/**
 * 日落之后轻RP服务器官网样式文件
 * 现代化科技风格设计，融入服务器主题元素
 */

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 根变量定义 - 日落主题色彩 */
:root {
    --primary-color: #ff6b35;      /* 日落橙 */
    --secondary-color: #f7931e;    /* 金橙色 */
    --accent-color: #ffd23f;       /* 金黄色 */
    --dark-bg: #0a0a0a;           /* 深黑背景 */
    --darker-bg: #050505;         /* 更深背景 */
    --card-bg: rgba(255, 107, 53, 0.1); /* 半透明卡片背景 */
    --text-primary: #ffffff;      /* 主文字颜色 */
    --text-secondary: #cccccc;    /* 次要文字颜色 */
    --text-muted: #888888;        /* 弱化文字颜色 */
    --border-color: rgba(255, 107, 53, 0.3); /* 边框颜色 */
    --gradient-primary: linear-gradient(135deg, #ff6b35, #f7931e);
    --gradient-secondary: linear-gradient(135deg, #f7931e, #ffd23f);
    --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* 基础字体和滚动条 */
body {
    font-family: 'Roboto', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.3));
}

.logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 15px rgba(255, 107, 53, 0.5));
}

.nav-logo h2 {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* 移动端汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(2px 2px at 20px 30px, #eee, transparent),
                radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
                radial-gradient(1px 1px at 90px 40px, #fff, transparent),
                radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
                radial-gradient(2px 2px at 160px 30px, #ddd, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: twinkle 4s ease-in-out infinite alternate;
}

.city-silhouette {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to top, var(--darker-bg), transparent);
    background-image: 
        linear-gradient(90deg, transparent 0%, var(--primary-color) 2%, transparent 4%),
        linear-gradient(90deg, transparent 10%, var(--secondary-color) 12%, transparent 14%),
        linear-gradient(90deg, transparent 20%, var(--accent-color) 22%, transparent 24%);
    background-size: 50px 100px, 30px 80px, 40px 120px;
    background-repeat: repeat-x;
    background-position: 0 0, 0 20px, 0 40px;
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 107, 53, 0.5);
    animation: glow 2s ease-in-out infinite alternate;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 通用区域样式 */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 服务器介绍区域 */
.server-intro {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(247, 147, 30, 0.05));
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.intro-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.intro-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 团队成员区域 */
.team-section {
    background: var(--darker-bg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
}

.team-avatar {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.team-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.team-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 活动区域 */
.events-section {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(247, 147, 30, 0.05));
}

.events-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.event-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
}

.event-date {
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.event-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.event-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.event-status {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.event-status.ongoing {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid #22c55e;
}

.event-status.upcoming {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid #3b82f6;
}

.event-status.completed {
    background: rgba(107, 114, 128, 0.2);
    color: #6b7280;
    border: 1px solid #6b7280;
}

/* 社交媒体区域 */
.social-section {
    background: var(--darker-bg);
}

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.social-link {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    text-align: center;
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
}

.social-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.social-link h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.social-link p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 页脚样式 */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* 动画效果 */
@keyframes twinkle {
    0% { opacity: 0.3; }
    100% { opacity: 1; }
}

@keyframes glow {
    0% { text-shadow: 0 0 30px rgba(255, 107, 53, 0.5); }
    100% { text-shadow: 0 0 40px rgba(255, 107, 53, 0.8); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(10, 10, 10, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        backdrop-filter: blur(10px);
        border-top: 1px solid var(--border-color);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-logo {
        gap: 0.5rem;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .nav-logo h2 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .events-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .social-links {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}