* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #c1121f;
    --secondary: #1a1a1a;
    --accent: #d4af37;
    --light: #f8f9fa;
    --dark: #0d0d0d;
    --gray: #6c757d;
    --completed: #28a745;
    --upcoming: #007bff;
    --planned: #6c757d;
}

body {
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏样式 */
header {
    background-color: rgba(26, 26, 26, 0.95);
    position: fixed;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--light);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
    margin: 0 5px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 24px;
}

/* 页面标题 */
.page-hero {
    background: linear-gradient(rgba(13, 13, 13, 0.5), rgba(13, 13, 13, 0.5)), 
                url("images/e9.jpg");
    background-size: cover;
    background-position:top;
    padding: 150px 0 80px;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.page-hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    color: var(--gray);
}

/* 部分标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: inline-block;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-color: var(--primary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* 筛选部分 */
.filter-section {
    padding: 50px 0 30px;
    background-color: var(--secondary);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.filter-btn {
    background-color: transparent;
    color: var(--light);
    border: 2px solid var(--primary);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--primary);
    color: var(--light);
}

/* 演唱会列表 */
.concerts-section {
    padding: 80px 0;
    background-color: var(--dark);
}

.concert-year {
    margin-bottom: 60px;
}

.year-title {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
}

.concert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.concert-card {
    background: linear-gradient(145deg, var(--secondary), #222);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--primary);
}

.concert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(193, 18, 31, 0.3);
}

.concert-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    margin-right: 20px;
}

.date-day {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.date-month {
    font-size: 1rem;
    color: var(--gray);
    font-weight: 500;
}

.concert-info {
    flex: 1;
}

.concert-info h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--light);
}

.concert-location {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 5px;
}

.concert-venue {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.concert-status {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.concert-status.completed {
    background-color: var(--completed);
    color: white;
}

.concert-status.upcoming {
    background-color: var(--upcoming);
    color: white;
}

.concert-status.planned {
    background-color: var(--planned);
    color: white;
}

.concert-actions {
    display: flex;
    align-items: center;
    margin-left: 15px;
}

.detail-btn,
.ticket-btn,
.info-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.detail-btn {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.detail-btn:hover {
    background-color: var(--primary);
    color: white;
}

.ticket-btn {
    background-color: var(--primary);
    color: white;
}

.ticket-btn:hover {
    background-color: #a50e18;
    transform: translateY(-2px);
}

.info-btn {
    background-color: transparent;
    color: var(--gray);
    border: 2px solid var(--gray);
}

.info-btn:hover {
    background-color: var(--gray);
    color: white;
}

/* 统计部分 */
.stats-section {
    padding: 80px 0;
    background-color: var(--secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-card {
    background: linear-gradient(145deg, var(--dark), #222);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.stat-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent);
}

.stat-text {
    color: var(--light);
    font-size: 1.1rem;
}

/* 即将到来的演唱会 */
.upcoming-section {
    padding: 80px 0;
    background-color: var(--dark);
}

.highlight-concerts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.highlight-card {
    background: linear-gradient(135deg, var(--secondary), #222);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--primary);
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(193, 18, 31, 0.4);
}

.highlight-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 100px;
    margin-right: 25px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 15px;
    padding: 20px 15px;
}

.highlight-day {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.highlight-month {
    font-size: 1rem;
    color: white;
    font-weight: 500;
    text-align: center;
}

.highlight-info {
    flex: 1;
}

.highlight-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--light);
}

.highlight-location {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.highlight-desc {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.5;
}

.countdown {
    display: flex;
    gap: 15px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    background: rgba(193, 18, 31, 0.1);
    padding: 10px;
    border-radius: 10px;
    min-width: 60px;
    text-align: center;
}

.countdown-label {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 5px;
}

.highlight-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-left: 20px;
    justify-content: center;
}

.primary-btn,
.secondary-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
    min-width: 120px;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(193, 18, 31, 0.4);
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.secondary-btn:hover {
    background-color: var(--primary);
    color: white;
}

/* 页脚样式 */
footer {
    background-color: var(--dark);
    padding: 60px 0 30px;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.social-links {
    display: flex;
    margin-bottom: 30px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary);
    color: var(--light);
    margin: 0 10px;
    transition: all 0.3s;
}

.social-links a:hover {
    background-color: var(--primary);
    transform: translateY(-5px);
}

.copyright {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .page-hero h1 {
        font-size: 2.5rem;
    }
    
    .concert-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .highlight-concerts {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 0;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: var(--secondary);
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .page-hero h1 {
        font-size: 2.2rem;
    }
    
    .concert-card {
        flex-direction: column;
        text-align: center;
    }
    
    .concert-date {
        margin-right: 0;
        margin-bottom: 15px;
        flex-direction: row;
        gap: 10px;
    }
    
    .date-day {
        font-size: 1.8rem;
    }
    
    .concert-actions {
        margin-left: 0;
        margin-top: 15px;
        justify-content: center;
    }
    
    .highlight-card {
        flex-direction: column;
        text-align: center;
    }
    
    .highlight-date {
        margin-right: 0;
        margin-bottom: 20px;
        flex-direction: row;
        gap: 10px;
        padding: 15px;
    }
    
    .highlight-actions {
        margin-left: 0;
        margin-top: 20px;
        flex-direction: row;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .page-hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .concert-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 200px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .highlight-concerts {
        grid-template-columns: 1fr;
    }
    
    .countdown {
        justify-content: center;
    }
}