/* 顶部导航栏 */
.custom-navbar {
    width: 100%;
    height: 48px;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    padding: 0 32px;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, 'Liberation Sans', sans-serif;
    color: #222;
    z-index: 1000;
    position: sticky;
    top: 0;
}

.navbar-logo {
    width: 36px;
    height: 36px;
    background: #f5f5f5;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 18px;
    overflow: hidden;
    text-decoration: none;
}
.navbar-logo img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.navbar-title {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: 500;
    color: #222;
    text-decoration: none;
}
.navbar-title span {
    color: #222;
}
.navbar-divider {
    margin: 0 16px;
    color: #bbb;
    font-size: 20px;
    font-weight: 300;
}
.navbar-logo:hover, .navbar-title:hover {
    opacity: 0.8;
}

/* 主体内容 */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 16px 0 16px;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, 'Liberation Sans', sans-serif;
}

/* 顶部大图 */
.hero-section {
    position: relative;
    width: 100%;
    max-width: 1349px;
    height: 250px;
    margin: 0 auto 32px auto;
    border-radius: 0px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    background: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(0.1) brightness(0.95);
    opacity: 0.9; /* 设置为50%半透明 */
}
.hero-text {
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-shadow: 0 4px 24px rgba(0,0,0,0.25), 0 1px 2px rgba(0,0,0,0.15);
    pointer-events: none;
}
.hero-title-main {
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 10px;
}
.hero-title-sub {
    font-size: 3.2rem;
    font-weight: 600;
    letter-spacing: 4px;
    margin-top: 0;
}

/* 简介 */
.intro {
    margin: 32px auto 24px auto;
    max-width: 900px;
    font-size: 1.15rem;
    color: #333;
    text-align: left;
}

/* 数据资源列表 */
.data-list {
    margin: 32px auto 48px auto;
    max-width: 900px;
}
.data-list h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: #222;
    border-left: 4px solid #222;
    padding-left: 10px;
}
.data-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.data-list li {
    margin-bottom: 16px;
}
.data-list a {
    font-size: 1.1rem;
    color: #222;
    text-decoration: underline;
    transition: color 0.2s;
}
.data-list a:hover {
    color: #0078d4;
}

/* 底部栏 */


body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

.main-content {
    width: 100%;
    max-width: none;
    flex: 1 0 auto;
    padding: 32px 0 0 0;
}

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
}

.custom-footer {
    width: 100%;
    background: #fff;
    border-top: 1px solid #e0e0e0;
    text-align: center;
    padding: 16px 0 12px 0;
    font-size: 15px;
    color: #888;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, 'Liberation Sans', sans-serif;
    margin-top: 0;
    flex-shrink: 0;
}