:root {
    --primary-color: #60A5FA;
    --secondary-color: #3B82F6;
    --accent-color: #38BDF8;
    --text-color: #F8FAFC;
    --text-color-secondary: #CBD5E1;
    --bg-color: #020617;
    --bg-secondary: #0F172A;
    --card-bg: rgba(15, 23, 42, 0.7);
    --border-color: rgba(148, 163, 184, 0.1);
    --max-width: 1200px;
    --border-radius: 12px;
    --gradient-primary: linear-gradient(135deg, #60A5FA 0%, #38BDF8 100%);
    --gradient-secondary: linear-gradient(135deg, #3B82F6 0%, #38BDF8 100%);
    --bg-gradient: linear-gradient(to bottom right, #020617, #0F172A, #020617);
    --grid-line-color: rgba(148, 163, 184, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.8;
    color: var(--text-color);
    background: var(--bg-gradient);
    overflow-x: hidden;
    position: relative;
    width: 100%;
    -webkit-overflow-scrolling: touch;
}

/* 添加背景网格 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-line-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

/* 添加光晕效果 */
body::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.1) 0%, rgba(56, 189, 248, 0.05) 30%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    animation: glow 10s infinite alternate;
}

@keyframes glow {
    0% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* 移除粒子容器 */
.particles-container {
    display: none;
}

/* 替换玻璃效果为普通卡片效果 */
.glass-effect {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0.5rem 2rem;
    z-index: 1000;
    transition: all 0.3s ease;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 0;
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s;
}

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

.nav-menu a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: var(--max-width);
    width: 100%;
    padding: 4rem;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--gradient-secondary);
    border-radius: 30px;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    font-weight: 500;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.typing-text {
    position: relative;
    display: block;
    font-size: 4rem;
    margin-top: 1rem;
}

.hero-content p {
    font-size: 1.4rem;
    margin: 2rem auto 3rem;
    opacity: 0.9;
    max-width: 800px;
    line-height: 1.8;
}

.cta-group {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.cta-button {
    background: var(--gradient-primary);
    color: var(--text-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(96, 165, 250, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(96, 165, 250, 0.3);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.tech-badge {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
    color: var(--text-color);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.tech-badge:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

/* Section Styles */
section {
    padding: 8rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem;
}

.about-text {
    text-align: left;
    margin-bottom: 3rem;
}

.about-main {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    text-align: center;
    color: var(--text-color-secondary);
    opacity: 0.9;
}

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

.about-detail-item {
    padding: 1.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.about-detail-item:hover {
    transform: translateY(-5px);
}

.about-detail-item h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.about-detail-item p {
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    padding: 2rem 1rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
    padding: 1.5rem 1rem;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-number {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(96, 165, 250, 0.3);
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
}

.stat-number .percent,
.stat-number .day,
.stat-number .person {
    font-size: 1.5rem;
    background: none;
    -webkit-text-fill-color: var(--text-color);
    text-shadow: none;
    opacity: 0.9;
    margin-left: 0.2rem;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    line-height: 1.4;
}

.stat-desc {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.4;
}

/* Advantages Section */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.advantage-card {
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s;
}

.advantage-card:hover {
    transform: translateY(-10px);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.2);
}

.advantage-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.tech-progress {
    height: 4px;
    background: var(--bg-color);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 1.5rem;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 1.5s ease-in-out;
}

/* Requirements Section */
.requirements-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 0 1rem;
}

.requirement-item {
    padding: 1.8rem;
    transition: transform 0.3s ease;
}

.requirement-item:hover {
    transform: translateY(-5px);
}

.requirement-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.requirement-icon {
    font-size: 2rem;
}

.requirement-item h3 {
    color: var(--text-color);
}

.requirement-item ul {
    list-style: none;
}

.requirement-item li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.check-icon {
    color: #38BDF8;
}

/* Contact Info */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
    text-align: center;
}

.contact-title {
    margin-bottom: 3rem;
}

.contact-title h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-title p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
}

.method-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    border-radius: 50%;
}

.method-content {
    text-align: left;
}

.method-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.method-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 500;
    color: var(--accent-color);
}

.contact-note {
    font-size: 1rem;
    opacity: 0.8;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Footer Styles */
.footer {
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 4rem;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-links-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-links-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    text-align: center;
}

.footer-links-group h4 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.footer-links-group h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.footer-link-item {
    margin-bottom: 1.5rem;
    transform: translateY(0);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 600px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.footer-link-item:nth-child(2) {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.15);
}

.footer-link-item:nth-child(2):hover {
    transform: scale(1.08) translateY(-5px);
    box-shadow: 0 12px 40px rgba(56, 189, 248, 0.25);
}

.footer-link-item a {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 2rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    align-items: center;
}

.link-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.link-desc {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
    text-align: center;
}

.link-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
    justify-content: center;
}

.feature-tag {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
    color: var(--text-color-secondary);
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
}

.footer-link-item:nth-child(2) .feature-tag {
    background: rgba(56, 189, 248, 0.1);
}

.footer-description {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    opacity: 0.95;
    text-align: center;
}

.cta-hint {
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 500;
    animation: pulse 2s infinite;
    text-align: center;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
    100% {
        opacity: 1;
    }
}

/* Animations */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes button-shine {
    100% {
        transform: translateX(100%);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        min-width: 320px;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .nav-container,
    .hero-content,
    .section-header,
    .about-content,
    .advantages-grid,
    .cases-grid,
    .requirements-content,
    .contact-info,
    .about-us-content,
    .footer-content {
        width: 100%;
        max-width: 100%;
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        box-sizing: border-box;
        overflow-x: hidden;
    }

    /* 防止内容溢出 */
    section {
        width: 100%;
        overflow-x: hidden;
    }

    /* 优化滚动容器 */
    main {
        width: 100%;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }

    /* 优化网格布局 */
    .tech-badges,
    .about-details,
    .mvp-grid,
    .advantages-grid,
    .cases-grid,
    .requirements-content,
    .about-us-grid {
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        padding: 0 1rem;
        box-sizing: border-box;
    }

    /* 调整按钮组布局 */
    .cta-group {
        width: 100%;
        padding: 0 1rem;
        box-sizing: border-box;
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    /* 优化卡片布局 */
    .glass-effect {
        width: calc(100% - 1rem);
        margin: 0 auto;
        padding: 1.2rem;
        box-sizing: border-box;
    }

    /* 移动端导航栏优化 */
    .header {
        padding: 0;
        position: fixed;
        background: var(--bg-color);
        min-height: 60px;
        display: flex;
        align-items: center;
    }

    .nav-container {
        padding: 0.6rem 1rem;
        min-height: 60px;
        display: flex;
        align-items: center;
    }

    .logo {
        padding: 0.6rem 0;
        margin-right: 2rem;
    }

    .logo-text {
        font-size: 1.2rem;
        line-height: 1.2;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(2, 6, 23, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .nav-menu.active {
        max-height: 400px;
        overflow-y: auto;
    }

    .nav-menu li {
        width: 100%;
        opacity: 0;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }

    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-menu a {
        padding: 1rem 1.5rem;
        display: block;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu a:hover {
        background: rgba(96, 165, 250, 0.1);
    }

    /* 为每个菜单项添加延迟动画 */
    .nav-menu li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu li:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu li:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu li:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu li:nth-child(5) { transition-delay: 0.3s; }
    .nav-menu li:nth-child(6) { transition-delay: 0.35s; }
    .nav-menu li:nth-child(7) { transition-delay: 0.4s; }
    .nav-menu li:nth-child(8) { transition-delay: 0.45s; }

    /* 内容区域适配 */
    main {
        padding-top: 60px;
    }

    .hero-section {
        padding: 0.3rem;
        min-height: calc(100vh - 60px);
        margin-top: 0;
    }

    .hero-content {
        width: calc(100% - 1rem);
        margin: 0 auto;
        padding: 1rem;
    }

    .hero-badge {
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .typing-text {
        font-size: 1.8rem;
        margin-top: 0.5rem;
    }

    .hero-content p {
        font-size: 1rem;
        margin: 1.5rem auto;
        padding: 0 0.5rem;
    }

    /* 移动端按钮组优化 */
    .cta-group {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
        padding: 0 1rem;
        justify-content: center;
    }

    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
        min-width: 140px;
    }

    /* 移动端标签组优化 */
    .tech-badges {
        gap: 0.6rem;
        padding: 0 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 1.5rem;
    }

    .tech-badge {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* 移动端section间距优化 */
    section {
        padding: 4rem 1rem;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
        padding: 0 0.5rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.5rem 0.5rem;
    }

    .stat-item {
        padding: 1rem 0.5rem;
        max-width: 280px;
        margin: 0 auto;
        width: 100%;
    }

    .stat-number {
        font-size: 2rem;
        margin-bottom: 0.3rem;
    }

    .stat-number .percent,
    .stat-number .day,
    .stat-number .person {
        font-size: 1.3rem;
    }

    .stat-label {
        font-size: 1rem;
        margin-bottom: 0.3rem;
        white-space: nowrap;
    }

    .stat-desc {
        font-size: 0.85rem;
        max-width: 200px;
        margin: 0 auto;
    }

    .about-us-content {
        padding: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }

    .about-us-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        width: 100%;
        padding: 0;
        margin: 0 auto 2rem;
    }

    .about-us-item {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        padding: 1.5rem;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .about-us-stats {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        width: 100%;
        padding: 1.5rem 0.5rem;
    }

    .stat-box {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        padding: 1rem 0.5rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        box-sizing: border-box;
    }

    .stat-box .stat-number {
        font-size: 2.5rem;
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.2rem;
        line-height: 1.2;
    }

    .stat-box .stat-number span {
        font-size: 2rem;
        margin-left: 0.1rem;
    }

    .stat-box .stat-text {
        font-size: 1rem;
        line-height: 1.4;
        white-space: nowrap;
    }
}

/* 小屏幕设备额外优化 */
@media (max-width: 375px) {
    body {
        min-width: 320px;
    }

    .container {
        padding-left: 0.8rem;
        padding-right: 0.8rem;
    }

    .nav-container {
        padding: 0.5rem 0.8rem;
        min-height: 55px;
    }

    .logo {
        padding: 0.5rem 0;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .menu-toggle {
        width: 25px;
        height: 18px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .typing-text {
        font-size: 1.6rem;
    }

    .cta-button {
        width: 100%;
        min-width: auto;
    }

    .about-stats {
        padding: 1rem 0.3rem;
    }

    .stat-item {
        padding: 0.8rem 0.3rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-number .percent,
    .stat-number .day,
    .stat-number .person {
        font-size: 1.3rem;
    }

    .stat-label {
        font-size: 0.95rem;
    }

    .stat-desc {
        font-size: 0.8rem;
        max-width: 180px;
    }

    .about-us-item,
    .stat-box {
        max-width: 280px;
        padding: 1.2rem;
    }

    .about-us-intro p {
        padding: 0 0.8rem;
    }

    .hero-content {
        width: calc(100% - 0.8rem);
        padding: 1.2rem 1rem;
    }

    main {
        padding-top: 55px;
    }

    .hero-section {
        min-height: calc(100vh - 55px);
    }

    .tech-badges {
        gap: 0.5rem;
        padding: 0 0.3rem;
    }

    .tech-badge {
        padding: 0.3rem 0.7rem;
        font-size: 0.8rem;
    }

    .about-us-stats {
        gap: 1rem;
        padding: 1rem 0.3rem;
    }

    .stat-box {
        padding: 0.8rem 0.3rem;
        max-width: 280px;
    }

    .stat-box .stat-number {
        font-size: 2.2rem;
    }

    .stat-box .stat-number span {
        font-size: 1.8rem;
    }

    .stat-box .stat-text {
        font-size: 0.9rem;
    }
}

/* 超小屏幕额外优化 */
@media (max-width: 320px) {
    .stat-box {
        padding: 0.6rem 0.2rem;
    }

    .stat-box .stat-number {
        font-size: 2rem;
    }

    .stat-box .stat-number span {
        font-size: 1.6rem;
    }

    .stat-box .stat-text {
        font-size: 0.85rem;
    }
}

/* 适配刘海屏 */
@supports (padding-top: env(safe-area-inset-top)) {
    .header {
        padding-top: env(safe-area-inset-top);
    }

    main {
        padding-top: calc(60px + env(safe-area-inset-top));
    }
}

/* Message Box Styles */
.message-box {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.message {
    margin-bottom: 10px;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    color: white;
    animation: slideIn 0.3s ease-out;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.message.success {
    background: rgba(16, 185, 129, 0.9);
}

.message.error {
    background: rgba(239, 68, 68, 0.9);
}

.message.info {
    background: rgba(59, 130, 246, 0.9);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Cases Section */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.case-card {
    padding: 2rem;
    transition: transform 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
}

.case-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.case-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.case-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.case-info p {
    color: var(--accent-color);
    font-weight: 500;
}

.case-content {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.case-content p {
    opacity: 0.9;
    line-height: 1.6;
}

/* MVP Section */
.mvp-section {
    padding: 8rem 2rem;
}

.mvp-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem;
}

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

.mvp-item {
    padding: 2rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.mvp-item:hover {
    transform: translateY(-5px);
}

.mvp-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.mvp-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mvp-item p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.demo-section, .tech-support {
    padding: 2.5rem;
    margin-top: 2rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.demo-header, .support-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.demo-icon, .support-icon {
    font-size: 2rem;
}

.demo-section h3, .tech-support h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.demo-section p, .tech-support p {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .mvp-section {
        padding: 4rem 0.5rem;
    }

    .mvp-content {
        width: calc(100% - 1rem);
        margin: 0 auto;
        padding: 1.2rem;
    }

    .mvp-grid {
        gap: 0.8rem;
        padding: 0;
    }

    .mvp-item {
        width: calc(100% - 1rem);
        margin: 0 auto 0.8rem;
        padding: 1.2rem;
    }

    .demo-section, 
    .tech-support {
        width: calc(100% - 1rem);
        margin: 0.8rem auto;
        padding: 1.2rem;
    }
}

@media (max-width: 375px) {
    .mvp-section {
        padding: 3rem 0.3rem;
    }

    .mvp-content {
        width: calc(100% - 0.8rem);
        padding: 1rem;
    }

    .mvp-item,
    .demo-section,
    .tech-support {
        width: calc(100% - 0.8rem);
        margin: 0.6rem auto;
        padding: 1rem;
    }
}

/* About Us Section */
.about-us-section {
    padding: 8rem 2rem;
    background: var(--bg-color);
}

.about-us-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem;
}

.about-us-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.about-us-intro p {
    font-size: 1.3rem;
    line-height: 1.8;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.about-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

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

.about-us-item:hover {
    transform: translateY(-5px);
}

.item-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.about-us-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-us-item p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.about-us-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.stat-box {
    text-align: center;
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
}

.stat-number span {
    font-size: 2rem;
    opacity: 1;
    color: var(--accent-color);
    background: none;
    -webkit-text-fill-color: var(--accent-color);
    margin-left: 0.2rem;
    text-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}

.stat-text {
    font-size: 1.2rem;
    font-weight: 500;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .about-us-section {
        padding: 4rem 0.5rem;
    }

    .about-us-content {
        width: calc(100% - 0.6rem);
        margin: 0 auto;
        padding: 1rem;
    }

    .about-us-intro {
        margin-bottom: 2rem;
    }

    .about-us-intro p {
        padding: 0 0.5rem;
        font-size: 1.1rem;
    }

    .about-us-grid {
        gap: 0.8rem;
        padding: 0;
    }

    .about-us-item {
        width: calc(100% - 0.4rem);
        margin: 0 auto 0.8rem;
        padding: 1rem;
    }

    .about-us-stats {
        grid-template-columns: 1fr;
        gap: 0.8rem;
        padding: 0.8rem 0.2rem;
        margin-top: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }

    .stat-box {
        padding: 0.6rem 0.2rem;
        max-width: 260px;
        margin: 0 auto;
        width: 100%;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .stat-box .stat-number {
        font-size: 1.8rem;
        line-height: 1;
        display: flex;
        align-items: center;
        gap: 0.1rem;
    }

    .stat-box .stat-number span {
        font-size: 1.4rem;
        margin-left: 0.1rem;
        color: var(--accent-color);
        background: none;
        -webkit-text-fill-color: var(--accent-color);
        text-shadow: 0 0 8px rgba(56, 189, 248, 0.3);
    }

    .stat-box .stat-text {
        font-size: 0.85rem;
        line-height: 1.2;
        margin-top: 0.2rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
}

@media (max-width: 375px) {
    .about-us-section {
        padding: 3rem 0.3rem;
    }

    .about-us-content {
        width: calc(100% - 0.4rem);
        padding: 0.8rem;
    }

    .about-us-item,
    .stat-box {
        width: calc(100% - 0.3rem);
        padding: 0.8rem;
    }

    .about-us-intro p {
        padding: 0 0.3rem;
    }

    .stat-box .stat-number span {
        font-size: 1.2rem;
        text-shadow: 0 0 6px rgba(56, 189, 248, 0.3);
    }
}

/* SEO and Accessibility Styles */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Improve Text Contrast */
body {
    color: var(--text-color);
    line-height: 1.8;
}

/* Improve Link Accessibility */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
    outline: none;
}

a:hover, a:focus {
    color: var(--primary-color);
    text-decoration: underline;
}

a:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Improve Focus States */
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Improve Text Readability */
p, li {
    max-width: 70ch;
    margin-left: auto;
    margin-right: auto;
}

/* Improve Heading Hierarchy */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1em;
    line-height: 1.3;
}

/* Skip Navigation Link */
.skip-nav {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 1001;
    transition: top 0.3s;
}

.skip-nav:focus {
    top: 0;
}

/* Print Styles */
@media print {
    .particles-container,
    .nav-menu,
    .cta-group,
    .tech-badges {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .glass-effect {
        background: none;
        border: none;
        box-shadow: none;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    .hero-content h1,
    .section-header h2,
    .gradient-text {
        color: black !important;
        -webkit-text-fill-color: black !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #000080;
        --accent-color: #008000;
        --text-color: #ffffff;
        --bg-color: #000000;
        --card-bg: rgba(0, 0, 0, 0.9);
        --border-color: rgba(255, 255, 255, 0.3);
    }

    .glass-effect {
        background: var(--card-bg);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    a:focus,
    button:focus,
    input:focus,
    textarea:focus,
    select:focus {
        outline: 3px solid yellow;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }

    .particles-container {
        display: none;
    }
}

/* 添加汉堡菜单按钮样式 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* 移动端频道按钮栏 */
.channel-bar {
    display: none;
}

@media (max-width: 768px) {
    .channel-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-color);
        padding: 0.5rem;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .channel-buttons {
        display: flex;
        justify-content: space-around;
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
    }

    .channel-button {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0.5rem;
        color: var(--text-color);
        text-decoration: none;
        font-size: 0.9rem;
        opacity: 0.7;
        transition: all 0.3s ease;
    }

    .channel-button.active {
        color: var(--primary-color);
        opacity: 1;
    }

    .channel-button-icon {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }

    .channel-button-text {
        font-size: 0.8rem;
        font-weight: 500;
    }

    /* 为底部频道栏留出空间 */
    main {
        padding-bottom: 80px;
    }

    .footer {
        margin-bottom: 60px;
    }

    /* 适配刘海屏 */
    @supports (padding-bottom: env(safe-area-inset-bottom)) {
        .channel-bar {
            padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
        }
        
        main {
            padding-bottom: calc(80px + env(safe-area-inset-bottom));
        }
        
        .footer {
            margin-bottom: calc(60px + env(safe-area-inset-bottom));
        }
    }
}

/* 移动端全局卡片布局优化 */
@media (max-width: 768px) {
    /* 通用卡片容器优化 */
    .glass-effect {
        width: calc(100% - 1rem);
        margin: 0 auto;
        padding: 1.2rem;
        box-sizing: border-box;
    }

    /* 关于我们卡片优化 */
    .about-content {
        width: calc(100% - 1rem);
        margin: 0 auto;
        padding: 1.2rem;
    }

    .about-detail-item {
        width: 100%;
        margin: 0 auto 0.8rem;
        padding: 1.2rem;
    }

    /* 数据统计卡片优化 */
    .stat-item {
        width: calc(100% - 1rem);
        max-width: none;
        margin: 0 auto;
        padding: 1.2rem;
    }

    /* 优势卡片优化 */
    .advantage-card {
        width: calc(100% - 1rem);
        margin: 0 auto 1rem;
        padding: 1.5rem 1.2rem;
    }

    /* 案例卡片优化 */
    .case-card {
        width: calc(100% - 1rem);
        margin: 0 auto 1rem;
        padding: 1.2rem;
    }

    /* MVP卡片优化 */
    .mvp-item {
        width: calc(100% - 1rem);
        margin: 0 auto 1rem;
        padding: 1.2rem;
    }

    /* 要求卡片优化 */
    .requirement-item {
        width: calc(100% - 1rem);
        margin: 0 auto 1rem;
        padding: 1.2rem;
    }

    /* 联系信息卡片优化 */
    .contact-info {
        width: calc(100% - 1rem);
        margin: 0 auto;
        padding: 1.5rem 1.2rem;
    }

    .contact-method {
        width: 100%;
        margin: 0 auto 0.8rem;
        padding: 1.2rem;
    }

    /* 关于我们部分优化 */
    .about-us-item {
        width: calc(100% - 1rem);
        max-width: none;
        margin: 0 auto 1rem;
        padding: 1.5rem 1.2rem;
    }

    .about-us-stats .stat-box {
        width: calc(100% - 1rem);
        max-width: none;
        margin: 0 auto 0.8rem;
        padding: 1.2rem;
    }

    /* 页脚链接卡片优化 */
    .footer-link-item {
        width: calc(100% - 1rem);
        margin: 0 auto 1rem;
        padding: 0;
    }

    .footer-link-item a {
        padding: 1.5rem 1.2rem;
    }

    /* 网格布局优化 */
    .about-details,
    .mvp-grid,
    .advantages-grid,
    .cases-grid,
    .requirements-content,
    .about-us-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.8rem;
        width: 100%;
        padding: 0 0.5rem;
        margin: 0;
    }

    /* 内容间距优化 */
    section {
        padding: 3rem 0.5rem;
    }

    .section-header {
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
    }

    /* 内容区块优化 */
    .hero-content,
    .about-content,
    .mvp-content,
    .contact-info,
    .about-us-content {
        padding: 1.5rem 1rem;
    }
}

/* 小屏幕额外优化 */
@media (max-width: 375px) {
    /* 通用卡片容器进一步优化 */
    .glass-effect {
        width: calc(100% - 0.8rem);
        padding: 1rem;
    }

    /* 所有卡片统一调整 */
    .about-detail-item,
    .stat-item,
    .advantage-card,
    .case-card,
    .mvp-item,
    .requirement-item,
    .contact-method,
    .about-us-item,
    .about-us-stats .stat-box,
    .footer-link-item {
        width: calc(100% - 0.8rem);
        padding: 1rem;
        margin: 0 auto 0.8rem;
    }

    /* 内容区块进一步优化 */
    section {
        padding: 2rem 0.4rem;
    }

    .section-header {
        padding: 0 0.4rem;
    }

    .hero-content,
    .about-content,
    .mvp-content,
    .contact-info,
    .about-us-content {
        padding: 1.2rem 0.8rem;
    }

    /* 网格间距调整 */
    .about-details,
    .mvp-grid,
    .advantages-grid,
    .cases-grid,
    .requirements-content,
    .about-us-grid {
        gap: 0.6rem;
        padding: 0 0.4rem;
    }
}

/* 关于我们部分的统计数字样式优化 */
.about-us-stats .stat-box .stat-number span {
    color: var(--accent-color);
    background: none;
    -webkit-text-fill-color: var(--accent-color);
    text-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
    opacity: 1;
    font-weight: 600;
}