* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Segoe UI", Roboto, sans-serif;
    background-color: #f8f9f6;
    color: #333;
    line-height: 1.8;
}
/* 导航栏 */
nav {
    background: #ffffff;
    border-bottom: 1px solid #e9ecef;
    padding: 24px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
}
.logo {
    font-size: 24px;
    font-weight: 600;
    color: #40574a;
    text-decoration: none;
}
.nav-links a {
    margin-left: 32px;
    color: #40574a;
    text-decoration: none;
    font-size: 15px;
}
.nav-links a:hover {
    color: #729c83;
}
/* 面包屑导航 */
.breadcrumb {
    padding: 16px 8%;
    font-size:14px;
    color:#666;
}
.breadcrumb a {
    color:#729c83;
    text-decoration:none;
}

/* ==========首页横幅banner【修复文字被遮罩盖住】========== */
.banner {
    position: relative;
    width:100%;
    height: 60vh;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
}
.banner-img {
    position:absolute;
    width:100%;
    height:100%;
    object-fit:cover;
    z-index:0;
}
/*半透明遮罩 */
.banner::after {
    content:"";
    position:absolute;
    inset:0;
    background:rgba(0,0,0,0.35);
    z-index:1;
    pointer-events: none;/*遮罩不拦截点击*/
}
.banner-text {
    position:relative;
    z-index:3;/*文字层级高于遮罩*/
    text-align:center;
    color:#fff;
}
.banner-text h1 {
    font-size:44px;
    margin-bottom:12px;
}
.banner-text p {
    font-size:20px;
    margin-bottom:24px;
}

/* 按钮样式 */
.btn {
    display:inline-block;
    padding:12px 28px;
    background:#40574a;
    color:#fff;
    text-decoration:none;
    border-radius:6px;
}
.btn:hover {
    background:#729c83;
}

/* 主内容容器 */
.container {
    width: 84%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0 60px;
}
.container h1 {
    font-size:32px;
    color:#40574a;
    margin-bottom:24px;
}

/* 内容卡片区块 */
.block {
    background:#fff;
    border:1px solid #e9ecef;
    padding:32px;
    margin-bottom:24px;
    border-radius:8px;
}
.block h2 {
    font-size:20px;
    color:#40574a;
    margin-bottom:12px;
}
.block ul {
    padding-left:22px;
}

/* 项目图片样式（详情页大图） */
.project-img {
    width:100%;
    max-height:420px;
    object-fit:cover;
    border-radius:8px;
    margin-bottom:24px;
}

/* 页脚footer */
footer {
    background:#40574a;
    color:#e9ecef;
    padding:40px 8%;
}
.footer-wrap {
    max-width:1000px;
    margin:0 auto;
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:20px;
}
.copyright {
    margin-top:24px;
    font-size:14px;
    opacity:0.8;
}