/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 简洁清晰的配色方案 */
    --color-primary: #3b82f6;
    --color-primary-dark: #1d4ed8;
    --color-secondary: #6366f1;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* 文字颜色 */
    --color-text-main: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;
    --color-text-white: #ffffff;
    
    /* 背景颜色 */
    --color-bg: #ffffff;
    --color-bg-light: #f8fafc;
    --color-bg-gray: #f1f5f9;
    --color-bg-dark: #1e293b;
    --color-bg-darker: #0f172a;
    
    /* 边框和分割线 */
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    
    /* 阴影 */
    --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);
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-main);
    background: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 6px;
    background: transparent;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
    color: var(--color-primary);
}

.nav-logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

.nav-menu a {
    text-decoration: none;
    color: var(--color-text-main);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: var(--radius-md);
}

.nav-menu a:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
    box-shadow: var(--shadow-sm);
}

/* 移动端导航菜单 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 1000;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text-main);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding-top: 80px;
        height: 100vh;
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .nav-menu a {
        font-size: 1.1rem;
        padding: 15px 20px;
        display: block;
        border-radius: var(--radius-md);
        margin: 0 20px;
    }
    
    .nav-menu a:hover {
        background: var(--color-primary);
        color: var(--color-text-white);
    }
}

/* 主页区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
    overflow: hidden;
}

/* 粒子背景 */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 动态背景渐变 */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, var(--color-accent), var(--color-success));
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, var(--color-secondary), var(--color-accent));
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

/* 徽章样式 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
    animation: pulse 2s ease-in-out infinite;
}

.hero-badge i {
    font-size: 0.8rem;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--color-text-main);
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text-light);
    display: block;
    margin-top: 10px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.95);
}

.stat-item .stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    color: white;
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
}

.stat-item .stat-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.stat-item:hover .stat-icon::after {
    width: 100%;
    height: 100%;
}

.stat-item .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
}

.stat-item .stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    background: transparent;
}

.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: left 0.5s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-text-main);
    border: 2px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 信任标识 */
.trust-indicators {
    display: flex;
    gap: 20px;
    align-items: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.trust-item i {
    color: var(--color-success);
    font-size: 1rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-animation {
    background: var(--color-bg-dark);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--color-border);
}

.code-header {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: var(--color-bg-darker);
    border-bottom: 1px solid var(--color-border);
}

.code-dots {
    display: flex;
    gap: 8px;
    margin-right: 15px;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.code-dot.red { background: var(--color-error); }
.code-dot.yellow { background: var(--color-warning); }
.code-dot.green { background: var(--color-success); }

.code-title {
    flex: 1;
    color: var(--color-text-white);
    font-weight: 500;
    font-size: 0.9rem;
}

.code-actions {
    display: flex;
    gap: 10px;
}

.code-actions i {
    color: var(--color-text-lighter);
    font-size: 0.8rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.code-actions i:hover {
    color: var(--color-text-white);
}

.code-content {
    padding: 20px;
    position: relative;
}

.code-line {
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.98rem;
    line-height: 1.7;
    margin-bottom: 5px;
    opacity: 0;
    animation: fadeInUp 0.3s ease forwards;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.code-line.typing {
    opacity: 1;
    animation: none;
}

.code-keyword {
    color: #ff6b6b;
    font-weight: 600;
}

.code-class {
    color: #4ecdc4;
    font-weight: 600;
}

.code-function {
    color: #45b7d1;
    font-weight: 600;
}

.code-parameter {
    color: #96ceb4;
}

.code-property {
    color: #feca57;
}

.code-string {
    color: #ff9ff3;
}

.code-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--color-primary);
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* 浮动元素 */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-element {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.13);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.7rem;
    box-shadow: 0 4px 24px 0 rgba(59,130,246,0.08);
    border: 1.5px solid rgba(255,255,255,0.18);
    animation: floatElement 4s ease-in-out infinite;
    transition: box-shadow 0.3s, background 0.3s;
    pointer-events: auto;
    padding: 10px 0 12px 0;
}

.float-element i {
    font-size: 2.2rem;
    margin-top: 6px;
    color: var(--color-primary);
    transition: color 0.3s;
}

.float-label {
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-weight: 600;
    margin-bottom: 2px;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 8px rgba(59,130,246,0.08);
    pointer-events: none;
}

.float-element:hover {
    box-shadow: 0 8px 32px 0 rgba(59,130,246,0.18);
    background: rgba(59,130,246,0.10);
}

.float-element:hover i {
    color: var(--color-secondary);
}

.float-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.float-2 {
    top: 30%;
    left: 5%;
    animation-delay: 1s;
}

.float-3 {
    bottom: 20%;
    right: 5%;
    animation-delay: 2s;
}

.float-4 {
    bottom: 40%;
    left: 15%;
    animation-delay: 3s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(180deg); }
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

.scroll-indicator:hover {
    color: var(--color-primary);
    transform: translateY(5px);
}

.scroll-text {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
}

.scroll-indicator i {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

/* 关于区域 */
.about {
    position: relative;
    padding: 120px 0;
    background: var(--color-bg-light);
    overflow: hidden;
}

/* 关于页面背景装饰 */
.about-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.05;
    animation: aboutFloat 8s ease-in-out infinite;
}

.about-orb.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-accent));
    top: 5%;
    right: 10%;
    animation-delay: 0s;
}

.about-orb.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, var(--color-secondary), var(--color-success));
    bottom: 10%;
    left: 5%;
    animation-delay: 3s;
}

.about-orb.orb-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, var(--color-accent), var(--color-warning));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 6s;
}

@keyframes aboutFloat {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-30px) scale(1.1); }
}

.about .container {
    position: relative;
    z-index: 2;
}

/* 页面标题 */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text-main);
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

/* 主要介绍区域 */
.about-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-intro {
    background: rgba(255, 255, 255, 0.8);
    padding: 40px;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.about-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
}

.intro-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
}

.about-intro h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 20px;
}

.about-intro p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* 特性网格 */
.about-features h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.feature-item:hover::before {
    left: 100%;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.9);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-success), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon::after {
    width: 100%;
    height: 100%;
}

.feature-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 5px;
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* 技术栈展示 */
.about-tech {
    background: rgba(255, 255, 255, 0.8);
    padding: 50px;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

.about-tech h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 40px;
    text-align: center;
}

.tech-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.tech-category h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 20px;
    text-align: center;
    position: relative;
}

.tech-category h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 15px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.tech-item:hover::before {
    left: 100%;
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.9);
}

.tech-item i {
    font-size: 2rem;
    color: var(--color-primary);
    transition: all 0.3s ease;
}

.tech-item:hover i {
    transform: scale(1.1);
    color: var(--color-secondary);
}

.tech-item span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-main);
    text-align: center;
}

/* 发展历程 */
.about-timeline {
    background: rgba(255, 255, 255, 0.8);
    padding: 50px;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

.about-timeline h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 40px;
    text-align: center;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.timeline-marker::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-marker::after {
    width: 100%;
    height: 100%;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.9);
    padding: 25px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin: 0 30px;
    flex: 1;
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: 100%;
    border-right-color: rgba(255, 255, 255, 0.9);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: 100%;
    border-left-color: rgba(255, 255, 255, 0.9);
}

.timeline-item:hover .timeline-content {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 统计数据 */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.8);
    padding: 40px 30px;
    border-radius: var(--radius-xl);
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

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

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.95);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    position: relative;
    overflow: hidden;
}

.stat-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.stat-card:hover .stat-icon::after {
    width: 100%;
    height: 100%;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.stat-card:hover .stat-number {
    transform: scale(1.1);
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.stat-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tech-showcase {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        display: grid;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-icon {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .tech-item {
        padding: 12px;
    }
    
    .tech-item i {
        font-size: 1rem;
    }
    
    .about-intro h3 {
        font-size: 1.3rem;
    }
}

/* 能力展示区域优化 */
.capabilities {
    padding: 80px 0;
    background: var(--color-bg-gray);
    position: relative;
    overflow: hidden;
}

.capabilities::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%);
    z-index: 0;
}

.capabilities .container {
    position: relative;
    z-index: 1;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.capability-card {
    background: var(--color-bg);
    padding: 35px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.08), transparent);
    transition: left 0.6s ease;
}

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

.capability-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.capability-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--color-text-white);
    font-size: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.capability-icon::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    border-radius: 50%;
    opacity: 0.3;
    z-index: -1;
    transition: all 0.4s ease;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

.capability-card:hover .capability-icon {
    transform: scale(1.15) rotate(5deg);
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

.capability-card:hover .capability-icon::before {
    transform: scale(1.3);
    opacity: 0.6;
    animation: none;
}

.capability-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--color-text-main);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.capability-card:hover h3 {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.capability-card p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.capability-card:hover p {
    color: var(--color-text-main);
}

.capability-tags {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.tag {
    background: var(--color-bg-gray);
    color: var(--color-primary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.15), transparent);
    transition: left 0.4s ease;
}

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

.tag:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
    border-color: var(--color-primary);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-sm);
}

/* 能力卡片特殊效果 */
.capability-card:nth-child(1) .capability-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.capability-card:nth-child(2) .capability-icon {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.capability-card:nth-child(3) .capability-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.capability-card:nth-child(4) .capability-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.capability-card:nth-child(5) .capability-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.capability-card:nth-child(6) .capability-icon {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .capability-card {
        padding: 25px 20px;
    }
    
    .capability-icon {
        width: 65px;
        height: 65px;
        font-size: 1.6rem;
        margin-bottom: 20px;
    }
    
    .capability-card h3 {
        font-size: 1.3rem;
    }
    
    .capability-tags {
        gap: 8px;
    }
    
    .tag {
        padding: 5px 12px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .capability-card {
        padding: 20px 15px;
    }
    
    .capability-icon {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
    }
    
    .capability-card h3 {
        font-size: 1.2rem;
    }
    
    .capability-card p {
        font-size: 0.95rem;
    }
}

/* 智能体区域 */
.agents {
    padding: 80px 0;
    background: var(--color-bg);
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 2em;
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.agent-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 25px;
    border: 1px solid var(--color-border);
    transition: opacity 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.agent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.agent-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.agent-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.agent-avatar {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    position: relative;
}

.agent-card:hover .agent-avatar {
    transform: scale(1.1);
    background: var(--color-primary-dark);
}

.agent-avatar::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.2;
    z-index: -1;
    transition: all 0.3s ease;
}

.agent-card:hover .agent-avatar::after {
    transform: scale(1.2);
    opacity: 0.3;
}

.agent-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 5px;
}

.agent-type {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
}

.agent-card p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.agent-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* 提示词区域 */
.prompts {
    padding: 80px 0;
    background: var(--color-bg-gray);
    position: relative;
}

.prompts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.prompt-category {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 25px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.prompt-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.prompt-category:hover::before {
    left: 100%;
}

.prompt-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.prompt-category h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text-main);
}

.prompt-category h3 i {
    color: var(--color-primary);
}

.prompt-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.prompt-item {
    background: var(--color-bg-gray);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.prompt-item:hover {
    background: var(--color-bg);
    border-color: var(--color-primary);
    transform: translateX(5px);
}

.prompt-text {
    flex: 1;
    color: var(--color-text-main);
    font-size: 0.95rem;
    line-height: 1.5;
}

.prompt-item i {
    color: var(--color-primary);
    font-size: 1.1rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.prompt-item:hover i {
    opacity: 1;
    transform: scale(1.2);
}

/* 页脚 */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-white);
    padding: 60px 0 20px;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text-white);
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-success);
    border-radius: 1px;
}

.footer-section p {
    color: var(--color-text-lighter);
    line-height: 1.6;
    margin-bottom: 15px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--color-text-lighter);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-section ul li a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--color-accent);
    transform: translateX(5px);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--color-text-lighter);
}

.contact-info i {
    color: var(--color-success);
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-lighter);
}

/* 复制通知 */
.copy-notification {
    background: var(--color-success);
    color: var(--color-text-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 1rem;
    padding: 16px 24px;
    right: 32px;
    top: 120px;
    position: fixed;
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateX(400px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.copy-notification.show {
    transform: translateX(0);
}

.copy-notification i {
    font-size: 1.2rem;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        flex: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .agents-grid {
        grid-template-columns: 1fr;
    }
    
    .prompts-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .capability-card, .agent-card, .stat-card, .prompt-category {
        border-radius: var(--radius-md);
        padding: 20px;
    }
    
    .btn {
        font-size: 1rem;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 16px;
    }
    
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* 现代化视觉效果增强 */

/* 卡片悬停效果增强 */
.capability-card, .agent-card, .stat-card, .prompt-category {
    position: relative;
    overflow: hidden;
}

.capability-card::before, .agent-card::before, .stat-card::before, .prompt-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.capability-card:hover::before, .agent-card:hover::before, .stat-card:hover::before, .prompt-category:hover::before {
    left: 100%;
}

/* 按钮效果增强 */
.btn {
    position: relative;
    overflow: hidden;
}

.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: left 0.5s ease;
}

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

/* 导航栏效果增强 */
.navbar {
    border-bottom: 1px solid var(--color-border);
}

.nav-logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

/* 统计数字动画 */
.stat-number {
    transition: all 0.3s ease;
}

.stat-card:hover .stat-number {
    transform: scale(1.1);
    color: var(--color-primary);
}

/* 图标动画增强 */
.capability-icon, .agent-avatar, .stat-icon {
    position: relative;
}

.capability-icon::after, .agent-avatar::after, .stat-icon::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.2;
    z-index: -1;
    transition: all 0.3s ease;
}

.capability-card:hover .capability-icon::after,
.agent-card:hover .agent-avatar::after,
.stat-card:hover .stat-icon::after {
    transform: scale(1.2);
    opacity: 0.3;
}

/* 标签效果增强 */
.tag {
    position: relative;
    overflow: hidden;
}

.tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.3s ease;
}

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

/* 页面加载动画 */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hero-content, .about-text, .capabilities-grid, .agents-grid, .prompts-grid {
    animation: fadeInScale 0.8s ease-out;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 响应式优化 */
@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        flex: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0f172a;
        --color-bg-light: #1e293b;
        --color-bg-gray: #334155;
        --color-text-main: #f1f5f9;
        --color-text-light: #cbd5e1;
        --color-text-lighter: #94a3b8;
        --color-border: #334155;
    }
}

/* 性能优化 */
* {
    will-change: auto;
}

.capability-card:hover,
.agent-card:hover,
.stat-card:hover,
.prompt-category:hover {
    will-change: transform;
}

/* 无障碍支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 打印样式 */
@media print {
    .navbar, .hero-buttons, .back-to-top, .copy-notification {
        display: none !important;
    }
    
    .hero {
        background: white !important;
        color: black !important;
    }
    
    .capability-card, .agent-card, .stat-card, .prompt-category {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* 成功案例区域 */
.examples {
    padding: 80px 0;
    background: var(--color-bg);
    position: relative;
}

.examples::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--color-bg-gray);
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 70%);
}

.examples .container {
    position: relative;
    z-index: 1;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.example-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.example-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.example-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.example-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.example-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    flex-shrink: 0;
}

.example-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    opacity: 0.3;
    z-index: -1;
    transition: all 0.3s ease;
}

.example-card:hover .example-icon {
    transform: scale(1.1) rotate(5deg);
}

.example-card:hover .example-icon::before {
    transform: scale(1.2);
    opacity: 0.5;
}

.example-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin: 0;
    line-height: 1.2;
}

.example-card p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    font-size: 1rem;
}

.example-tech {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.tech-tag {
    background: var(--color-bg);
    color: var(--color-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.3s ease;
}

.tech-tag:hover::before {
    left: 100%;
}

.tech-tag:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* 成功案例统计 */
.example-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
}

.example-stat {
    text-align: center;
    flex: 1;
}

.example-stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.example-stat-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* 成功案例徽章 */
.example-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-success);
    color: var(--color-text-white);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.example-badge.completed {
    background: var(--color-success);
}

.example-badge.in-progress {
    background: var(--color-warning);
}

.example-badge.planned {
    background: var(--color-text-light);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .examples-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .example-card {
        padding: 20px;
    }
    
    .example-header {
        gap: 15px;
    }
    
    .example-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .example-header h3 {
        font-size: 1.2rem;
    }
    
    .example-tech {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .example-card {
        padding: 15px;
    }
    
    .example-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .example-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .example-header h3 {
        font-size: 1.1rem;
    }
    
    .example-tech {
        justify-content: center;
    }
}

.float-code-block {
    width: 100%;
    background: #23272f;
    border-radius: 10px;
    box-shadow: 0 2px 12px 0 rgba(30,41,59,0.10);
    padding: 0 0 8px 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border: 1.5px solid rgba(255,255,255,0.10);
    overflow: hidden;
}

.float-code-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px 5px 12px;
    background: #181c23;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.float-code-header .code-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.float-code-header .code-dot.red { background: #ff5f56; }
.float-code-header .code-dot.yellow { background: #ffbd2e; }
.float-code-header .code-dot.green { background: #27c93f; }

.float-code-block pre {
    margin: 0;
    padding: 8px 14px 0 14px;
    color: #fff;
    font-size: 1.08rem;
    font-family: 'Fira Mono', 'Consolas', 'Menlo', 'Monaco', monospace;
    background: transparent;
    white-space: pre;
    line-height: 1.7;
    letter-spacing: 0.01em;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.float-code-block code {
    background: none;
    color: #fff;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.float-element {
    width: 120px;
    height: 80px;
    padding: 0;
    background: rgba(30,41,59,0.10);
    border-radius: 16px;
    box-shadow: 0 4px 24px 0 rgba(59,130,246,0.08);
    border: 1.5px solid rgba(255,255,255,0.18);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    transition: box-shadow 0.3s, background 0.3s;
}

.float-element:hover {
    box-shadow: 0 8px 32px 0 rgba(59,130,246,0.18);
    background: rgba(59,130,246,0.10);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}