/* 通用样式 */
:root {
    /* 核心色板 - 赛博朋克/科技风 */
    --bg-dark: #0f0f1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    
    /* 霓虹点缀色 */
    --neon-blue: #00f2ff;
    --neon-purple: #bc13fe;
    --neon-pink: #ff0055;
    --neon-green: #0aff0a;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    --gradient-text: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    
    /* 阴影/发光 */
    --glow-primary: 0 0 15px rgba(0, 242, 255, 0.5);
    --glow-secondary: 0 0 15px rgba(188, 19, 254, 0.5);
    
    /* 字体 */
    --font-main: "Orbitron", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

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

/* 头部样式 */
.site-header {
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 24px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
}

.venue-badge,
.team-badge {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--neon-blue);
    color: #000;
    font-weight: bold;
    box-shadow: 0 0 10px var(--neon-blue);
}

.team-badge {
    background: var(--neon-purple);
    color: #fff;
    box-shadow: 0 0 10px var(--neon-purple);
}

.venue-header-nav {
    border-bottom: 2px solid var(--neon-blue);
}

.team-header-nav {
    border-bottom: 2px solid var(--neon-purple);
}

.main-nav {
    display: flex;
    gap: 30px;
}

.mobile-nav-toggle {
    display: none;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    font-size: 22px;
    line-height: 1;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-item {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 600;
    transition: all 0.3s;
    position: relative;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.nav-item:hover,
.nav-item.active {
    color: #ffffff;
    text-shadow:
        0 0 8px rgba(0, 242, 255, 0.75),
        0 0 14px rgba(0, 242, 255, 0.35);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-blue);
    transition: width 0.3s;
}

.nav-item:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 25px;
    text-decoration: none;
    border-radius: 50px; /* 圆角更具现代感 */
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 242, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 255, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    color: #fff;
    box-shadow: 0 4px 15px rgba(188, 19, 254, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(188, 19, 254, 0.5);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 5px var(--neon-blue) inset;
}

.btn-outline:hover {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 15px var(--neon-blue);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 12px;
}

img {
    max-width: 100%;
    height: auto;
}

/* 底部样式 */
.site-footer {
    background: #0a0a12;
    color: var(--text-secondary);
    margin-top: 60px;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    margin-bottom: 20px;
    color: #fff;
    font-size: 18px;
    border-left: 3px solid var(--neon-blue);
    padding-left: 10px;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-section a:hover {
    color: var(--neon-blue);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--neon-blue);
}

/* 响应式 */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: 10px;
        align-items: center;
        padding: 10px 0;
    }

    .logo a {
        font-size: 18px;
    }

    .mobile-nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .main-nav {
        width: 100%;
        order: 3;
        display: none;
        flex-direction: column;
        gap: 8px;
        padding: 8px 0 2px;
    }

    .main-nav.mobile-open {
        display: flex;
    }

    .nav-item {
        display: block;
        padding: 8px 10px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.06);
    }

    .header-actions {
        width: 100%;
        order: 2;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 8px;
    }

    .btn {
        padding: 8px 14px;
        letter-spacing: 0.3px;
        text-transform: none;
    }

    .container {
        padding: 0 12px;
    }

    .site-footer {
        padding: 42px 0 24px;
    }

    .footer-content {
        gap: 22px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }

    table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}