:root {
    --neon-blue: #00f3ff;
    --neon-purple: #bc13fe;
    --neon-pink: #ff006e;
    --dark-bg: #0a0a0f;
    --card-bg: rgba(20, 20, 35, 0.8);
    --glass: rgba(255, 255, 255, 0.05);
}

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

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: #fff;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 动态背景 */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

.cyber-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, var(--dark-bg) 100%);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 5%;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    position: relative;
    padding: 0.5rem 0;
    transition: all 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-blue);
    transition: width 0.3s;
    box-shadow: 0 0 10px var(--neon-blue);
}

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

.nav-links a:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

/* 主要内容区 */
.main-content {
    margin-top: 80px;
    padding: 2rem 5%;
}

/* 赛博朋克按钮 */
.cyber-btn {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
    font-weight: bold;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
}

.cyber-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.4), transparent);
    transition: left 0.5s;
}

.cyber-btn:hover::before {
    left: 100%;
}

.cyber-btn:hover {
    background: var(--neon-blue);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--neon-blue);
}

.cyber-btn.purple {
    border-color: var(--neon-purple);
    color: var(--neon-purple);
}

.cyber-btn.purple:hover {
    background: var(--neon-purple);
    box-shadow: 0 0 20px var(--neon-purple);
}

/* 卡片样式 */
.cyber-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 10px;
    padding: 2rem;
    margin: 1rem 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.cyber-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
}

/* 表单样式 */
.cyber-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--neon-blue);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 243, 255, 0.3);
    color: #fff;
    border-radius: 5px;
    outline: none;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

/* 表格样式 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
}

.data-table th {
    background: rgba(0, 243, 255, 0.1);
    color: var(--neon-blue);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.data-table tr:hover {
    background: rgba(0, 243, 255, 0.05);
}

/* 动画 */
@keyframes glitch {
    0% { transform: translate(0) }
    20% { transform: translate(-2px, 2px) }
    40% { transform: translate(-2px, -2px) }
    60% { transform: translate(2px, 2px) }
    80% { transform: translate(2px, -2px) }
    100% { transform: translate(0) }
}

.glitch-text {
    animation: glitch 3s infinite;
}

/* 首页英雄区 */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glitch 5s infinite;
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
}

/* 倒计时 */
.countdown {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin: 3rem 0;
}

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

.countdown-item .number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--neon-blue);
    text-shadow: 0 0 20px var(--neon-blue);
    font-family: 'Courier New', monospace;
}

.countdown-item .label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
}

/* 分类标签 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
}

.tag {
    padding: 0.5rem 1rem;
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid var(--neon-blue);
    border-radius: 20px;
    color: var(--neon-blue);
    font-size: 0.9rem;
    transition: all 0.3s;
    cursor: pointer;
}

.tag:hover,
.tag.active {
    background: var(--neon-blue);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--neon-blue);
}

/* 评分星星 */
.rating {
    display: flex;
    gap: 0.5rem;
    font-size: 1.5rem;
}

.star {
    color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s;
}

.star.active,
.star:hover {
    color: var(--neon-purple);
    text-shadow: 0 0 10px var(--neon-purple);
}

/* 响应式 */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .countdown {
        gap: 1rem;
    }
    
    .countdown-item .number {
        font-size: 2rem;
    }
}


/* 页脚样式 */
.cyber-footer {
    position: relative;
    background: linear-gradient(180deg, rgba(10,10,15,0.9) 0%, rgba(5,5,10,1) 100%);
    border-top: 1px solid rgba(0, 243, 255, 0.3);
    margin-top: 5rem;
    padding: 3rem 5% 1.5rem;
    overflow: hidden;
}

.footer-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.02) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

.footer-content {
    position: relative;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    z-index: 1;
}

.footer-section {
    position: relative;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid rgba(0, 243, 255, 0.3);
    border-radius: 50%;
    color: var(--neon-blue);
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-icon:hover {
    background: var(--neon-blue);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--neon-blue);
    transform: translateY(-3px);
}

.footer-title {
    color: var(--neon-blue);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s;
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.footer-links a::before {
    content: '›';
    position: absolute;
    left: -15px;
    opacity: 0;
    color: var(--neon-blue);
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--neon-blue);
    padding-left: 15px;
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
}

.footer-links a:hover::before {
    opacity: 1;
    left: 0;
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.contact-icon {
    color: var(--neon-blue);
    font-size: 1.1rem;
}

.footer-bottom {
    position: relative;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 243, 255, 0.1);
    text-align: center;
}

.footer-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.deco-line {
    display: block;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
}

.deco-dot {
    color: var(--neon-blue);
    font-size: 0.8rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.tech-text {
    color: var(--neon-blue);
    font-family: 'Courier New', monospace;
}

.status-online {
    color: #0f0;
    text-shadow: 0 0 10px #0f0;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.footer-tech-info {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    font-family: 'Courier New', monospace;
    margin-top: 0.5rem;
}

.footer-tech-info .divider {
    margin: 0 1rem;
    color: rgba(0, 243, 255, 0.3);
}

/* 响应式 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .deco-line {
        width: 50px;
    }
}