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

/* 全局变量 */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
    --cubic-bezier: cubic-bezier(0.4, 0, 0.2, 1);
    --perspective: 1000px;
}

/* 基础样式 */
body {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
    perspective: var(--perspective);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 粒子背景样式 */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: #0d1117;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.8);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover {
    color: #667eea;
    transform: translateY(-2px);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: var(--transition);
}

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

.hero-content {
    z-index: 2;
    color: white;
    animation: fadeInUp 1s var(--cubic-bezier);
    max-width: 800px;
}

.hero-title-wrapper {
    margin-bottom: 20px;
    perspective: var(--perspective);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    animation: slideInFromLeft 1s var(--cubic-bezier);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-transform: uppercase;
    transform-style: preserve-3d;
    transition: transform 0.5s var(--cubic-bezier);
}

.hero-title:hover {
    transform: rotateX(10deg) rotateY(10deg);
}

.hero-subtitle-wrapper {
    margin-bottom: 40px;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 10px;
    opacity: 0.9;
    animation: slideInFromRight 1s var(--cubic-bezier);
}

.hero-subtitle.tagline {
    font-size: 1.1rem;
    animation: slideInFromBottom 1s var(--cubic-bezier);
    font-style: italic;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: slideInFromBottom 1s var(--cubic-bezier) 0.2s both;
}

/* 3D 装饰元素 */
.hero-3d {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* 3D 立方体 */
.cube-wrapper {
    position: absolute;
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%);
    perspective: var(--perspective);
    animation: float 6s ease-in-out infinite;
}

.cube {
    width: 100px;
    height: 100px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate 8s linear infinite;
}

.cube-face {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(102, 126, 234, 0.5);
    background: rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.cube-face.front {
    transform: rotateY(0deg) translateZ(50px);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
}

.cube-face.back {
    transform: rotateY(180deg) translateZ(50px);
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.2) 0%, rgba(245, 87, 108, 0.2) 100%);
}

.cube-face.left {
    transform: rotateY(-90deg) translateZ(50px);
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.2) 0%, rgba(0, 242, 254, 0.2) 100%);
}

.cube-face.right {
    transform: rotateY(90deg) translateZ(50px);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
}

.cube-face.top {
    transform: rotateX(90deg) translateZ(50px);
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.2) 0%, rgba(245, 87, 108, 0.2) 100%);
}

.cube-face.bottom {
    transform: rotateX(-90deg) translateZ(50px);
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.2) 0%, rgba(0, 242, 254, 0.2) 100%);
}

/* 3D 球体 */
.sphere-wrapper {
    position: absolute;
    top: 30%;
    right: 15%;
    transform: translate(50%, -50%);
    perspective: var(--perspective);
    animation: float 8s ease-in-out infinite reverse;
}

.sphere {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.1) 70%, transparent 100%);
    border-radius: 50%;
    box-shadow: 
        0 0 40px rgba(102, 126, 234, 0.5),
        inset 0 0 40px rgba(102, 126, 234, 0.2),
        0 0 60px rgba(118, 75, 162, 0.3);
    animation: sphereRotate 12s linear infinite;
    position: relative;
    overflow: hidden;
}

.sphere::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: sphereGlow 4s ease-in-out infinite;
}

/* 3D 环形 */
.ring-wrapper {
    position: absolute;
    bottom: 20%;
    right: 25%;
    transform: translate(50%, 50%);
    perspective: var(--perspective);
    animation: float 10s ease-in-out infinite alternate;
}

.ring {
    width: 150px;
    height: 150px;
    border: 3px solid rgba(102, 126, 234, 0.5);
    border-radius: 50%;
    position: relative;
    transform-style: preserve-3d;
    animation: ringRotate 15s linear infinite;
    box-shadow: 
        0 0 30px rgba(102, 126, 234, 0.5),
        inset 0 0 30px rgba(102, 126, 234, 0.3);
}

.ring::before,
.ring::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(102, 126, 234, 0.5);
    border-radius: 50%;
    transform: rotateX(60deg) translateZ(20px);
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
}

.ring::after {
    transform: rotateX(-60deg) translateZ(20px);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-lg);
    transform-style: preserve-3d;
    perspective: var(--perspective);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-5px) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.3);
}

/* 章节标题样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: white;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

/* 关于我们样式 */
.about {
    padding: 100px 0;
    background: rgba(13, 17, 23, 0.9);
    position: relative;
    backdrop-filter: blur(10px);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #667eea;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

/* 3D 卡片效果 */
.3d-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.3d-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.3d-card:hover::before {
    transform: scaleX(1);
}

.3d-card:hover {
    transform: rotateX(5deg) rotateY(5deg) translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.stat-card {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
}

.stat-card:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
    box-shadow: var(--shadow-xl);
    background: rgba(102, 126, 234, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: rgba(13, 17, 23, 0.8);
    position: relative;
    backdrop-filter: blur(10px);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
}

.contact-card:hover {
    transform: translateX(10px) rotateX(5deg) rotateY(5deg);
    box-shadow: var(--shadow-lg);
    background: rgba(102, 126, 234, 0.2);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: #667eea;
    flex-shrink: 0;
}

.contact-item span {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 1.1rem;
}

/* 浮动表单效果 */
.floating-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.02);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 页脚样式 */
.footer {
    background: rgba(13, 17, 23, 0.95);
    color: white;
    padding: 80px 0 30px;
    position: relative;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #667eea;
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    position: relative;
    padding-left: 20px;
}

.footer-links ul li a::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #667eea;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: #667eea;
    transform: translateX(10px);
}

.footer-links ul li a:hover::before {
    left: -10px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
    text-decoration: none;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
    perspective: var(--perspective);
}

.social-icon:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px) rotateX(10deg) rotateY(10deg) scale(1.1);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* 页脚装饰元素 */
.footer-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
    background-size: 200% 100%;
    animation: gradientShift 5s ease-in-out infinite;
}

/* 滚动进度指示器 */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

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

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotate {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateZ(0);
    }
    50% {
        transform: translateY(-20px) translateZ(50px);
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* 球体旋转动画 */
@keyframes sphereRotate {
    0% {
        transform: rotateY(0deg) rotateX(0deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(360deg);
    }
}

/* 球体发光动画 */
@keyframes sphereGlow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

/* 环形旋转动画 */
@keyframes ringRotate {
    0% {
        transform: rotateZ(0deg) rotateX(0deg) rotateY(0deg);
    }
    100% {
        transform: rotateZ(360deg) rotateX(360deg) rotateY(360deg);
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(13, 17, 23, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        backdrop-filter: blur(10px);
    }

    .nav-links.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-form form {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .service-card,
    .team-card {
        padding: 30px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(13, 17, 23, 0.8);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}