/* 现代CSS重置和基础样式 */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调系统 - 现代蓝白风格 */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: #60a5fa;
    --primary-dark: #1d4ed8;
    --primary-opacity: rgba(59, 130, 246, 0.1);
    
    /* 辅助色调系统 */
    --secondary-color: #64748b;
    --secondary-light: #94a3b8;
    --secondary-dark: #475569;
    
    /* 功能色调系统 */
    --success-color: #10b981;
    --success-light: #34d399;
    --success-dark: #059669;
    
    --danger-color: #ef4444;
    --danger-light: #f87171;
    --danger-dark: #dc2626;
    
    --warning-color: #f59e0b;
    --warning-light: #fbbf24;
    --warning-dark: #d97706;
    
    /* 中性色调系统 */
    --light-color: #f8fafc;
    --light-hover: #f1f5f9;
    --light-dark: #e2e8f0;
    
    --dark-color: #1e293b;
    --dark-light: #334155;
    --dark-dark: #0f172a;
    
    /* 文本色调系统 */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-light: #f8fafc;
    
    /* 边框色调系统 */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-dark: #cbd5e1;
    
    /* 阴影系统 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(59, 130, 246, 0.4);
    --shadow-blue: 0 0 25px rgba(59, 130, 246, 0.2);
    --shadow-blue-lg: 0 0 40px rgba(59, 130, 246, 0.3);
    
    /* 边框半径系统 */
    --border-radius: 1rem;
    --border-radius-sm: 0.5rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;
    --border-radius-full: 9999px;
    
    /* 间距系统 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;
    
    /* 过渡系统 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* 字体系统 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'Fira Code', 'Consolas', 'Monaco', monospace;
    
    /* 字体大小系统 */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* 字体权重系统 */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;
    
    /* 行高系统 */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* 渐变系统 */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --gradient-primary-hover: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #64748b 0%, #94a3b8 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --gradient-light: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    
    /* 背景系统 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #1e293b;
    --bg-dark-light: #334155;
    
    /* Z-index系统 */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: all var(--transition);
    text-rendering: optimizeLegibility;
    letter-spacing: 0.02em;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--primary-opacity);
    z-index: var(--z-fixed);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-md);
}

.navbar.scrolled {
    box-shadow: var(--shadow-xl);
    background-color: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Logo 优化 */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.45rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    background: var(--gradient-primary);
    background-opacity: 0.15;
    box-shadow: 0 4px 15px var(--primary-opacity);
    position: relative;
    overflow: hidden;
}

.logo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary-hover);
    background-opacity: 0.2;
    opacity: 0;
    border-radius: var(--border-radius);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.logo:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px var(--shadow-glow);
}

.logo:hover::before {
    opacity: 1;
}

.logo img {
    width: 2.75rem;
    height: 2.75rem;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
}

.logo:hover img {
    transform: rotate(5deg) scale(1.1);
}

/* 导航链接优化 */
.nav-links {
    display: flex;
    list-style: none;
    gap: 0.75rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.85rem 1.5rem;
    border-radius: var(--border-radius-full);
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: var(--border-radius-full);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    transform: scale(0.8);
}

.nav-links a:hover {
    color: #fff;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px var(--shadow-glow);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    opacity: 1;
    transform: scale(1);
}

.nav-links a.active {
    color: #fff;
    box-shadow: 0 6px 20px var(--shadow-glow-lg);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: var(--gradient-primary);
    border: none;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    width: 45px;
    height: 45px;
    border-radius: var(--border-radius-full);
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px var(--shadow-glow);
}

.mobile-menu-btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px var(--shadow-glow-lg);
}

.mobile-menu-btn i {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-btn:hover i {
    transform: rotate(90deg) scale(1.2);
}

/* 移动端导航菜单 */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        align-items: center;
        padding: 2.5rem 0;
        gap: 1.5rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        opacity: 0;
        visibility: hidden;
        transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: -1;
        border-radius: 0 0 1rem 1rem;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        z-index: 999;
        transform: translateY(10px);
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links a {
        width: 80%;
        text-align: center;
        padding: 1rem 1.5rem;
    }

    .nav-links a:hover {
        transform: translateY(-3px) scale(1.05);
    }
}

/* 滚动时的导航栏效果 */
@media (min-width: 769px) {
    .navbar.scrolled .logo {
        transform: scale(0.95);
    }

    .navbar.scrolled .nav-links a {
        padding: 0.75rem 1.25rem;
    }

    .navbar.scrolled .nav-links a:hover {
        transform: translateY(-2px) scale(1.03);
    }
}

/* 首屏样式 */
.hero {
    padding: 12rem 0 8rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(79, 70, 229, 0.1) 50%, rgba(59, 130, 246, 0.1) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    transition: all 1s ease;
    perspective: 1000px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.08) 0%, transparent 70%),
        radial-gradient(circle at 30% 80%, rgba(34, 197, 94, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 70% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 40%);
    z-index: 0;
    animation: heroBackground 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(79, 70, 229, 0.05) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(139, 92, 246, 0.05) 50%, transparent 60%);
    animation: heroBackground 15s ease-in-out infinite reverse;
    z-index: 0;
}

/* 装饰性图形 */
.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite reverse;
    z-index: 0;
}

@keyframes heroBackground {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(2%, 2%) rotate(1deg); }
    50% { transform: translate(0, 4%) rotate(0deg); }
    75% { transform: translate(-2%, 2%) rotate(-1deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1.5s ease-out forwards;
    opacity: 0;
    transform-style: preserve-3d;
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-content:hover {
    transform: translateY(-10px) scale(1.02) rotateX(5deg);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2.75rem, 6vw, 4.5rem);
    font-weight: var(--font-extrabold);
    background: var(--gradient-primary-hover);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.75rem;
    line-height: var(--leading-tight);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px var(--primary-opacity);
    animation: textGlow 3s ease-in-out infinite alternate;
    font-stretch: normal;
}

@keyframes textGlow {
    from {
        text-shadow: 0 2px 10px var(--primary-opacity);
    }
    to {
        text-shadow: 0 2px 20px var(--shadow-glow), 0 0 40px var(--primary-opacity);
    }
}

.hero p {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 3rem;
    line-height: var(--leading-relaxed);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    animation: fadeInUp 1.5s ease-out 0.3s forwards;
    opacity: 0;
    letter-spacing: 0.01em;
}

/* 按钮容器优化 */
.btn-container {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.5s ease-out 0.6s forwards;
    opacity: 0;
}

/* 增强按钮效果 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: 50px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    transform: scale(0.8) rotateX(10deg);
}

.btn::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary-hover);
    border-radius: 50px;
    z-index: -2;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background-size: 400%;
    animation: btnShine 3s ease-in-out infinite;
}

@keyframes btnShine {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.btn:hover::after {
    opacity: 1;
    filter: blur(10px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
}

.btn-primary:hover {
    transform: translateY(-8px) scale(1.08) rotateX(5deg);
    box-shadow: 0 15px 35px rgba(79, 70, 229, 0.6);
}

.btn-primary:hover::before {
    opacity: 1;
    transform: scale(1) rotateX(0deg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    color: #fff;
    transform: translateY(-8px) scale(1.08) rotateX(5deg);
    box-shadow: 0 15px 35px rgba(79, 70, 229, 0.4);
    border-color: transparent;
}

.btn-secondary:hover::before {
    opacity: 1;
    transform: scale(1) rotateX(0deg);
}

.btn-tertiary {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-tertiary::before {
    background: linear-gradient(135deg, #64748b 0%, #94a3b8 100%);
}

.btn-tertiary:hover {
    background: linear-gradient(135deg, #64748b 0%, #94a3b8 100%);
    color: #fff;
    transform: translateY(-8px) scale(1.08) rotateX(5deg);
    box-shadow: 0 15px 35px rgba(100, 116, 139, 0.4);
    border-color: transparent;
}

.btn-tertiary:hover::before {
    opacity: 1;
    transform: scale(1) rotateX(0deg);
}

/* 按钮图标动画 */
.btn i {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover i {
    transform: scale(1.3) rotate(15deg);
    filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.8));
}

/* 按钮文本动画 */
.btn span {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.btn:hover span {
    transform: translateY(-2px);
}

/* 按钮加载状态 */
.btn.loading {
    opacity: 0.8;
    cursor: not-allowed;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    right: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式按钮 */
@media (max-width: 768px) {
    .btn {
        padding: 0.85rem 2rem;
        font-size: 0.95rem;
    }
    
    .btn:hover {
        transform: translateY(-6px) scale(1.05);
    }
}

/* 小型按钮 */
.btn-sm {
    padding: 0.65rem 1.5rem;
    font-size: 0.85rem;
}

/* 大型按钮 */
.btn-lg {
    padding: 1.25rem 3rem;
    font-size: 1.15rem;
}

/* 全宽按钮 */
.btn-block {
    width: 100%;
    justify-content: center;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .hero {
        padding: 10rem 0 6rem;
    }
    
    .hero h1 {
        font-size: clamp(2.25rem, 8vw, 3.5rem);
        margin-bottom: 1.5rem;
    }
    
    .hero p {
        padding: 1.25rem 1.5rem;
        margin-bottom: 2.5rem;
    }
    
    .btn-container {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 1rem 2rem;
    }
}



/* 通用部分样式 */
.section {
    padding: var(--spacing-4xl) 0;
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.section:nth-child(even) {
    background: var(--gradient-light);
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border-color) 50%, transparent 100%);
}

/* 装饰性背景元素 */
.section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.03) 0%, transparent 30%);
    pointer-events: none;
    animation: sectionBackground 25s ease-in-out infinite;
}

@keyframes sectionBackground {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(1%, 1%) rotate(1deg);
    }
    50% {
        transform: translate(0, 2%) rotate(0deg);
    }
    75% {
        transform: translate(-1%, 1%) rotate(-1deg);
    }
}

/* 服务区块背景增强 */
.services-section::after {
    background: 
        radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.05) 0%, transparent 35%);
}

/* 团队区块背景增强 */
.team-section::after {
    background: 
        radial-gradient(circle at 30% 20%, rgba(100, 116, 139, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 70% 80%, rgba(148, 163, 184, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(100, 116, 139, 0.05) 0%, transparent 35%);
}

/* 作品区块背景增强 */
.portfolio-section::after {
    background: 
        radial-gradient(circle at 25% 25%, rgba(79, 70, 229, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.05) 0%, transparent 35%);
}

/* 联系区块背景增强 */
.contact-section::after {
    background: 
        radial-gradient(circle at 20% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 80% 70%, rgba(52, 211, 153, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 35%);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding: 0 var(--spacing-md);
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
    line-height: var(--leading-tight);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-title p {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    line-height: var(--leading-relaxed);
}

/* 服务卡片样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding: 0 var(--spacing-md);
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 1px solid var(--primary-opacity);
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    max-width: 450px;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(79, 70, 229, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    z-index: 0;
}

.service-card:hover::before {
    animation: serviceCardShine 1.5s ease-in-out;
    opacity: 1;
}

@keyframes serviceCardShine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

/* 服务卡片顶部装饰条 */
.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 50%, #ec4899 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scaleX(0.8);
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translate(50%, 50%) scale(0);
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.03) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.3);
    border-color: rgba(79, 70, 229, 0.3);
}

.service-card:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

.service-card:hover::before {
    transform: translate(30%, 30%) scale(1);
}

/* 服务图标优化 */
.service-icon {
    width: 5rem;
    height: 5rem;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    opacity: 0;
    border-radius: 1.5rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-icon img {
    max-width: 70%;
    max-height: 70%;
    object-fit: contain;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(10deg);
    box-shadow: 0 18px 45px rgba(79, 70, 229, 0.6);
}

.service-card:hover .service-icon::before {
    opacity: 1;
}

.service-card:hover .service-icon img {
    transform: scale(1.2) rotate(-10deg);
    filter: drop-shadow(0 4px 8px rgba(255, 255, 255, 0.8));
}

/* 服务卡片内容 */
.service-card h3 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.25rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: inline-block;
    z-index: 2;
    transform: translateZ(20px);
}

.service-card h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    border-radius: 2px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover h3 {
    color: #4f46e5;
    transform: translateY(-5px);
}

.service-card:hover h3::after {
    width: 60%;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
    transform: translateZ(10px);
}

.service-card:hover p {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.2);
    transform: translateY(-5px);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .service-icon {
        width: 4rem;
        height: 4rem;
    }
    
    .service-card p {
        padding: 1.25rem;
    }
}

/* 团队卡片样式 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding: 0 var(--spacing-md);
}

.team-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--primary-opacity);
    position: relative;
    transform-style: preserve-3d;
    margin: 0 auto;
    max-width: 400px;
    perspective: 1000px;
}

.team-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(79, 70, 229, 0.05), transparent);
    transform: rotate(45deg);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    z-index: 0;
}

.team-card:hover::before {
    animation: teamCardShine 1.5s ease-in-out;
    opacity: 1;
}

@keyframes teamCardShine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.team-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scaleX(0.8);
    z-index: 2;
}

.team-card:hover {
    transform: translateY(-15px) scale(1.03) rotateY(5deg);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.3);
    border-color: rgba(79, 70, 229, 0.3);
}

.team-card:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

/* 团队成员图片优化 */
.team-image {
    width: 100%;
    height: 320px;
    overflow: hidden;
    position: relative;
    border-radius: 1.5rem 1.5rem 0 0;
}

.team-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.4) 0%, rgba(139, 92, 246, 0.4) 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.team-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.team-card:hover .team-image::before,
.team-card:hover .team-image::after {
    opacity: 1;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(1) saturate(1);
    opacity: 0;
    animation: teamImageFadeIn 1.5s ease-out forwards;
}

@keyframes teamImageFadeIn {
    from {
        opacity: 0;
        transform: scale(1.1) rotate(2deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.team-card:hover .team-image img {
    transform: scale(1.2) rotate(5deg);
    filter: brightness(1.1) saturate(1.2);
}

/* 团队成员信息优化 */
.team-info {
    padding: 2rem;
    text-align: center;
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    border-radius: 2px;
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%) scaleX(0.8);
}

.team-card:hover .team-info {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 -10px 30px rgba(79, 70, 229, 0.1);
}

.team-card:hover .team-info::before {
    opacity: 1;
    transform: translateX(-50%) scaleX(1);
}

.team-info h3 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.75rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: inline-block;
    z-index: 2;
    transform: translateZ(20px);
}

.team-info h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    border-radius: 2px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-card:hover .team-info h3 {
    color: #4f46e5;
    transform: translateY(-5px);
}

.team-card:hover .team-info h3::after {
    width: 80%;
}

.team-info p {
    color: #4f46e5;
    margin-bottom: 1.25rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-info p:last-of-type {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
    font-size: 0.95rem;
    line-height: 1.7;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.25rem;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.team-card:hover .team-info p:last-of-type {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.2);
    transform: translateY(-5px);
}

/* 团队社交链接优化 */
.team-social {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 1.5rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-card:hover .team-social {
    transform: translateY(-5px);
}

.team-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 500px;
}

.team-social a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    opacity: 0;
    border-radius: 50%;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.team-social a:hover {
    color: #fff;
    transform: translateY(-8px) scale(1.1) rotateY(360deg);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    border-color: transparent;
}

.team-social a:hover::before {
    opacity: 1;
}

.team-social a i {
    font-size: 1.25rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-social a:hover i {
    transform: rotate(360deg) scale(1.2);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .team-card {
        border-radius: 1.25rem;
    }
    
    .team-image {
        height: 280px;
        border-radius: 1.25rem 1.25rem 0 0;
    }
    
    .team-info {
        padding: 1.75rem;
    }
    
    .team-info p:last-of-type {
        padding: 1rem;
    }
}

/* 作品卡片样式 */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding: 0 var(--spacing-md);
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--primary-opacity);
    position: relative;
    transform-style: preserve-3d;
    margin: 0 auto;
    max-width: 450px;
    perspective: 1000px;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(79, 70, 229, 0.05), transparent);
    transform: rotate(45deg);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    z-index: 0;
}

.portfolio-card:hover::before {
    animation: portfolioCardShine 1.5s ease-in-out;
    opacity: 1;
}

@keyframes portfolioCardShine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.portfolio-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scaleX(0.8);
    z-index: 2;
}

.portfolio-card:hover {
    transform: translateY(-15px) scale(1.03) rotateX(5deg);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.3);
    border-color: rgba(79, 70, 229, 0.3);
}

.portfolio-card:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

/* 作品图片优化 */
.portfolio-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    position: relative;
    border-radius: 1.5rem 1.5rem 0 0;
}

.portfolio-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.portfolio-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.portfolio-card:hover .portfolio-image::before {
    opacity: 1;
}

.portfolio-card:hover .portfolio-image::after {
    opacity: 1;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(1) saturate(1);
    opacity: 0;
    animation: imageFadeIn 1s ease-out forwards;
}

@keyframes imageFadeIn {
    from {
        opacity: 0;
        transform: scale(1.2) rotate(5deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.2) rotate(5deg);
    filter: brightness(1.1) saturate(1.2);
}

/* 作品信息优化 */
.portfolio-info {
    padding: 2rem;
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 2rem;
    right: 2rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.2), transparent);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .portfolio-info {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 -10px 30px rgba(79, 70, 229, 0.1);
}

.portfolio-info h3 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: inline-block;
    z-index: 2;
    transform: translateZ(20px);
}

.portfolio-info h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    border-radius: 2px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .portfolio-info h3 {
    color: #4f46e5;
    transform: translateY(-5px);
}

.portfolio-card:hover .portfolio-info h3::after {
    width: 80%;
}

.portfolio-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.25rem;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
    transform: translateZ(10px);
}

.portfolio-card:hover .portfolio-info p {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.2);
    transform: translateY(-5px);
}

/* 作品链接按钮优化 */
.portfolio-card .btn {
    margin-top: 1rem;
    padding: 0.85rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    color: #fff;
    border: none;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    border-radius: 50px;
    position: relative;
    overflow: hidden;
}

.portfolio-card .btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    opacity: 0;
    border-radius: 50px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.portfolio-card .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.6);
}

.portfolio-card .btn:hover::before {
    opacity: 1;
}

.portfolio-card .btn i {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 0.5rem;
}

.portfolio-card .btn:hover i {
    transform: scale(1.2) rotate(10deg);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-card {
        border-radius: 1.25rem;
    }
    
    .portfolio-image {
        height: 240px;
        border-radius: 1.25rem 1.25rem 0 0;
    }
    
    .portfolio-info {
        padding: 1.75rem;
    }
    
    .portfolio-info p {
        padding: 1rem;
    }
}

/* 联系部分样式 */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-content:hover {
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
    transform: translateY(-5px);
}

/* 联系链接优化 */
.contact-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 3rem 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-content:hover .contact-links {
    transform: translateY(-5px);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1.25rem 2rem;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(79, 70, 229, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    opacity: 0;
    border-radius: 1.5rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    transform: scale(0.8);
}

.contact-link:hover {
    color: #fff;
    background: rgba(79, 70, 229, 0.1);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
    border-color: rgba(79, 70, 229, 0.3);
}

.contact-link:hover::before {
    opacity: 1;
    transform: scale(1);
}

.contact-link i {
    font-size: 1.5rem;
    color: #4f46e5;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-link:hover i {
    color: #fff;
    transform: scale(1.2) rotate(10deg);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* 联系表单优化 */
.contact-form {
    margin-top: 3rem;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-content:hover .contact-form {
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
    transform: translateY(-5px);
}

.contact-form form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form form > div {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form form > div:hover {
    transform: translateY(-5px);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1.25rem;
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    font-family: var(--font-family);
    position: relative;
    z-index: 1;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: rgba(79, 70, 229, 0.5);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    transform: scale(1.02);
    background: rgba(255, 255, 255, 0.95);
    animation: inputFocusPulse 0.6s ease-out;
}

@keyframes inputFocusPulse {
    0% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    }
    50% {
        box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
    }
    100% {
        box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    }
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form input:focus::placeholder,
.contact-form textarea:focus::placeholder {
    color: var(--text-secondary);
    transform: translateY(-2px);
    opacity: 0.8;
}

.contact-form input:valid,
.contact-form textarea:valid {
    border-color: rgba(16, 185, 129, 0.3);
}

.contact-form input:invalid:not(:placeholder-shown),
.contact-form textarea:invalid:not(:placeholder-shown) {
    border-color: rgba(239, 68, 68, 0.3);
}

.contact-form input:valid + label,
.contact-form textarea:valid + label {
    color: var(--success-color);
}

.contact-form input:invalid:not(:placeholder-shown) + label,
.contact-form textarea:invalid:not(:placeholder-shown) + label {
    color: var(--danger-color);
}



.contact-form textarea {
    grid-column: 1 / -1;
    min-height: 150px;
    resize: vertical;
}

.contact-form button[type="submit"] {
    grid-column: 1 / -1;
    padding: 1.25rem;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    color: #fff;
    border: none;
    border-radius: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-5px) scale(1.02) rotateX(5deg);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.6);
    animation: buttonHoverPulse 0.6s ease-out;
}

@keyframes buttonHoverPulse {
    0% {
        box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    }
    50% {
        box-shadow: 0 15px 35px rgba(79, 70, 229, 0.7);
    }
    100% {
        box-shadow: 0 12px 30px rgba(79, 70, 229, 0.6);
    }
}

.contact-form button[type="submit"]:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.5);
}

.contact-form button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-form button[type="submit"]:disabled:hover {
    animation: none;
}

.contact-form button[type="submit"]::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    z-index: 1;
}

.contact-form button[type="submit"]:hover::before {
    animation: buttonShine 1.5s ease-in-out;
    opacity: 1;
}

@keyframes buttonShine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.contact-form button[type="submit"]::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    opacity: 0;
    border-radius: 1rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    transform: scale(0.8);
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.6);
}

.contact-form button[type="submit"]:hover::after {
    opacity: 1;
    transform: scale(1);
}

.contact-form button[type="submit"] i {
    margin-left: 1rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form button[type="submit"]:hover i {
    transform: scale(1.2) rotate(10deg);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .contact-content {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: 1.25rem;
    }
    
    .contact-link {
        width: 80%;
        justify-content: center;
        padding: 1rem 1.5rem;
    }
    
    .contact-form {
        padding: 1.75rem;
        margin-top: 2.5rem;
    }
    
    .contact-form form {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .contact-form textarea {
        min-height: 120px;
    }
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: #fff;
    padding: 5rem 0 2rem;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(79, 70, 229, 0.2);
    perspective: 1000px;
}

/* 页脚装饰元素 */
.footer-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.decoration-circle:nth-child(1) {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.decoration-circle:nth-child(2) {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

.decoration-circle:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 50%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(79, 70, 229, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.1) 0%, transparent 70%),
        radial-gradient(circle at 30% 30%, rgba(236, 72, 153, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 70% 70%, rgba(16, 185, 129, 0.1) 0%, transparent 40%);
    pointer-events: none;
    animation: footerBackground 20s ease-in-out infinite;
    z-index: 0;
}

.footer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(79, 70, 229, 0.05) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(139, 92, 246, 0.05) 50%, transparent 60%);
    animation: footerBackground 15s ease-in-out infinite reverse;
    pointer-events: none;
    z-index: 0;
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.5), transparent);
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
    animation: footerBorderShine 3s ease-in-out infinite;
    z-index: 1;
}

@keyframes footerBorderShine {
    0%, 100% {
        opacity: 0.5;
        transform: translateX(-100%);
    }
    50% {
        opacity: 1;
        transform: translateX(100%);
    }
}

@keyframes footerBackground {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(2%, 2%) rotate(1deg);
    }
    50% {
        transform: translate(0, 4%) rotate(0deg);
    }
    75% {
        transform: translate(-2%, 2%) rotate(-1deg);
    }
}

.footer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(79, 70, 229, 0.05) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(139, 92, 246, 0.05) 50%, transparent 60%);
    animation: footerBackground 15s ease-in-out infinite reverse;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 1.35rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border-radius: var(--border-radius-sm);
    width: fit-content;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
    position: relative;
    overflow: hidden;
}

.footer-logo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    opacity: 0;
    border-radius: var(--border-radius-sm);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.footer-logo:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.footer-logo:hover::before {
    opacity: 1;
}

.footer-logo img {
    width: 2.25rem;
    height: 2.25rem;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-logo:hover img {
    transform: rotate(5deg) scale(1.1);
}

.footer-section h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 1.75rem;
    color: #fff;
    position: relative;
    display: inline-block;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scaleX(0.8);
}

.footer-section:hover h3 {
    color: #a78bfa;
    transform: translateY(-3px);
}

.footer-section:hover h3::after {
    width: 45px;
    transform: scaleX(1);
}

.footer-section p,
.footer-section li {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section:hover p,
.footer-section:hover li {
    color: rgba(255, 255, 255, 0.9);
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem 0;
    display: inline-block;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin: 0.25rem 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.footer-section a::before {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 1rem;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section a:hover {
    color: #fff;
    transform: translateX(8px) translateY(-3px);
    background: rgba(79, 70, 229, 0.2);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.footer-section a:hover::before {
    width: calc(100% - 2rem);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.75rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section:hover .footer-social {
    transform: translateY(-5px);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(79, 70, 229, 0.1) 100%);
    border-radius: 50%;
    color: #fff;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.footer-social a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: 50%;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    transform: scale(0.8);
}

.footer-social a:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    border-color: transparent;
}

.footer-social a:hover::before {
    opacity: 1;
    transform: scale(1);
}

.footer-social a i {
    font-size: 1.25rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-social a:hover i {
    transform: rotate(360deg) scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(79, 70, 229, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding-bottom: 2rem;
    margin-top: 2rem;
    border-radius: 1rem 1rem 0 0;
}

.footer-bottom:hover {
    background: rgba(15, 23, 42, 0.8);
    border-top-color: rgba(79, 70, 229, 0.4);
}

.footer-bottom p {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-bottom:hover p {
    color: rgba(255, 255, 255, 0.8);
    transform: translateY(-3px);
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2.5rem;
    right: 2.5rem;
    width: 3.5rem;
    height: 3.5rem;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    box-shadow: var(--shadow-lg);
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

.back-to-top i {
    font-size: 1.25rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-to-top:hover i {
    transform: scale(1.3) rotate(360deg);
}

/* 图标样式优化 */
i {
    transition: all 0.3s ease;
}

/* 统一图标容器样式 */
.icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

/* 社交图标优化 */
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-secondary);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 20px var(--shadow-glow);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: #fff;
    border-color: transparent;
}

/* 服务图标增强 */
.service-icon i {
    font-size: 2rem;
    color: #fff;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-icon i {
    transform: scale(1.2) rotate(15deg);
    filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.8));
}

/* 按钮图标优化 */
.btn i {
    font-size: 1.1rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover i {
    transform: scale(1.3) rotate(15deg);
    filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.8));
}

/* 联系链接图标优化 */
.contact-link i {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.contact-link:hover i {
    color: #fff;
    transform: scale(1.2) rotate(10deg);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* 页脚社交图标优化 */
.footer-social i {
    font-size: 1.25rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-social a:hover i {
    transform: rotate(360deg) scale(1.2);
}

/* 团队社交图标优化 */
.team-social i {
    font-size: 1.25rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-social a:hover i {
    transform: rotate(360deg) scale(1.2);
}

/* 表单输入框样式优化 */
.form-group {
    position: relative;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group:hover {
    transform: translateY(-3px);
}

.form-group:focused {
    transform: translateY(-5px);
}

.form-input {
    width: 100%;
    padding: 1.25rem;
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    font-family: var(--font-family);
}

.form-input:focus {
    outline: none;
    border-color: rgba(79, 70, 229, 0.5);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    transform: scale(1.02);
    background: rgba(255, 255, 255, 0.95);
}

.form-input::placeholder {
    color: var(--text-muted);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-input:focus::placeholder {
    color: var(--text-secondary);
    transform: translateY(-2px);
}

.form-input[type="text"],
.form-input[type="email"] {
    height: 3.5rem;
}

.form-input[type="textarea"] {
    min-height: 150px;
    resize: vertical;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero {
        padding: 8rem 0 4rem;
        min-height: 80vh;
    }

    .hero h1 {
        font-size: clamp(2.5rem, 5vw, 3.5rem);
    }

    .section {
        padding: 4rem 0;
    }

    .services-grid,
    .team-grid,
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 2.5rem;
    }
}

@media (max-width: 768px) {
    /* 移动端导航增强 */
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        align-items: center;
        padding: 3rem 0;
        gap: 1.75rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        opacity: 0;
        visibility: hidden;
        transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: -1;
        border-radius: 0 0 1.5rem 1.5rem;
        border: 1px solid rgba(79, 70, 229, 0.1);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        z-index: 999;
        transform: translateY(10px);
    }

    .nav-links a {
        width: 80%;
        text-align: center;
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
    }

    .mobile-menu-btn {
        display: flex;
        width: 50px;
        height: 50px;
    }

    /* 首屏优化 */
    .hero {
        padding: 9rem 0 4rem;
        min-height: 90vh;
    }

    .hero h1 {
        font-size: clamp(2.2rem, 8vw, 3rem);
        line-height: 1.1;
        margin-bottom: 1.5rem;
    }

    .hero p {
        font-size: clamp(1rem, 2.5vw, 1.2rem);
        margin-bottom: 2.5rem;
        padding: 1.25rem 1.5rem;
    }

    .btn-container {
        flex-direction: column;
        align-items: center;
        gap: 1.25rem;
    }

    .btn {
        width: 100%;
        max-width: 320px;
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }

    /* 区块优化 */
    .section {
        padding: 4rem 0;
    }

    .section-title h2 {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .section-title p {
        font-size: clamp(1rem, 2.5vw, 1.15rem);
        padding: 0 1rem;
    }

    /* 网格布局优化 */
    .services-grid,
    .team-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 2.5rem;
        margin: 0 auto;
        max-width: 400px;
    }

    /* 联系部分优化 */
    .contact-content {
        margin: 0 1rem;
        padding: 2rem;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: 1.25rem;
    }

    .contact-link {
        width: 90%;
        max-width: 320px;
        justify-content: center;
        padding: 1.25rem 1.5rem;
    }

    .contact-form {
        margin-top: 2.5rem;
        padding: 2rem;
    }

    .contact-form form {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    /* 页脚优化 */
    .footer {
        padding: 4rem 0 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 0 1.5rem;
        text-align: center;
    }

    .footer-section h3 {
        display: inline-block;
    }

    .footer-social {
        justify-content: center;
        margin-top: 1.5rem;
    }

    .footer-bottom {
        padding: 2rem 1.5rem;
    }

    /* 回到顶部按钮优化 */
    .back-to-top {
        bottom: 2rem;
        right: 2rem;
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }

    /* 更新日志优化 */
    .updates-tabs {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        padding: 1.5rem;
    }

    .update-tab {
        width: 80%;
        text-align: center;
        padding: 1rem 1.5rem;
    }

    .update-item {
        padding: 1.75rem;
        margin: 0 1rem 1.5rem;
    }

    .update-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .update-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }

    /* 首屏优化 */
    .hero {
        padding: 7rem 0 3rem;
        min-height: 90vh;
    }

    .hero h1 {
        font-size: clamp(2rem, 8vw, 2.8rem);
        margin-bottom: 1.25rem;
    }

    .hero p {
        font-size: clamp(0.95rem, 2.5vw, 1.1rem);
        padding: 1rem 1.25rem;
        margin-bottom: 2rem;
    }

    .btn {
        max-width: 280px;
        padding: 0.85rem 1.75rem;
        font-size: 1rem;
    }

    /* 区块优化 */
    .section {
        padding: 3rem 0;
    }

    .section-title h2 {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
    }

    /* 卡片优化 */
    .service-card,
    .team-card,
    .portfolio-card {
        padding: 2rem;
        margin: 0 1rem;
    }

    /* 联系部分优化 */
    .contact-content {
        margin: 0 0.75rem;
        padding: 1.5rem;
    }

    .contact-link {
        width: 100%;
        max-width: 280px;
        padding: 1rem 1.25rem;
    }

    .contact-form {
        padding: 1.75rem;
    }

    /* 页脚优化 */
    .footer-content {
        gap: 2rem;
        padding: 0 1rem;
    }

    .footer-logo {
        margin: 0 auto 1.5rem;
    }

    /* 回到顶部按钮优化 */
    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 2.75rem;
        height: 2.75rem;
    }

    /* 更新日志优化 */
    .update-item {
        padding: 1.5rem;
        margin: 0 0.75rem 1.25rem;
    }

    .update-info h3 {
        font-size: 1.25rem;
    }

    .update-content {
        padding: 1.25rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 0 2.5rem;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 1.75rem;
    }

    .contact-content {
        padding: 1.25rem;
    }

    .footer {
        padding: 3rem 0 1.5rem;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .nav-links a {
        padding: 1rem 1.5rem;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        transform: translateY(0) scale(1);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    }

    .btn {
        transform: translateY(0) scale(1);
        box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    }

    .footer-section a {
        transform: translateX(0);
    }

    .footer-social a {
        transform: translateY(0) scale(1);
    }

    /* 增强触摸目标大小 */
    button, 
    a, 
    input, 
    textarea, 
    select {
        min-height: 44px;
        min-width: 44px;
    }

    /* 优化表单元素 */
    .form-input {
        padding: 0.875rem 1.25rem;
        font-size: 1rem;
    }

    /* 优化按钮大小 */
    .btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

/* 横屏适配 */
@media (orientation: landscape) and (max-height: 600px) {
    .hero {
        min-height: 100vh;
        padding: 4rem 0;
    }

    .section {
        padding: 3rem 0;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 2rem;
    }
}

/* 高分辨率屏幕适配 */
@media (min-resolution: 192dpi) {
    .hero::before,
    .footer::before {
        background-size: 200% 200%;
    }

    /* 确保字体清晰 */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 超大屏幕适配 */
@media (min-width: 1400px) {
    .container {
        max-width: 1200px;
    }

    .hero h1 {
        font-size: clamp(3rem, 6vw, 5rem);
    }

    .services-grid,
    .team-grid,
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 3rem;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 3rem;
    }
}

/* 小屏平板适配 */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero h1 {
        font-size: clamp(2.2rem, 5vw, 3.5rem);
    }

    .services-grid,
    .team-grid,
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 1.5rem;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 2rem;
    }
}

/* 折叠屏适配 */
@media (min-width: 577px) and (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero {
        padding: 7rem 0 3rem;
    }

    .hero h1 {
        font-size: clamp(2rem, 5vw, 3rem);
    }

    .services-grid,
    .team-grid,
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.75rem;
    }
}

/* 小屏手机适配 */
@media (max-width: 414px) {
    .hero h1 {
        font-size: clamp(1.7rem, 8vw, 2.3rem);
        line-height: 1.1;
    }

    .hero p {
        font-size: clamp(0.9rem, 3vw, 1rem);
        padding: 0.875rem 1.125rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }

    .contact-content {
        padding: 1.25rem;
        margin: 0 0.5rem;
    }

    .footer-content {
        padding: 0 0.75rem;
    }
}

/* 微型手机适配 */
@media (max-width: 360px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero {
        padding: 6rem 0 2rem;
    }

    .hero h1 {
        font-size: clamp(1.5rem, 8vw, 2rem);
    }

    .hero p {
        font-size: clamp(0.85rem, 3vw, 0.95rem);
        padding: 0.75rem 1rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        padding: 1.25rem;
    }

    .section-title h2 {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }

    .footer {
        padding: 2.5rem 0 1.25rem;
    }
}

/* 打印样式优化 */
@media print {
    .nav-links,
    .mobile-menu-btn,
    .back-to-top,
    .footer-social {
        display: none;
    }

    .container {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .hero,
    .section {
        padding: 2rem 0;
    }

    .service-card,
    .team-card,
    .portfolio-card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }

    img {
        max-width: 100% !important;
        height: auto !important;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}

/* 滚动动画 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.scroll-reveal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
    animation: scrollBounce 1s ease-out forwards;
}

.scroll-reveal.active::before {
    opacity: 1;
    animation: scrollGlow 2s ease-in-out forwards;
}

@keyframes scrollBounce {
    0% {
        opacity: 0;
        transform: translateY(60px);
    }
    70% {
        transform: translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollGlow {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    100% {
        opacity: 0;
        transform: scale(1);
    }
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-80px) rotateY(-15deg);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.scroll-reveal-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-reveal-left.active {
    opacity: 1;
    transform: translateX(0) rotateY(0deg);
    animation: scrollSlideLeft 1s ease-out forwards;
}

.scroll-reveal-left.active::before {
    opacity: 1;
    animation: scrollGlow 2s ease-in-out forwards;
}

@keyframes scrollSlideLeft {
    0% {
        opacity: 0;
        transform: translateX(-80px) rotateY(-15deg);
    }
    70% {
        transform: translateX(10px) rotateY(5deg);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotateY(0deg);
    }
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(80px) rotateY(15deg);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.scroll-reveal-right::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-reveal-right.active {
    opacity: 1;
    transform: translateX(0) rotateY(0deg);
    animation: scrollSlideRight 1s ease-out forwards;
}

.scroll-reveal-right.active::before {
    opacity: 1;
    animation: scrollGlow 2s ease-in-out forwards;
}

@keyframes scrollSlideRight {
    0% {
        opacity: 0;
        transform: translateX(80px) rotateY(15deg);
    }
    70% {
        transform: translateX(-10px) rotateY(-5deg);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotateY(0deg);
    }
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.8) rotateX(10deg);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.scroll-reveal-scale::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-reveal-scale.active {
    opacity: 1;
    transform: scale(1) rotateX(0deg);
    animation: scrollScale 1s ease-out forwards;
}

.scroll-reveal-scale.active::before {
    opacity: 1;
    animation: scrollGlow 2s ease-in-out forwards;
}

@keyframes scrollScale {
    0% {
        opacity: 0;
        transform: scale(0.8) rotateX(10deg);
    }
    70% {
        transform: scale(1.05) rotateX(-5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotateX(0deg);
    }
}

/* 视差滚动效果 */
.parallax {
    position: relative;
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 150%;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    transform: translateY(0);
    transition: transform 0.1s ease-out;
    z-index: -1;
}

/* 滚动速度变化 */
.scroll-slow {
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-fast {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 新增滚动动画类型 */

/* 淡入旋转动画 */
.scroll-reveal-rotate {
    opacity: 0;
    transform: translateY(40px) rotateZ(-5deg);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.scroll-reveal-rotate::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-reveal-rotate.active {
    opacity: 1;
    transform: translateY(0) rotateZ(0deg);
    animation: scrollRotate 1s ease-out forwards;
}

.scroll-reveal-rotate.active::before {
    opacity: 1;
    animation: scrollGlow 2s ease-in-out forwards;
}

@keyframes scrollRotate {
    0% {
        opacity: 0;
        transform: translateY(40px) rotateZ(-5deg);
    }
    70% {
        transform: translateY(-10px) rotateZ(2deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateZ(0deg);
    }
}

/* 淡入弹跳+缩放动画 */
.scroll-reveal-bounce {
    opacity: 0;
    transform: translateY(60px) scale(0.9);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.scroll-reveal-bounce::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-reveal-bounce.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    animation: scrollBounceScale 1s ease-out forwards;
}

.scroll-reveal-bounce.active::before {
    opacity: 1;
    animation: scrollGlow 2s ease-in-out forwards;
}

@keyframes scrollBounceScale {
    0% {
        opacity: 0;
        transform: translateY(60px) scale(0.9);
    }
    50% {
        transform: translateY(-20px) scale(1.05);
    }
    70% {
        transform: translateY(-10px) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 淡入透视动画 */
.scroll-reveal-perspective {
    opacity: 0;
    transform: translateY(50px) rotateX(20deg);
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    perspective: 1000px;
}

.scroll-reveal-perspective::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    opacity: 0;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-reveal-perspective.active {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
    animation: scrollPerspective 1.2s ease-out forwards;
}

.scroll-reveal-perspective.active::before {
    opacity: 1;
    animation: scrollGlow 2s ease-in-out forwards;
}

@keyframes scrollPerspective {
    0% {
        opacity: 0;
        transform: translateY(50px) rotateX(20deg);
    }
    70% {
        transform: translateY(-5px) rotateX(-5deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

/* 滚动时的背景动画效果 */
.scroll-bg-effect {
    position: relative;
    overflow: hidden;
}

.scroll-bg-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.1), transparent);
    transition: left 1.5s ease;
    z-index: 0;
}

.scroll-bg-effect.active::after {
    left: 100%;
}

/* 滚动时的边框动画效果 */
.scroll-border-effect {
    position: relative;
    border: 2px solid transparent;
    border-radius: inherit;
}

.scroll-border-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(45deg, var(--accent-color), var(--accent-color-2), var(--accent-color-3), var(--accent-color-2), var(--accent-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 1s ease;
}

.scroll-border-effect.active::before {
    opacity: 1;
    animation: borderRotate 3s linear infinite;
}

@keyframes borderRotate {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 300% 0;
    }
}

/* 滚动时的文字动画效果 */
.scroll-text-effect {
    position: relative;
    overflow: hidden;
}

.scroll-text-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 1s ease;
}

.scroll-text-effect.active::after {
    left: 100%;
}

/* 滚动时的卡片阴影增强效果 */
.scroll-shadow-effect {
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.scroll-shadow-effect.active {
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.2);
    transform: translateY(-10px);
}

/* 滚动时的渐变背景增强 */
.scroll-gradient-effect {
    position: relative;
    z-index: 1;
}

.scroll-gradient-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
}

.scroll-gradient-effect.active::before {
    opacity: 1;
    transform: scale(1.05);
}

/* 滚动时的发光效果增强 */
.scroll-glow-effect {
    position: relative;
}

.scroll-glow-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: inherit;
    filter: blur(20px);
}

.scroll-glow-effect.active::after {
    opacity: 1;
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

/* 滚动时的网格线效果 */
.scroll-grid-effect {
    position: relative;
    overflow: hidden;
}

.scroll-grid-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(79, 70, 229, 0.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 70, 229, 0.2) 1px, transparent 1px);
    background-size: 20px 20px;
    transition: left 1.5s ease;
    z-index: 0;
}

.scroll-grid-effect.active::before {
    left: 100%;
}

/* 滚动时的波浪效果 */
.scroll-wave-effect {
    position: relative;
    overflow: hidden;
}

.scroll-wave-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    transform: rotate(45deg);
    transition: all 1.5s ease;
    z-index: -1;
}

.scroll-wave-effect.active::after {
    top: 150%;
    left: 150%;
}

/* 滚动时的导航栏效果增强 */
.navbar {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

.navbar.scrolled .logo {
    transform: scale(0.95);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
}

.navbar.scrolled .nav-links a {
    padding: 0.75rem 1.25rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* 滚动到顶部按钮增强 */
.back-to-top {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-to-top.visible {
    animation: backToTopAppear 0.8s ease-out forwards;
}

@keyframes backToTopAppear {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 123, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mb-5 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mt-5 {
    margin-top: 2rem;
}

.py-1 {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-3 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-4 {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.py-5 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.px-1 {
    padding-left: 0.25rem;
    padding-right: 0.25rem;
}

.px-2 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.px-3 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.px-4 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-5 {
    padding-left: 2rem;
    padding-right: 2rem;
}

/* 更新日志样式 */
.updates-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
    justify-content: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.1);
}

.update-tab {
    padding: 0.75rem 2rem;
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.update-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    opacity: 0;
    border-radius: 50px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    transform: scale(0.8);
}

.update-tab:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    border-color: rgba(79, 70, 229, 0.3);
}

.update-tab:hover::before {
    opacity: 1;
    transform: scale(1);
}

.update-tab.active {
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    color: #fff;
    border-color: rgba(79, 70, 229, 0.5);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.update-tab.active::before {
    opacity: 1;
    transform: scale(1);
}

.updates-container {
    position: relative;
    margin-top: 2rem;
}

.empty-updates {
    text-align: center;
    padding: 5rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    border: 2px dashed rgba(79, 70, 229, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.empty-updates:hover {
    border-color: rgba(79, 70, 229, 0.4);
    box-shadow: 0 12px 45px rgba(79, 70, 229, 0.2);
    transform: translateY(-5px);
}

.empty-updates i {
    font-size: 4rem;
    color: #4f46e5;
    margin-bottom: 1.5rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.empty-updates:hover i {
    transform: scale(1.2) rotate(10deg);
    color: #8b5cf6;
}

.empty-updates h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.empty-updates:hover h3 {
    color: #4f46e5;
    transform: translateY(-5px);
}

.empty-updates p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.empty-updates:hover p {
    color: var(--text-primary);
    transform: translateY(-5px);
}

.update-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(79, 70, 229, 0.1);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.update-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scaleY(0.8);
}

.update-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.3);
    border-color: rgba(79, 70, 229, 0.3);
}

.update-item:hover::before {
    opacity: 1;
    transform: scaleY(1);
}

.update-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.update-item:hover .update-header {
    transform: translateY(-5px);
}

.update-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.update-info h3 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark-color);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: inline-block;
}

.update-info h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    border-radius: 2px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.update-item:hover .update-info h3 {
    color: #4f46e5;
}

.update-item:hover .update-info h3::after {
    width: 80%;
}

.update-version {
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    color: #fff;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.update-item:hover .update-version {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.update-date {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.update-item:hover .update-date {
    color: #4f46e5;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.2);
    transform: translateY(-3px);
}

.update-content {
    color: var(--text-primary);
    line-height: 1.7;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.update-item:hover .update-content {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.2);
    transform: translateY(-5px);
}

.update-content p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    margin-top: 3rem;
    flex-wrap: wrap;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.1);
}

.pagination-btn {
    padding: 0.75rem 2rem;
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.pagination-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    opacity: 0;
    border-radius: 50px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    transform: scale(0.8);
}

.pagination-btn:hover:not(:disabled) {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    border-color: rgba(79, 70, 229, 0.3);
    color: #fff;
}

.pagination-btn:hover:not(:disabled)::before {
    opacity: 1;
    transform: scale(1);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.6);
    box-shadow: none;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.pagination:hover .pagination-info {
    color: #4f46e5;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.2);
    transform: translateY(-3px);
}

.pagination-btn i {
    font-size: 1.1rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.pagination-btn:hover:not(:disabled) i {
    transform: scale(1.2) rotate(10deg);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .updates-tabs {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .update-tab {
        width: 80%;
        text-align: center;
        padding: 0.75rem 1.5rem;
    }
    
    .update-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .update-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .pagination {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pagination-btn {
        width: 100%;
        justify-content: center;
    }
    
    .empty-updates {
        padding: 3rem 1.5rem;
    }
    
    .update-item {
        padding: 1.5rem;
    }
    
    .update-content {
        padding: 1.25rem;
    }
}