* { 
    box-sizing: border-box; 
}

body { 
    margin: 0; 
    padding: 0; 
    background: #000; 
    color: #fff; 
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif; 
}

.clearfix::after { 
    content: ""; 
    display: table; 
    clear: both; 
}

/* 导航栏 (Header) */
.daohang-lan {
    position: sticky; 
    top: 0; 
    width: 100%; 
    height: 70px;
    padding: 0 5%; 
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85); 
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0; 
    white-space: nowrap;
}

.nav-left, 
.nav-center, 
.nav-right { 
    display: inline-block; 
    vertical-align: middle; 
    height: 70px; 
    line-height: 70px; 
    font-size: 14px; 
}

/* 导航左侧 */
.nav-left { 
    width: 35%; 
    text-align: left; 
}

.nav-left a { 
    color: #ccc; 
    text-decoration: none; 
    font-size: 11px; 
    letter-spacing: 2px; 
    text-transform: uppercase; 
    margin-right: 25px; 
    transition: 0.3s; 
}

.nav-left a:hover { 
    color: #ff4500; 
}

/* 导航中间 */
.nav-center { 
    width: 30%; 
    text-align: center; 
    text-decoration: none; 
}

.biaozhi { 
    height: 22px; 
    filter: brightness(1.2); 
    vertical-align: middle; 
    margin-right: 12px; 
}

.mingzi { 
    display: inline-block; 
    vertical-align: middle; 
    letter-spacing: 5px; 
    font-weight: 300; 
    font-size: 14px; 
    text-transform: uppercase; 
    color: #fff; 
    margin: 0; 
}

/* 导航右侧 */
.nav-right { 
    width: 35%; 
    text-align: right; 
}

.search-bar { 
    display: inline-block; 
    vertical-align: middle; 
    border-bottom: 1px solid #333; 
    padding: 2px 5px; 
    margin-right: 20px; 
    line-height: normal; 
}

.search-bar input { 
    background: transparent; 
    border: none; 
    color: #fff; 
    font-size: 10px; 
    width: 70px; 
    outline: none; 
}

.Shopping { 
    text-decoration: none; 
    font-size: 18px; 
    position: relative; 
    color: #fff; 
    display: inline-block; 
    vertical-align: middle; 
    line-height: normal; 
    margin-right: 20px; 
}

.Shopping-number { 
    position: absolute; 
    top: -8px; 
    right: -10px; 
    background: #ff4500; 
    font-size: 9px; 
    padding: 1px 4px; 
    border-radius: 10px; 
    line-height: 1; 
}

.login-link { 
    display: inline-block; 
    vertical-align: middle; 
    color: #ff4500; 
    text-decoration: none; 
    font-size: 11px; 
    border: 1px solid #ff4500; 
    padding: 4px 12px; 
    line-height: normal; 
}

/*页面标题区*/
.title-box { 
    padding: 60px 0; 
    text-align: center; 
}

.title-box h2 { 
    font-weight: 200; 
    letter-spacing: 10px; 
    margin: 0; 
    text-transform: uppercase; 
}

/*三栏内容区 (main-content)*/
.main-content { 
    background: #fff; 
    padding: 80px 0; 
    color: #000; 
}

.wrap { 
    width: 95%; 
    max-width: 1200px; 
    margin: 0 auto; 
}

/* 使用 Float 实现三栏布局 */
.box { 
    float: left; 
    width: 31%; 
    margin: 0 1.16%; 
    border: 1px solid #eee; 
    padding: 15px; 
    cursor: pointer; 
    transition: 0.3s;
}

.box:hover { 
    border-color: #ff4500; 
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); 
}

.media-box { 
    width: 100%; 
    aspect-ratio: 1/1; 
    overflow: hidden; 
    margin-bottom: 15px; 
    background: #000; 
}

.media-box video, 
.media-box img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: 0.5s; 
}

/* 音乐播放时的黑胶旋转动画 */
.box.playing .media-box video, 
.box.playing .media-box img { 
    border-radius: 50%; 
    animation: spin 8s linear infinite; 
}

@keyframes spin { 
    from { transform: rotate(0deg); } 
    to { transform: rotate(360deg); } 
}

.user { 
    font-weight: bold; 
    font-size: 12px; 
    margin-bottom: 8px; 
    display: block; 
    color: #333; 
}

.txt { 
    font-size: 13px; 
    color: #555; 
    line-height: 1.6; 
    height: 60px; 
    overflow: hidden; 
}

/* 页脚 (Footer)*/
.big-ft { 
    background: #000; 
    padding: 100px 6% 40px; 
    border-top: 1px solid #111; 
}

.ft-container::after { 
    content: ""; 
    display: table; 
    clear: both; 
}

.ft-text { 
    float: left; 
    width: 25%; 
}

.ft-text h4 { 
    font-size: 11px; 
    color: #ff4500; 
    letter-spacing: 4px; 
    margin-bottom: 30px; 
    text-transform: uppercase; 
}

.ft-text a { 
    display: block; 
    color: #555; 
    text-decoration: none; 
    font-size: 12px; 
    margin-bottom: 15px; 
    transition: 0.3s; 
}

.ft-text a:hover { 
    color: #fff; 
}

.ft-center { 
    float: left; 
    width: 50%; 
    text-align: center; 
}

.big-logo { 
    font-size: 32px; 
    letter-spacing: 15px; 
    font-weight: 200; 
    margin-bottom: 25px; 
    display: block; 
    color: #fff; 
    text-decoration: none; 
}

.ft-center p { 
    color: #444; 
    font-size: 12px; 
    line-height: 2; 
    margin: 0; 
}

.ft-text.right { 
    float: right; 
    text-align: right; 
}

.ft-bottom-line { 
    margin-top: 100px; 
    padding-top: 35px; 
    border-top: 1px solid #080808; 
    font-size: 9px; 
    color: #222; 
    letter-spacing: 3px; 
}

.ft-bottom-line::after { 
    content: ""; 
    display: table; 
    clear: both; 
}

.ft-bottom-line div:first-child { 
    float: left; 
}

.ft-bottom-line div:last-child { 
    float: right; 
}