/* 暗色琉璃主题 - 毛玻璃效果设计 */
:root {
    /* 暗色琉璃色彩方案 */
    --dark-bg-primary: #0A0A1A;
    --dark-bg-secondary: #1A1A3A;
    --dark-bg-gradient: linear-gradient(135deg, #0A0A1A 0%, #1A1A3A 100%);
    --glass-bg-light: rgba(255, 255, 255, 0.08);
    --glass-bg-medium: rgba(255, 255, 255, 0.12);
    --glass-bg-heavy: rgba(255, 255, 255, 0.15);
    --glass-bg-popup: rgb(24, 15, 22); /* 新增：弹出窗背景色 */
    --glass-border-light: rgba(255, 255, 255, 0.15);
    --glass-border-medium: rgba(255, 255, 255, 0.2);
    --glass-border-heavy: rgba(255, 255, 255, 0.25);
    
    /* 霓虹强调色 */
    --neon-primary: #00D4FF;
    --neon-secondary: #FF00FF;
    --neon-accent: #00FF9D;
    --neon-gradient: linear-gradient(135deg, #00D4FF 0%, #FF00FF 100%);
    
    /* 文字颜色 */
    --text-light: #FFFFFF;
    --text-muted: rgba(255, 255, 255, 0.7);
    --text-dim: rgba(255, 255, 255, 0.5);
    
    /* 阴影效果 */
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-heavy: 0 12px 36px rgba(0, 0, 0, 0.4);
    --shadow-glow-primary: 0 0 30px rgba(0, 212, 255, 0.4);
    --shadow-glow-secondary: 0 0 30px rgba(255, 0, 255, 0.4);
    --shadow-glow-accent: 0 0 30px rgba(0, 255, 157, 0.4);
}

/* 全局重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--dark-bg-gradient);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 现代字体系统 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
}

h1 {
    font-size: 4rem;
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--neon-gradient);
    border-radius: 2px;
}

h3 {
    font-size: 2rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* 英雄区域 - 暗色琉璃设计 */
.hero-section {
    min-height: 100vh;
    background: var(--dark-bg-gradient);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
}

/* 毛玻璃背景层 */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, rgba(10, 10, 26, 0.9) 0%, rgba(26, 26, 58, 0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1;
}

/* 粒子效果背景 */
.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 50%, rgba(0, 255, 157, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    width: 100%;
    padding: 3rem;
    background: var(--glass-bg-light);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border-light);
    border-radius: 32px;
    box-shadow: 
        var(--shadow-heavy),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.hero-logo {
    width: 200px;
    height: auto;
    margin-bottom: 2.5rem;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hero-logo:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 15px 30px rgba(0, 212, 255, 0.3));
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.hero-title b {
    color: var(--neon-accent);
    -webkit-text-fill-color: var(--neon-accent);
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-weight: 300;
    line-height: 1.5;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 英雄区域按钮组 - 重点突出 */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

/* 超大玻璃态按钮 */
.glass-btn {
    padding: 1.5rem 3.5rem;
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--glass-bg-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border-medium);
    border-radius: 60px;
    color: var(--text-light);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.glass-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glass-btn:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-heavy), var(--shadow-glow-primary);
    background: var(--glass-bg-heavy);
    border-color: var(--glass-border-heavy);
}

.glass-btn:hover::before {
    opacity: 1;
}

.glass-btn-primary {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(255, 0, 255, 0.2) 100%);
    border-color: var(--neon-primary);
    box-shadow: var(--shadow-medium), var(--shadow-glow-primary);
}

.glass-btn-primary:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(255, 0, 255, 0.3) 100%);
    box-shadow: var(--shadow-heavy), var(--shadow-glow-primary), 0 0 40px rgba(0, 212, 255, 0.5);
    border-color: var(--neon-secondary);
}

.glass-btn-secondary {
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.15) 0%, rgba(0, 212, 255, 0.15) 100%);
    border-color: var(--neon-accent);
    box-shadow: var(--shadow-medium), var(--shadow-glow-accent);
}

.glass-btn-secondary:hover {
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.25) 0%, rgba(0, 212, 255, 0.25) 100%);
    box-shadow: var(--shadow-heavy), var(--shadow-glow-accent), 0 0 40px rgba(0, 255, 157, 0.5);
    border-color: var(--neon-primary);
}

/* 按钮图标 */
.glass-btn i {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.glass-btn:hover i {
    transform: scale(1.2) rotate(10deg);
}

/* 脉冲动画 - 主按钮 */
@keyframes pulse {
    0% {
        box-shadow: var(--shadow-medium), var(--shadow-glow-primary);
    }
    50% {
        box-shadow: var(--shadow-medium), var(--shadow-glow-primary), 0 0 30px rgba(0, 212, 255, 0.6);
    }
    100% {
        box-shadow: var(--shadow-medium), var(--shadow-glow-primary);
    }
}

.glass-btn-primary {
    animation: pulse 3s infinite;
}

/* 向下滚动指示 */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-15px);
    }
    60% {
        transform: translateX(-50%) translateY(-7px);
    }
}

.scroll-text {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 500;
}

.arrow-down {
    color: var(--neon-primary);
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

/* 页脚 - 毛玻璃效果 */
.footer {
    background: var(--glass-bg-light);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-top: 1px solid var(--glass-border-light);
    color: var(--text-light);
    padding: 5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--neon-gradient);
}

.footer-logo {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.footer-tagline {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.footer-keywords {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 3rem;
}

.keyword-badge {
    padding: 0.75rem 1.75rem;
    background: var(--glass-bg-medium);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    font-size: 1rem;
    color: var(--text-light);
    border: 1px solid var(--glass-border-medium);
    transition: all 0.3s ease;
}

.keyword-badge:hover {
    background: var(--glass-bg-heavy);
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft), 0 0 20px rgba(0, 212, 255, 0.3);
    border-color: var(--neon-primary);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    h1 {
        font-size: 3.5rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 3.8rem;
    }
    
    .hero-content {
        padding: 2.5rem;
        margin: 0 1.5rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    h3 {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .glass-btn {
        padding: 1.25rem 2.5rem;
        font-size: 1.1rem;
    }
    
    .hero-logo {
        width: 160px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .hero-actions .glass-btn {
        width: 100%;
        max-width: 350px;
        justify-content: center;
    }
    
    .hero-content {
        padding: 2rem;
        margin: 0 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .glass-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .hero-logo {
        width: 140px;
    }
    
    .footer-logo {
        font-size: 2.5rem;
    }
    
    .footer-tagline {
        font-size: 1.2rem;
    }
}