {
    display: inline-block;
    margin-top: 15px;
    color: #40916c;
    text-decoration: none;
    border-bottom: 1px solid #40916c;
}

/* 资质板块 */
.cert {
    padding: 80px 0;
    background-color: #f8fbf9;
}

.cert-list {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.cert-item {
    padding: 15px 30px;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* 联系板块 */
.contact {
    padding: 80px 0;
    background: #f8fbf9;
}

/* 外层容器居中 */
.contact-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 联系方式区块居中、控制宽度不拉伸太宽 */
.contact-info {
    text-align: center;
    max-width: 700px;
    width: 100%;
}

    .contact-info p {
        font-size: 17px;
        margin: 24px 0;
        color: #333;
    }

/* 下面表单相关样式全部删除，不需要了 */
/*.contact-form、.submit-btn 整段删掉*/

/* 页脚 */
.footer {
    padding: 30px 0;
    background-color: #2d6a4f;
    color: #fff;
    text-align: center;
}
/* 多页面通用样式 */
.page-padding {
    height: 70px;
}

.page-banner {
    background-color: #f8fbf9;
    padding: 60px 0;
    text-align: center;
}

    .page-banner h1 {
        font-size: 36px;
        color: #2d6a4f;
        margin-bottom: 10px;
    }

    .page-banner p {
        color: #666;
        font-size: 16px;
    }

.about-text {
    font-size: 17px;
    line-height: 1.8;
    color: #444;
}

.history-item {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    font-size: 16px;
}

    .history-item span {
        font-weight: bold;
        color: #40916c;
        font-size: 20px;
        margin-right: 20px;
    }