*{
    outline: none;
    -moz-user-select:none; /* Firefox私有属性 */
    -webkit-user-select:none; /* WebKit内核私有属性 */
    -ms-user-select:none; /* IE私有属性(IE10及以后) */
    -khtml-user-select:none; /* KHTML内核私有属性 */
    -o-user-select:none; /* Opera私有属性 */
    user-select:none; /* CSS3属性 */
}
/* 基础样式 */
:root {
    --primary-color: #ff9dbd; /* 淡粉色 */
    --secondary-color: #87cefa; /* 天蓝色 */
    --white-color: #ffffff;
    --light-gray: #f5f5f5;
    --text-color: #333333;
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif;
}

body {
    background-color: var(--white-color);
    color: var(--text-color);
    line-height: 1.6;
    padding-bottom: 100px; /* 为音乐播放器留出空间 */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 28px;
    margin: 40px 0 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    font-size: 24px;
}

/* 头部样式 */
.site-header {
    background-color: var(--white-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo-container .logo {
    height: 50px;
}

.header-icons {
    display: flex;
    gap: 20px;
}

.icon {
    width: 40px;
    height: 40px;
    background-color: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.icon:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
}

/* 导航栏样式 */
.main-nav {
    /*background-color: var(--white-color);*/
    /*box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);*/
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: flex-start;
}

.menu-toggle {
    margin: 0;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    /*padding: 10px;*/
    /*margin: 10px 0;*/
}

.fullscreen-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.fullscreen-nav.active {
    display: flex;
}

.close-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    font-size: 30px;
    color: var(--primary-color);
    cursor: pointer;
}

.nav-menu {
    list-style: none;
    text-align: center;
}

.nav-menu li {
    margin: 20px 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 24px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* 轮播图样式 */
.slider-section {
    margin-top: 30px;
}

.slider-container {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.slider {
    display: flex;
    height: 400px;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.1), transparent);
    color: var(--white-color);
}

.slide-content h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.slide-content p {
    font-size: 18px;
}

.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    padding: 0 20px;
}

.slider-controls button {
    background-color: #87cefa82;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: var(--white-color);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-controls button:hover {
    background-color: var(--primary-color);
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 146, 218, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: #ff4faf;
    transform: scale(1.2);
}

/* 热门歌曲样式 */
.songs-section {
    margin-top: 50px;
}

.songs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.song-card {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.song-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.song-cover {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.song-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.song-card:hover .song-cover img {
    transform: scale(1.05);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 157, 189, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    font-size: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.song-card:hover .play-btn {
    opacity: 1;
}

.song-title {
    font-size: 18px;
    margin: 15px 15px 5px;
}

.song-artist {
    font-size: 14px;
    color: #666;
    margin: 0 15px 15px;
}

/* 最新动态样式 */
.news-section {
    margin-top: 50px;
}

.news-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 8px 15px;
    background-color: var(--light-gray);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.news-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.news-item {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
}

.news-date {
    font-size: 14px;
    color: #888;
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.news-excerpt {
    font-size: 14px;
    color: #555;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    font-size: 14px;
    color: var(--secondary-color);
    text-decoration: none;
    display: inline-block;
    position: relative;
}

.read-more::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.read-more:hover::after {
    width: 100%;
}

.view-all {
    text-align: center;
    margin-top: 30px;
}

.view-all-btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.view-all-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* 音乐播放器样式 */
.music-player {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--white-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.music-player.active {
    transform: translateY(0);
}

.player-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.player-info {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 250px;
}

.album-cover {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    overflow: hidden;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.song-info h3 {
    font-size: 16px;
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-info p {
    font-size: 12px;
    color: #888;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.control-btn {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-color);
    cursor: pointer;
    transition: color 0.3s ease;
}

.control-btn:hover {
    color: var(--primary-color);
}

.play-btn {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    color: var(--white-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-container {
    flex: 1;
    max-width: 500px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.time {
    font-size: 12px;
    color: #888;
    min-width: 35px;
}

.progress-bar {
    flex: 1;
    height: 4px;
    background-color: #eee;
    border-radius: 2px;
    cursor: pointer;
}

.progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 2px;
    width: 0;
    position: relative;
}

.progress::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.progress-bar:hover .progress::after {
    opacity: 1;
}

.playlist-toggle {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-color);
    cursor: pointer;
    transition: color 0.3s ease;
}

.playlist-toggle:hover {
    color: var(--primary-color);
}

.playlist {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--light-gray);
}

.playlist.active {
    max-height: 300px;
    overflow-y: auto;
}

.playlist h3 {
    padding: 15px 20px;
    font-size: 18px;
    border-bottom: 1px solid #ddd;
}

.song-list {
    list-style: none;
}

.song-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.song-item:hover {
    background-color: rgba(255, 157, 189, 0.1);
}

.song-item.active {
    background-color: rgba(255, 157, 189, 0.2);
}

.song-no {
    width: 30px;
    color: #888;
}

.song-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-artist {
    width: 150px;
    color: #888;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-duration {
    width: 50px;
    text-align: right;
    color: #888;
    font-size: 14px;
}

/* 页脚样式 */
.site-footer {
    background-color: #f8f8f8;
    padding: 50px 0 20px;
    margin-top: 50px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-logo img {
    height: 60px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    flex: 1;
}

.link-group h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 10px;
}

.link-group a {
    text-decoration: none;
    color: #666;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--primary-color);
}

.social-links i {
    width: 20px;
    text-align: center;
    margin-right: 5px;
}

.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    color: #888;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .slider {
        height: 300px;
    }

    .slide-content h2 {
        font-size: 24px;
    }

    .slide-content p {
        font-size: 16px;
    }

    .player-container {
        flex-wrap: wrap;
        gap: 15px;
    }

    .progress-container {
        order: 3;
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .slider {
        height: 200px;
    }

    .slide-content {
        padding: 15px;
    }

    .slide-content h2 {
        font-size: 18px;
    }

    .slide-content p {
        font-size: 14px;
    }

    .songs-grid {
        grid-template-columns: 1fr;
    }

    .news-container {
        grid-template-columns: 1fr;
    }
}
/* 新增背景样式 */
body {
    background: url('../img/back.jpg') no-repeat center center fixed;
    background-size: cover;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0);
    z-index: -1;
}

/* 模块透明度交替效果 */
.slider-section,
.songs-section,
.news-section {
    background-color: rgba(255, 255, 255, 1);
    backdrop-filter: blur(5px);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
}

.songs-section {
    background-color: rgba(255, 255, 255, 0.5);
}

/* 增加模块间距 */
.container {
    padding-top: 30px;
    padding-bottom: 30px;
}

/* 轮播图按钮范围调整 */
.slider-container {
    position: relative;
}

.slider-controls {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.slider-controls button {
    pointer-events: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.slider-controls .prev-slide {
    left: 20px;
}

.slider-controls .next-slide {
    right: 20px;
}

.slider-container:hover .slider-controls button {
    opacity: 1;
}

/* 折叠菜单优化 */
.fullscreen-nav {
    position: fixed;
    top: 80px; /* 与顶部菜单栏高度一致 */
    left: 0;
    width: 100%;
    height: calc(100% - 80px);
    background-color: rgba(255, 255, 255, 0.98);
    z-index: 9998;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.5s ease;
    backdrop-filter: blur(10px);
}

.fullscreen-nav.active {
    transform: translateY(0);
    opacity: 1;
}

.nav-menu li {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.fullscreen-nav.active .nav-menu li {
    opacity: 1;
    transform: translateY(0);
}

.fullscreen-nav.active .nav-menu li:nth-child(1) { transition-delay: 0.1s; }
.fullscreen-nav.active .nav-menu li:nth-child(2) { transition-delay: 0.2s; }
.fullscreen-nav.active .nav-menu li:nth-child(3) { transition-delay: 0.3s; }
.fullscreen-nav.active .nav-menu li:nth-child(4) { transition-delay: 0.4s; }
.fullscreen-nav.active .nav-menu li:nth-child(5) { transition-delay: 0.5s; }
.fullscreen-nav.active .nav-menu li:nth-child(6) { transition-delay: 0.6s; }
.fullscreen-nav.active .nav-menu li:nth-child(7) { transition-delay: 0.7s; }
.fullscreen-nav.active .nav-menu li:nth-child(8) { transition-delay: 0.8s; }

/* 新增现代科技感动画 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes glow {
    0% { box-shadow: 0 0 5px rgba(255, 157, 189, 0.5); }
    50% { box-shadow: 0 0 20px rgba(255, 157, 189, 0.8); }
    100% { box-shadow: 0 0 5px rgba(255, 157, 189, 0.5); }
}

/* 应用动画效果 */
.song-card:hover {
    animation: float 3s ease-in-out infinite, pulse 2s ease-in-out infinite;
}

.play-btn {
    animation: glow 2s ease-in-out infinite;
}

.section-title {
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    animation: widthGrow 1s ease-out forwards;
}

@keyframes widthGrow {
    from { width: 0; }
    to { width: 50px; }
}

/* 3D翻转效果 */
.song-cover {
    perspective: 1000px;
}

.song-cover img {
    transition: transform 0.5s ease, opacity 0.5s ease;
}

.song-card:hover .song-cover img {
    transform: rotateY(15deg) scale(1.05);
}

/* 粒子动画效果 */
.particle {
    position: absolute;
    background-color: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .slider-section,
    .songs-section,
    .news-section {
        padding: 20px;
        margin-bottom: 30px;
    }

    .fullscreen-nav {
        top: 70px;
        height: calc(100% - 70px);
    }
}

/* 菜单按钮动画 */
.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 24px;
    width: 30px;
    position: relative;
    z-index: 9999;
}

.menu-toggle .bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 自定义光标 */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-color);
    pointer-events: none;
    mix-blend-mode: multiply;
    transform: translate(-50%, -50%);
    z-index: 9999;
    transition: transform 0.1s ease;
}

.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9998;
    transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease;
}

/* 悬停时的光标效果 */
a, button, .song-card, .play-btn {
    cursor: none;
}

a:hover ~ .cursor,
button:hover ~ .cursor,
.song-card:hover ~ .cursor,
.play-btn:hover ~ .cursor {
    transform: translate(-50%, -50%) scale(1.5);
    background-color: var(--secondary-color);
}

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-circle {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}