/* 禁止文本选择和图像拖拽 */
* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

/* 科技感色调变量 */
:root {
    --primary-gold: #d4af37;
    --glow-color: #ffd700;
    --dark-bg: #0c0c14;
    --card-bg: rgba(20, 20, 30, 0.7);
    --text-light: #ffffff;
    --text-gray: #aaaaaa;
    --neon-glow: 0 0 20px var(--glow-color);
    --border-glow: rgba(217, 199, 166, 0.3);
}

/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础布局 */
html {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    position: relative;
    overflow-x: hidden;
}

/* 科技感背景效果 */
.tech-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.grid-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, rgba(138, 109, 59, 0.05) 1px, transparent 1px) 0 0 / 50px 50px,
        linear-gradient(rgba(138, 109, 59, 0.05) 1px, transparent 1px) 0 0 / 50px 50px;
    opacity: 0.3;
}

.glow-spot-1 {
    position: absolute;
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(217, 199, 166, 0.1) 0%, transparent 70%);
    filter: blur(60px);
}

.glow-spot-2 {
    position: absolute;
    width: 250px;
    height: 250px;
    bottom: 15%;
    left: 10%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
    filter: blur(60px);
}

.floating-hearts {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.heart {
    position: absolute;
    color: rgba(217, 199, 166, 0.2);
    font-size: 16px;
    opacity: 0;
    animation: floatHeart 15s linear infinite;
    pointer-events: none;
}

@keyframes floatHeart {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.4;
    }
    90% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* 主内容容器 */
.main-group {
    flex: 1;
    padding: 40px 20px 120px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    position: relative;
    z-index: 1;
}

/* 页面标题 */
.page-header {
    text-align: center;
    padding: 40px 20px 20px;
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 15px;
    font-weight: 300;
    position: relative;
    display: inline-block;
}

.page-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--glow-color), transparent);
}

.title-highlight {
    background: linear-gradient(135deg, var(--glow-color), var(--primary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 400;
}

.page-subtitle {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
    letter-spacing: 1px;
}

/* 卡片样式 - 科技感设计 */
.scene-card {
    width: 100%;
    max-width: 300px;
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.3),
        inset 0 0 20px rgba(255, 215, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
    cursor: pointer;
}

.scene-card:hover {
    transform: translateY(-10px);
    border-color: var(--glow-color);
    box-shadow: 
        0 20px 40px rgba(138, 109, 59, 0.2),
        inset 0 0 30px rgba(255, 215, 0, 0.1);
}

.scene-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 215, 0, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: -1;
}

.scene-card:hover::before {
    opacity: 1;
}

.card-image {
    height: 220px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-glow);
}

.card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(12, 12, 20, 0.8) 100%);
    pointer-events: none;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.scene-card:hover .card-image img {
    transform: scale(1.08);
}

.card-content {
    padding: 25px;
}

.card-title {
    font-size: 1.4rem;
    color: var(--text-light);
    margin-bottom: 12px;
    font-weight: 400;
    position: relative;
    padding-bottom: 12px;
}

.card-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--glow-color);
    transition: width 0.4s ease;
}

.scene-card:hover .card-title:after {
    width: 60px;
}

.card-desc {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 0.95rem;
    font-weight: 300;
}

.card-button {
    display: inline-block;
    padding: 10px 25px;
    background: linear-gradient(135deg, rgba(20, 20, 30, 0.8), rgba(12, 12, 20, 0.9));
    color: var(--text-light);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 400;
    transition: all 0.3s ease;
    border: 1px solid var(--border-glow);
    box-shadow: 
        3px 3px 8px rgba(0, 0, 0, 0.5),
        -3px -3px 8px rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.card-button:hover {
    color: var(--glow-color);
    border-color: var(--glow-color);
    transform: translateY(-3px);
    box-shadow: 
        5px 5px 12px rgba(0, 0, 0, 0.6),
        -5px -5px 12px rgba(255, 255, 255, 0.1);
}

.card-button:active {
    transform: translateY(0);
}

.card-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    transition: left 0.6s ease;
}

.card-button:hover::before {
    left: 100%;
}

/* 底部导航 */
.footer-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: rgba(20, 20, 30, 0.9);
    box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-glow);
    z-index: 100;
}

.footer-nav table {
    width: 100%;
}

/* 返回首页按钮 */
.home-btn {
    display: inline-block;
    padding: 14px 35px;
    background: linear-gradient(135deg, rgba(20, 20, 30, 0.9), rgba(12, 12, 20, 0.9));
    color: var(--text-light);
    text-decoration: none;
    border-radius: 30px;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-glow);
    box-shadow: 
        4px 4px 10px rgba(0, 0, 0, 0.5),
        -4px -4px 10px rgba(255, 255, 255, 0.05);
    font-weight: 400;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.home-btn:hover {
    color: var(--glow-color);
    border-color: var(--glow-color);
    transform: translateY(-3px);
    box-shadow: 
        6px 6px 15px rgba(0, 0, 0, 0.6),
        -6px -6px 15px rgba(255, 255, 255, 0.1);
}

.home-btn:active {
    transform: translateY(0);
}

.home-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.home-btn i {
    margin-right: 10px;
    color: var(--glow-color);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scene-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

/* 响应式设计 */
/* 移动端优化 */
@media (max-width: 768px) {
    .main-group {
        padding: 30px 15px 100px;
        gap: 25px;
    }
    
    .scene-card {
        max-width: 100%;
        animation-delay: calc(var(--card-index, 0) * 0.1s);
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
        padding: 0 15px;
    }
    
    .footer-nav {
        padding: 15px;
    }
    
    .home-btn {
        width: 100%;
        max-width: 300px;
        padding: 12px 25px;
        font-size: 15px;
    }
    
    .glow-spot-1, .glow-spot-2 {
        display: none;
    }
}

/* 平板优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .main-group {
        padding: 35px 25px 110px;
    }
    
    .scene-card {
        max-width: 280px;
        animation-delay: calc(var(--card-index, 0) * 0.1s);
    }
}

/* 大屏幕优化 */
@media (min-width: 1200px) {
    .main-group {
        padding: 50px 30px 120px;
    }
    
    .scene-card {
        max-width: 320px;
        animation-delay: calc(var(--card-index, 0) * 0.1s);
    }
}