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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background-color: #f5f5f5;
    line-height: 1.6;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部信息栏 */
.top-bar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 8px 0;
    font-size: 14px;
}

.top-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    font-weight: 500;
}

.top-bar-right {
    display: flex;
    gap: 25px;
}

.top-bar-right span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-right i {
    font-size: 14px;
}

/* 导航栏 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: 0 30px;
    height: 80px;
    line-height: 80px;
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #667eea;
    background: #f8f9ff;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    width: 60%;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* 导航栏下拉二级菜单 
.nav-menu .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    min-width: 600px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid #f0f0f0;
}

.nav-menu li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding: 0;
}

.dropdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    border-right: 1px solid #f0f0f0;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    font-size: 15px;
    height: auto;
    line-height: normal;
}

.dropdown-item:nth-child(3n) {
    border-right: none;
}

.dropdown-item:nth-last-child(-n+3) {
    border-bottom: none;
}

.dropdown-item:hover {
    background: #f8f9fa;
    color: #667eea;
}

.dropdown-item span {
    font-size: 15px;
    font-weight: normal;
}

.dropdown-item i {
    font-size: 14px;
    color: #999;
}

.dropdown-item:hover i {
    color: #667eea;
}*/

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.9;
}

/* 子菜单 - 图片样式 */
.sub-nav {
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
}

.sub-nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.sub-nav-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    border-right: 1px solid #f0f0f0;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    font-size: 15px;
}

.sub-nav-item:nth-child(3n) {
    border-right: none;
}

.sub-nav-item:nth-last-child(-n+3) {
    border-bottom: none;
}

.sub-nav-item:hover {
    background: #f8f9fa;
    color: #667eea;
}

.sub-nav-item span {
    font-size: 15px;
    font-weight: normal;
}

.sub-nav-item i {
    font-size: 14px;
    color: #999;
}

.sub-nav-item:hover i {
    color: #667eea;
}

/* 主要内容区域 */
.main-content {
    padding: 50px 0;
}

/* 卡片样式 */
.card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 48px;
}

.card-content {
    padding: 25px;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.card-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 30px;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* 专辑卡片 */
.album-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.album-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.album-cover {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.album-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.2)" stroke-width="2"/></svg>');
    background-size: 80%;
    background-position: center;
    background-repeat: no-repeat;
}

.album-cover-text {
    color: #fff;
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.album-info {
    padding: 25px;
}

.album-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.song-list {
    list-style: none;
}

.song-list li {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.song-list li:last-child {
    border-bottom: none;
}

.song-name {
    font-size: 14px;
    color: #555;
    display: flex;
    align-items: center;
    gap: 8px;
}

.song-name::before {
    content: '♪';
    color: #667eea;
    font-size: 12px;
}

.song-play {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.song-play:hover {
    transform: scale(1.1);
}

/* 新闻列表 */
.news-list {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 25px 0;
    border-bottom: 1px solid #f0f0f0;
}

.news-item:last-child {
    border-bottom: none;
}

.news-date {
    min-width: 80px;
    text-align: center;
}

.news-date-day {
    font-size: 36px;
    font-weight: bold;
    color: #667eea;
    line-height: 1;
}

.news-date-month {
    font-size: 14px;
    color: #999;
}

.news-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.news-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 联系信息 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    background: #fff;
    padding: 35px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 20px;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.contact-card p {
    font-size: 14px;
    color: #666;
}

/* 表单样式 */
.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚 */
.footer {
    background: #2d3748;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section p,
.footer-section a {
    font-size: 14px;
    color: #a0aec0;
    line-height: 1.8;
    text-decoration: none;
}

.footer-section a:hover {
    color: #667eea;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 20px 20px 0;
    border-top: 1px solid #4a5568;
    text-align: center;
    font-size: 14px;
    color: #a0aec0;
}

/* 首页Banner */
.hero-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 200px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 核心业务区域 */
.business-section {
    padding: 80px 0;
    background: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 16px;
    color: #666;
}

.business-card {
    text-align: center;
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.business-card:hover {
    background: #fff;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.business-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 25px;
}

.business-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.business-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 专辑展示区域 */
.albums-section {
    padding: 80px 0;
    background: #f5f5f5;
}

.beian-links a {
    color: #a0aec0;
    font-size: 14px;
    line-height: 1.8;
    text-decoration: none;
    transition: all 0.3s ease;
}

.beian-links a:hover {
    color: #667eea;
    cursor: pointer;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .grid-3,
    .grid-4,
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .navbar-content {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-menu a {
        padding: 0 15px;
        height: 50px;
        line-height: 50px;
        font-size: 14px;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .sub-nav-content {
        grid-template-columns: 1fr;
    }
    
    .sub-nav-item {
        border-right: none;
    }
    
    .sub-nav-item:nth-child(3n) {
        border-right: none;
    }
    
    .sub-nav-item:nth-last-child(-n+3) {
        border-bottom: 1px solid #e0e0e0;
    }
    
    .sub-nav-item:last-child {
        border-bottom: none;
    }
    
    .top-bar-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .top-bar {
        display: none;
    }
}