@font-face {
    font-family: 'Bender';
    src: url('../fonts/Bender.woff2') format('woff2'),
         url('../fonts/Bender.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Novecentowide';
    src: url('../fonts/Novecentowide.woff2') format('woff2'),
         url('../fonts/Novecentowide.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

.underline-text {
    text-decoration: underline;
}

.item-center{
    text-align: center;
	margin:0 auto;
}

h1 {
    font-family: 'Novecentowide', sans-serif;
}

h3 {
    font-family: 'Bender', sans-serif;
}


hr {
    width: 970px;
    margin: 0 auto;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-width: 960px;
    overflow-x: auto;
    margin: 0;
    padding: 64px 0 0 0;
    background: #000;
}

.site-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 960px;
    height: 64px;
    z-index: 1000;
    background: #253853;
    border: 2px solid #000;
}

.main-nav {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    height: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 28px;
}

.nav-list {
    display: flex;
    flex-wrap: nowrap;
    list-style: none;
    align-items: center;
    height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
}

.nav-list li {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 20px;
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

.nav-list li:not(.sponsor-item):hover {
    background-color: rgba(255, 255, 255, 0.06);
}

.nav-list li a {
    display: flex;
    align-items: center;
    height: 100%;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.nav-list li:not(.sponsor-item) a:hover {
    color: #fff;
}

.sponsor-item {
    margin-left: auto;
    padding: 0 !important;
    height: 100%;
    display: flex;
    align-items: center;
}

.content-block {
    width: 960px;
    margin: 0 auto;
    box-sizing: border-box;
}

.header {
    width: 960px;
    margin: 0 auto;
    background: #000;
    border: 2px solid #000;
    box-shadow: 0 20px 20px rgba(0,0,0,0.3);
}


.mini-title {
    width: 960px;
    margin: 0 auto;
    background: #000;
    padding: 0 10px;
    color: #fff;
}

.title {
    width: 960px;
    margin: 0 auto;
    background: #31445e;
    padding: 30px 20px;
    color: #fff;
    border: 3px solid #000;
    border-bottom: none;
    box-shadow: 0 20px 20px rgba(0,0,0,0.3);
}

.cover-img {
    width: 30%;
    height: auto;
    flex-shrink: 0;
    display: block;
    border: 3px solid #000;
}

.text-box {
    width: 960px;
    margin: 0 auto;
    background: #253853;
    padding: 30px 20px;
    color: #fff;
    border: 3px solid #000;
    box-shadow: 0 20px 20px rgba(0,0,0,0.3);
}

.footer {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 980px;              /* 统一为960px，与内容一致 */
    background: #000;
    padding: 10px 20px;
    color: #fff;
    font-family: 'Bender', sans-serif;
    z-index: 999;              /* 低于导航（1000）但高于内容（1） */
    box-sizing: border-box;
}