/* 基礎樣式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色調 - 金融科技風格 */
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --accent-color: #ff6b35;
    --gold-color: #ffd700;
    --crypto-blue: #0052cc;
    --crypto-green: #00d4aa;
    
    /* 中性色 */
    --dark-bg: #0f1419;
    --darker-bg: #0a0e13;
    --card-bg: #1a1f2e;
    --text-primary: #ffffff;
    --text-secondary: #b0b8c1;
    --text-muted: #8892a0;
    --border-color: #2d3748;
    
    /* 漸變色 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-crypto: linear-gradient(135deg, #1a73e8 0%, #00d4aa 100%);
    --gradient-gold: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
    
    /* 字體 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* 陰影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(26, 115, 232, 0.3);
}

/* 基礎樣式 */
body {
    font-family: var(--font-family);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 導航欄 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.crypto-icon {
    background: var(--gradient-crypto);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

/* 下拉菜单容器 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 下拉菜单样式 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 0.5rem;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 下拉菜单项 */
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--darker-bg);
    color: var(--text-primary);
    transform: translateX(5px);
}

.dropdown-item i {
    font-size: 1rem;
    color: var(--primary-color);
    min-width: 18px;
    text-align: center;
}

.dropdown-item-content {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.dropdown-item-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: inherit;
}

.dropdown-item-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.8;
}

.dropdown-item:hover .dropdown-item-desc {
    color: var(--text-secondary);
    opacity: 1;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

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

.language-switcher {
    position: relative;
}

.language-select {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-select:hover {
    border-color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Three.js 容器樣式 */
.three-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.three-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* 英雄區域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--darker-bg);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(26, 115, 232, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
}

.crypto-animation {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid rgba(26, 115, 232, 0.3);
    border-radius: 20px;
    animation: float 6s ease-in-out infinite;
}

.blockchain-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    transform: rotate(45deg);
}

.blockchain-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
    border-color: rgba(0, 212, 170, 0.3);
}

.blockchain-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
    border-color: rgba(255, 215, 0, 0.3);
    transform: rotate(-30deg);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: var(--gradient-crypto);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 按鈕樣式 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-crypto);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

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

/* 服務區域 */
.services {
    padding: 100px 0;
    background: var(--dark-bg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: var(--gradient-crypto);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-crypto);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.service-link:hover {
    color: var(--crypto-green);
    transform: translateX(5px);
}

.service-link i {
    transition: transform 0.3s ease;
}

.service-link:hover i {
    transform: translateX(3px);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-crypto);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 關於我們區域 */
.about {
    padding: 100px 0;
    background: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(26, 115, 232, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 170, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text h2 {
    text-align: left;
    margin-bottom: 2rem;
}

.about-description {
    margin-bottom: 2rem;
}

.about-description p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* 技术优势 */
.tech-advantages {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-crypto);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.advantage-item:hover::before {
    transform: scaleY(1);
}

.advantage-item:hover {
    transform: translateX(5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-crypto);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
}

.advantage-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.advantage-content span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    justify-content: center;
}

/* 3D科技展示区 */
.tech-display {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.tech-grid {
    position: relative;
    width: 100%;
    height: 100%;
}

.tech-node {
    position: absolute;
    width: 80px;
    height: 80px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tech-node[data-tech="blockchain"] {
    top: 20px;
    left: 20px;
}

.tech-node[data-tech="ai"] {
    top: 20px;
    right: 20px;
}

.tech-node[data-tech="cloud"] {
    bottom: 20px;
    left: 20px;
}

.tech-node[data-tech="security"] {
    bottom: 20px;
    right: 20px;
}

.node-core {
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    position: relative;
    z-index: 3;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(26, 115, 232, 0.3);
}

.node-orbit {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 80px;
    height: 80px;
    border: 1px solid rgba(26, 115, 232, 0.3);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

.node-orbit::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--crypto-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--crypto-green);
}

.node-label {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    font-weight: 500;
}

.tech-node:hover .node-core {
    transform: scale(1.1);
    border-color: var(--crypto-green);
    color: var(--crypto-green);
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.5);
}

.tech-node:hover .node-orbit {
    border-color: var(--crypto-green);
    animation-duration: 2s;
}

.tech-node:hover .node-label {
    color: var(--text-primary);
}

/* 连接线动画 */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.connections-svg {
    width: 100%;
    height: 100%;
}

.connection-line {
    stroke-dasharray: 5, 5;
    animation: dash 3s linear infinite;
    opacity: 0.6;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes dash {
    to {
        stroke-dashoffset: -10;
    }
}

.tech-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.tech-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--crypto-green);
    box-shadow: 0 8px 25px rgba(0, 212, 170, 0.2);
}

.tech-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-crypto);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item span {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

/* 聯繫我們區域 */
.contact {
    padding: 100px 0;
    background: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* 頁腳 */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* 移动端下拉菜单隐藏 */
    .nav-dropdown .dropdown-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 1.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .tech-advantages {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .advantage-item {
        flex: 1;
        min-width: 250px;
    }
    
    .tech-display {
        width: 250px;
        height: 250px;
    }
    
    .tech-node {
        width: 60px;
        height: 60px;
    }
    
    .node-core {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .node-orbit {
        width: 60px;
        height: 60px;
        top: -7px;
        left: -7px;
    }
    
    .node-label {
        top: 55px;
        font-size: 0.7rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .tech-showcase {
        grid-template-columns: 1fr;
    }

    /* 服务详情页响应式 */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .architecture-layers .arch-layer {
        margin-bottom: 1rem;
    }
}

/* 中等屏幕优化 */
@media (max-width: 1024px) and (min-width: 769px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    .dropdown-menu {
        min-width: 260px;
    }
    
    .dropdown-item {
        padding: 0.7rem 1rem;
    }
    
    .dropdown-item i {
        font-size: 0.9rem;
    }
    
    .dropdown-item-title {
        font-size: 0.8rem;
    }
    
    .dropdown-item-desc {
        font-size: 0.65rem;
    }
}

/* 大屏幕优化 */
@media (min-width: 1200px) {
    .dropdown-menu {
        min-width: 300px;
    }
    
    .dropdown-item {
        padding: 0.9rem 1.3rem;
    }
    
    .dropdown-item i {
        font-size: 1.1rem;
    }
    
    .dropdown-item-title {
        font-size: 0.9rem;
    }
    
    .dropdown-item-desc {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }

    /* 服务详情页小屏幕优化 */
    .service-hero {
        padding: 60px 0;
    }
    
    .service-title {
        font-size: 2rem;
    }
    
    .tech-tags {
        gap: 0.5rem;
    }
    
    .tech-tag {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}

/* 服务详情页样式 */
#service-detail {
    min-height: 100vh;
    background: var(--dark-bg);
}

.service-detail-container {
    padding-top: 80px; /* 为固定导航栏留出空间 */
}

.back-navigation {
    padding: 20px 0;
    background: var(--darker-bg);
    border-bottom: 1px solid var(--border-color);
}

.back-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.back-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateX(-3px);
}

.service-hero {
    padding: 80px 0;
    background: var(--darker-bg);
    text-align: center;
}

.service-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.service-icon-large {
    width: 100px;
    height: 100px;
    background: var(--gradient-crypto);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 3rem;
    color: white;
}

.service-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-crypto);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.service-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.service-features,
.service-technologies,
.service-metrics,
.service-architecture,
.service-contact {
    padding: 80px 0;
}

.service-features {
    background: var(--dark-bg);
}

.service-technologies {
    background: var(--darker-bg);
}

.service-metrics {
    background: var(--dark-bg);
}

.service-architecture {
    background: var(--darker-bg);
}

.service-contact {
    background: var(--dark-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.tech-tag {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.metric-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: var(--crypto-green);
    box-shadow: var(--shadow-md);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.architecture-diagram {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* 架构图样式 */
.architecture-layers {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.arch-layer {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.arch-layer:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.layer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.layer-components {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.component {
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* RWA流程图 */
.rwa-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.flow-step {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    min-width: 150px;
    transition: all 0.3s ease;
}

.flow-step:hover {
    border-color: var(--crypto-green);
    transform: translateY(-5px);
}

.step-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.step-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.step-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* 云架构图 */
.cloud-architecture {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cloud-layer {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1rem;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.cloud-layer.frontend { border-left: 4px solid #ff6b35; }
.cloud-layer.api { border-left: 4px solid #1a73e8; }
.cloud-layer.microservices { border-left: 4px solid #00d4aa; }
.cloud-layer.infrastructure { border-left: 4px solid #ffd700; }

.layer-title {
    min-width: 100px;
    font-weight: 600;
    color: var(--text-primary);
}

.services {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service {
    background: var(--card-bg);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

/* 安全架构图 */
.security-layers {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 400px;
}

.security-ring {
    position: absolute;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.security-ring.outer {
    width: 350px;
    height: 350px;
    border-color: var(--accent-color);
}

.security-ring.middle {
    width: 250px;
    height: 250px;
    border-color: var(--primary-color);
}

.security-ring.inner {
    width: 150px;
    height: 150px;
    border-color: var(--crypto-green);
}

.ring-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.security-items {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    text-align: center;
}

.security-item {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 开发技术栈 */
.dev-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stack-layer {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.layer-name {
    min-width: 100px;
    font-weight: 600;
    color: var(--text-primary);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-item {
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* 数据分析管道 */
.analytics-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.pipeline-stage {
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    min-width: 150px;
    transition: all 0.3s ease;
}

.pipeline-stage:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.stage-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.stage-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stage-item {
    background: var(--card-bg);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.pipeline-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* 联系咨询区域 */
.contact-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-cta h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-cta p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .tech-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

/* 滾動動畫 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 加載動畫 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 自定義滾動條 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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