/* Functorz风格设计系统 */
 :root {
    --primary: #00F0FF;
    --primary-glow: rgba(0, 240, 255, 0.7);
    --secondary: #FF00C7;
    --secondary-glow: rgba(255, 0, 199, 0.7);
    --accent: #00FF9D;
    --accent-glow: rgba(0, 255, 157, 0.7);
    --dark: #0A0A0F;
    --darker: #19192b;
    --dark-light: #12121A;
    --gray: #8A8AA3;
    --light: #F0F0FF;
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-secondary: linear-gradient(135deg, var(--secondary), var(--accent));
    --gradient-dark: linear-gradient(135deg, var(--darker), #151525);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(0, 240, 255, 0.4);
    --shadow-glow-secondary: 0 0 40px rgba(255, 0, 199, 0.4);
    --border-radius: 20px;
    --border-radius-lg: 40px;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', 'Segoe UI', 'PingFang SC', sans-serif;
    background-color: var(--darker);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 背景动态效果 */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -3;
    animation: gridMove 20s linear infinite;
}

.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.3;
}

.glow-1 {
    position: absolute;
    top: 20%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(60px);
    animation: float 15s ease-in-out infinite;
}

.glow-2 {
    position: absolute;
    top: 60%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--secondary-glow) 0%, transparent 70%);
    filter: blur(60px);
    animation: float 20s ease-in-out infinite reverse;
}

.glow-3 {
    position: absolute;
    bottom: 10%;
    left: 30%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(60px);
    animation: float 18s ease-in-out infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(25px, 25px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.section {
    padding: 150px 0;
    position: relative;
}

.section-title {
    font-size: 4.5rem;
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.section-title .gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    display: inline-block;
}

.section-title .gradient-text::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    border-radius: 2px;
    transform: scaleX(0.8);
    transform-origin: center;
}

.section-subtitle {
    font-size: 1.3rem;
    text-align: center;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto 100px;
    font-weight: 300;
    line-height: 1.8;
}

/* 导航栏 - Functorz风格 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 10px 0;
    background-color: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: var(--shadow);
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2.2rem;
    font-weight: 800;
    color: white;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 80px;
    margin-right: 5px;
    font-size: 2.2rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo span {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.logo:hover::after {
    transform: scaleX(1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
}

.nav-link {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 1.1rem;
    padding: 8px 0;
}

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

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
    border-radius: 1px;
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.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: 0.8s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--darker);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.3);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 240, 255, 0.5), 0 0 30px rgba(0, 240, 255, 0.3);
}

.btn-secondary {
    background: rgba(18, 18, 26, 0.7);
    color: var(--light);
    border: 2px solid rgba(0, 240, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-secondary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
    transform: translateY(-3px);
}

.btn-secondary:hover::after {
    transform: translateX(100%);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
}

/* 英雄区域 - Functorz风格 */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 100px;
}

.hero-left {
    flex: 1;
}

.hero-right {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-title {
    font-size: 5rem;
    margin-bottom: 30px;
    line-height: 1.1;
}

.hero-title span {
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}

.hero-title span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--gray);
    margin-bottom: 60px;
    max-width: 700px;
    font-weight: 300;
    line-height: 1.9;
}

.hero-stats {
    display: flex;
    gap: 150px;
    margin-top: 80px;
    flex-wrap: wrap;
}

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

.stat-item::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
    border: 1px solid rgba(0, 240, 255, 0.1);
}

.stat-item:hover::before {
    opacity: 1;
    transform: scale(1.1);
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    display: block;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--gray);
    margin-top: 15px;
    font-weight: 500;
    letter-spacing: 1px;
}

/* 合作企业滚动 */
.partners-section {
    padding: 100px 0;
    background: rgba(5, 5, 8, 0.7);
    overflow: hidden;
    position: relative;
}

.partners-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 80px;
    color: white;
}

.partners-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.partners-track {
    display: flex;
    animation: scroll 40s linear infinite;
    width: max-content;
    padding: 20px;
}

.partner-item {
    flex: 0 0 auto;
    width: 250px;
    height: 120px;
    margin: 0 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.partner-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.8s;
}

.partner-item:hover::before {
    transform: translateX(100%);
}

.partner-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
}

.partner-logo {
    font-size: 3rem;
    color: var(--primary);
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.partner-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-left: 20px;
    background: linear-gradient(90deg, var(--light), var(--gray));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.partners-track:hover {
    animation-play-state: paused;
}

/* 功能卡片 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 50px;
    margin-top: 100px;
}

.feature-card {
    background: rgba(18, 18, 26, 0.7);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-20px) scale(1.02);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 100px;
    height: 100px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--darker);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: 0.8s;
}

.feature-card:hover .feature-icon::after {
    transform: translateX(100%);
}

.feature-card h3 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: var(--light);
}

.feature-card p {
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.8;
    font-size: 1.1rem;
}

.badge {
    display: inline-block;
    background: rgba(0, 240, 255, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-right: 12px;
    margin-bottom: 12px;
    border: 1px solid rgba(0, 240, 255, 0.3);
    transition: var(--transition);
}

.badge:hover {
    background: rgba(0, 240, 255, 0.2);
    transform: translateY(-3px);
}

/* 新增：数据对比部分 */
.data-comparison {
    padding: 150px 0;
    background: rgba(5, 5, 8, 0.7);
}

.comparison-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 80px;
}

.comparison-card {
    background: rgba(18, 18, 26, 0.7);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.comparison-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.comparison-card:hover {
    transform: translateY(-15px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.comparison-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--light);
}

.data-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.data-label {
    font-size: 1.1rem;
    color: var(--gray);
}

.data-values {
    display: flex;
    align-items: center;
    gap: 20px;
}

.data-value {
    font-size: 1.3rem;
    font-weight: 600;
}

.data-value.before {
    color: #FF6B35;
    text-decoration: line-through;
    opacity: 0.7;
}

.data-value.after {
    color: #00FF9D;
}

.increase {
    display: inline-flex;
    align-items: center;
    background: rgba(0, 255, 157, 0.1);
    color: #00FF9D;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.increase i {
    margin-right: 5px;
}

/* 新增：技术架构部分 */
.tech-architecture {
    padding: 150px 0;
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.architecture-card {
    background: rgba(18, 18, 26, 0.7);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.architecture-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.architecture-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--darker);
}

.architecture-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--light);
}

.architecture-card p {
    color: var(--gray);
    line-height: 1.8;
}

/* 新增：价格方案部分 */
.pricing-plans {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 100px;
    flex-wrap: wrap;
}

.plan-card {
    background: rgba(18, 18, 26, 0.7);
    border-radius: var(--border-radius);
    padding: 60px 50px;
    width: 380px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.plan-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.plan-card:hover {
    transform: translateY(-20px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.plan-card.featured:hover {
    transform: translateY(-20px) scale(1.05);
}

.plan-header {
    text-align: center;
    margin-bottom: 50px;
}

.plan-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--light);
}

.plan-price {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 10px;
}

.plan-period {
    color: var(--gray);
    font-size: 1.1rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 50px;
}

.plan-features li {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    color: var(--gray);
}

.plan-features i {
    margin-right: 15px;
    font-size: 1.3rem;
}

.plan-features .fa-check {
    color: #00FF9D;
}

.plan-features .fa-times {
    color: #8A8AA3;
}

/* 新增：联系我们部分 */
.contact-section {
    padding: 150px 0;
    background: rgba(5, 5, 8, 0.7);
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 80px;
    margin-top: 80px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--darker);
}

.contact-text h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--light);
}

.contact-text p {
    color: var(--gray);
    line-height: 1.7;
}

.contact-form {
    background: rgba(18, 18, 26, 0.7);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--light);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--light);
    font-size: 1rem;
    font-family: 'Space Grotesk', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

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

/* 新增：页脚 */
.footer {
    background: rgba(5, 5, 8, 0.9);
    padding: 120px 0 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 80px;
}

.footer-column h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--light);
}

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

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

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.social-links a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 1.3rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--darker);
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray);
    font-size: 1rem;
}

/* 新增：产品展示部分 */
.product-showcase {
    padding: 150px 0;
    background: rgba(5, 5, 8, 0.7);
}

.product-container {
    display: flex;
    justify-content: center;
    gap: 120px;
    margin-top: 80px;
    flex-wrap: wrap;
}

.product-mockup {
    width: 350px;
    height: 700px;
    background: linear-gradient(145deg, #ffffff, #000000);
    border-radius: 40px;
    padding: 10px;
    box-shadow: var(--shadow);
    position: relative;
    transition: var(--transition);
    transform: perspective(1000px) rotateY(-8deg) rotateX(5deg);
}

.product-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    box-shadow: var(--shadow-glow);
}

.product-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 160px;
    height: 30px;
    background: #0A0A0F;
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.product-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.product-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--darker);
    padding: 30px 25px;
    border-radius: 30px 30px 0 0;
}

.product-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

.product-content {
    padding: 25px;
    color: #333;
    height: calc(100% - 110px);
    overflow-y: auto;
}

/* 新增：客户案例部分 */
.case-studies {
    padding: 150px 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 80px;
}

.case-card {
    background: rgba(18, 18, 26, 0.7);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-15px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.case-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.case-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.8rem;
    color: var(--darker);
}

.case-info h4 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--light);
}

.case-info p {
    color: var(--gray);
    font-size: 1rem;
}

.case-quote {
    font-style: italic;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 30px;
    position: relative;
    padding-left: 25px;
}

.case-quote::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -20px;
    font-size: 2.8rem;
    color: var(--primary);
    opacity: 0.5;
}

.case-stats {
    display: flex;
    justify-content: space-between;
}

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

.case-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.case-stat-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 8px;
}

/* 响应式 */
@media (max-width: 1200px) {
    .hero-content {
        gap: 60px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .features {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
    
    .pricing-plans {
        gap: 30px;
    }
    
    .plan-card {
        width: 350px;
    }
}

@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition);
        z-index: 1000;
        border-left: 1px solid rgba(0, 240, 255, 0.2);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .comparison-container {
        grid-template-columns: 1fr;
    }
    
    .architecture-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-plans {
        flex-direction: column;
        align-items: center;
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .product-container {
        flex-direction: column;
        align-items: center;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.8rem;
    }
    
    .section {
        padding: 100px 0;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .feature-card {
        padding: 40px 30px;
    }
    
    .comparison-card {
        padding: 40px 30px;
    }
    
    .architecture-card {
        padding: 40px 30px;
    }
    
    .plan-card {
        padding: 50px 30px;
        width: 100%;
        max-width: 350px;
    }
}

 /* 底部栏样式 */
 .footer {
    background: rgba(5, 5, 8, 0.95);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-left {
    padding-right: 40px;
}

.footer-logo {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo i {
    margin-right: 12px;
    font-size: 2.5rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-logo span {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-description {
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 500px;
}

.footer-contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--darker);
}

.contact-text h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--light);
}

.contact-text p {
    color: var(--gray);
    font-size: 0.95rem;
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.qr-section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--light);
    text-align: right;
}

.qr-section-title .gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.qr-container {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

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

.qr-code {
    width: 180px;
    height: 180px;
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.qr-code:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.qr-code-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    border-radius: 10px;
}

.qr-placeholder {
    text-align: center;
}

.qr-placeholder-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-placeholder-icon i {
    color: white;
    font-size: 1.8rem;
}

.qr-placeholder-text {
    font-weight: 600;
    color: #333;
}

.qr-label {
    font-size: 1rem;
    color: var(--light);
    font-weight: 500;
    margin-bottom: 5px;
}

.qr-description {
    font-size: 0.9rem;
    color: var(--gray);
}

.contact-cta {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 30px;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--light);
}

.contact-cta p {
    color: var(--gray);
    margin-bottom: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--darker);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 240, 255, 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: var(--gray);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
}

.record-info {
    color: var(--gray);
    font-size: 0.8rem;
    text-align: center;
    margin-top: 20px;
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .btn {
        padding: 14px 32px;
    }
    
    .partners-title {
        font-size: 2.2rem;
    }
    
    .partner-item {
        width: 200px;
        margin: 0 30px;
    }
    
    .container {
        padding: 0 20px;
    }
}