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

body {
    font-family: 'Space Grotesk', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #f8fafc;
}

/* 动态背景 */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(135, 206, 235, 0.1));
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    top: 30%;
    right: 30%;
    animation-delay: 15s;
}

.shape-5 {
    width: 180px;
    height: 180px;
    bottom: 40%;
    right: 50%;
    animation-delay: 8s;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(74, 144, 226, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 144, 226, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 30s linear infinite;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(74, 144, 226, 0.6);
    border-radius: 50%;
    animation: particleFloat 15s infinite linear;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    z-index: 1000;
    padding: 0 20px;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(74, 144, 226, 0.1);
    border-bottom: 1px solid rgba(74, 144, 226, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.navbar.scrolled .logo-icon {
    background: linear-gradient(135deg, #006FFF, #0056CC);
    box-shadow: 0 4px 15px rgba(0, 111, 255, 0.3);
    border: none;
}

.logo-icon i {
    font-size: 24px;
    color: white;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.company-name {
    font-family: 'Orbitron', monospace;
    font-size: 20px;
    font-weight: 700;
    color: white;
    letter-spacing: 1px;
}

.navbar.scrolled .company-name {
    color: #2C3E50;
}

.company-type {
    font-family: 'Rajdhani', sans-serif;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 2px;
}

.navbar.scrolled .company-type {
    color: #006FFF;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-menu a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.95);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.navbar.scrolled .nav-menu a {
    color: #2C3E50;
}

.nav-menu a:hover {
    color: #4A90E2;
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #4A90E2, #87CEEB);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn-login, .btn-register {
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-login {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .btn-login {
    color: #4A90E2;
    border-color: rgba(74, 144, 226, 0.3);
    background: transparent;
}

.btn-register {
    background: rgba(255, 255, 255, 0.95);
    color: #006FFF;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .btn-register {
    background: linear-gradient(135deg, #006FFF, #0056CC);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 111, 255, 0.3);
}

.btn-login:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: #4A90E2;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #4A90E2;
    border-radius: 2px;
    transition: 0.3s;
}

.navbar.scrolled .nav-toggle span {
    background: #2C3E50;
}

/* 主要内容区域 */
.main-content {
    margin-top: 80px;
}

/* 英雄区域样式 */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #E6F3FF 0%, #CCE7FF 25%, #99D6FF 50%, #006FFF 75%, #0056CC 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(74, 144, 226, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(135, 206, 235, 0.1) 0%, transparent 50%);
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 40px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: #2C3E50;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #FF6B35, #FF8E53);
    padding: 12px 24px;
    border-radius: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    position: relative;
    overflow: hidden;
}

.hero-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.badge-text {
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    color: white;
    font-weight: 700;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.title-main {
    font-family: 'Orbitron', monospace;
    color: #2C3E50;
    text-shadow: 0 4px 8px rgba(44, 62, 80, 0.1);
    font-weight: 900;
    letter-spacing: 2px;
}

.title-sub {
    font-family: 'Rajdhani', sans-serif;
    color: #4A90E2;
    font-weight: 700;
    font-size: 2.5rem;
    letter-spacing: 1px;
}

.hero-description {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: #5A6C7D;
    font-weight: 500;
    line-height: 1.6;
}

.highlight-text {
    color: #4A90E2;
    font-weight: 600;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 25px;
    border: 2px solid rgba(74, 144, 226, 0.2);
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.2);
    border-color: #4A90E2;
}

.feature-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #4A90E2, #87CEEB);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    color: white;
    font-size: 16px;
}

.feature-item span {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    color: #2C3E50;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.6);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.9);
    color: #4A90E2;
    border: 2px solid rgba(74, 144, 226, 0.3);
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.1);
}

.btn-outline:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: #4A90E2;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.2);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 20px;
}

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

.stat-number {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    color: #2C3E50;
    display: block;
    line-height: 1;
}

.stat-label {
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    color: #5A6C7D;
    font-weight: 600;
    margin-top: 5px;
    letter-spacing: 1px;
}

/* 英雄区域视觉效果 */
.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-container {
    position: relative;
    width: 500px;
    height: 500px;
}

.tech-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 20px;
    padding: 40px;
}

.grid-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.15);
    border: 2px solid rgba(74, 144, 226, 0.1);
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: gridItemAppear 0.8s ease forwards;
}

.grid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.25);
    border-color: #4A90E2;
}

@keyframes gridItemAppear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.grid-item i {
    font-size: 28px;
    color: #4A90E2;
    margin-bottom: 5px;
}

.grid-item span {
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #2C3E50;
    text-align: center;
}

.central-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    z-index: 10;
}

.logo-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.logo-ring::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: #4A90E2;
    border-radius: 50%;
    box-shadow: 0 0 20px #4A90E2;
}

.logo-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4);
}

.logo-core i {
    font-size: 36px;
    color: white;
}

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

/* 产品展示区域 */
.products-section {
    padding: 100px 40px;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.8) 0%, rgba(255, 255, 255, 0.9) 100%);
    position: relative;
}

.products-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(74, 144, 226, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(135, 206, 235, 0.05) 0%, transparent 50%);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    color: #2C3E50;
    margin-bottom: 20px;
    font-weight: 900;
    letter-spacing: 2px;
}

.section-subtitle {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    color: #5A6C7D;
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.product-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid rgba(74, 144, 226, 0.1);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.1);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.05), transparent);
    transition: left 0.6s;
}

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

.product-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.2);
    border-color: #4A90E2;
}

.product-image {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #4A90E2, #87CEEB);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
    transition: all 0.3s ease;
}

.product-card:hover .product-image {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.4);
}

.product-image i {
    font-size: 40px;
    color: white;
}

.product-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #2C3E50;
    font-weight: 700;
}

.product-card p {
    font-family: 'Space Grotesk', sans-serif;
    color: #5A6C7D;
    margin-bottom: 25px;
    line-height: 1.6;
    font-weight: 500;
}

.products-more {
    text-align: center;
    margin-top: 60px;
}

.btn-outline-large {
    padding: 18px 40px;
    font-size: 18px;
    background: rgba(255, 255, 255, 0.9);
    color: #4A90E2;
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 35px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.1);
}

.btn-outline-large:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: #4A90E2;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.2);
}

/* 试用区域 */
.trial-section {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 50%, #2E5F8A 100%);
    padding: 60px 20px;
    color: white;
}

.trial-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.trial-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.trial-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.trial-icon i {
    font-size: 24px;
    color: #FFE066;
}

.trial-text h3 {
    font-size: 20px;
    margin-bottom: 5px;
}

.trial-text p {
    opacity: 0.8;
    font-size: 14px;
}

.trial-form {
    display: flex;
    gap: 15px;
    align-items: center;
}

.form-input {
    padding: 12px 20px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    width: 150px;
    outline: none;
}

.btn-trial {
    background: #FFE066;
    color: #2C3E50;
    padding: 12px 25px;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-trial:hover {
    background: #FFB84D;
    transform: translateY(-2px);
}

/* 悬浮按钮 */
.floating-buttons {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-btn {
    width: 60px;
    height: 60px;
    background: #4A90E2;
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.4);
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.6);
}

.float-btn i {
    font-size: 18px;
    margin-bottom: 2px;
}

.float-btn span {
    font-size: 10px;
}

/* 动画效果 */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .trial-container {
        flex-direction: column;
        text-align: center;
    }
    
    .trial-form {
        flex-direction: column;
        width: 100%;
    }
    
    .form-input {
        width: 100%;
    }
    
    .floating-buttons {
        right: 10px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}
/* 技术优势区域 */
.advantages-section {
    padding: 100px 40px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.8) 100%);
    position: relative;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(74, 144, 226, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(135, 206, 235, 0.05) 0%, transparent 50%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid rgba(74, 144, 226, 0.1);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.1);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.05), transparent);
    transition: left 0.6s;
}

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

.advantage-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.2);
    border-color: #4A90E2;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4A90E2, #87CEEB);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(74, 144, 226, 0.4);
}

.advantage-icon i {
    font-size: 36px;
    color: white;
}

.advantage-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: #2C3E50;
    font-weight: 700;
}

.advantage-card p {
    font-family: 'Space Grotesk', sans-serif;
    color: #5A6C7D;
    margin-bottom: 20px;
    line-height: 1.6;
    font-weight: 500;
}

.advantage-features {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.advantage-features span {
    background: rgba(74, 144, 226, 0.1);
    color: #4A90E2;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    border: 1px solid rgba(74, 144, 226, 0.2);
}

/* 解决方案区域 */
.solutions-section {
    padding: 100px 40px;
    background: linear-gradient(135deg, #f8fafc 0%, rgba(74, 144, 226, 0.05) 100%);
    position: relative;
}

.solutions-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 15px 30px;
    border: 2px solid rgba(74, 144, 226, 0.3);
    background: rgba(255, 255, 255, 0.9);
    color: #4A90E2;
    border-radius: 30px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
    border-color: #4A90E2;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

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

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

.solution-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid rgba(74, 144, 226, 0.1);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.1);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(74, 144, 226, 0.2);
    border-color: #4A90E2;
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4A90E2, #87CEEB);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.3);
}

.solution-icon i {
    font-size: 24px;
    color: white;
}

.solution-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #2C3E50;
    font-weight: 700;
}

.solution-card p {
    font-family: 'Space Grotesk', sans-serif;
    color: #5A6C7D;
    font-size: 14px;
    line-height: 1.5;
}

/* 试用区域 */
.trial-section {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 50%, #2E5F8A 100%);
    padding: 80px 40px;
    color: white;
    position: relative;
    overflow: hidden;
}

.trial-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.trial-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.trial-content {
    display: flex;
    align-items: center;
    gap: 25px;
    flex: 1;
}

.trial-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.trial-icon i {
    font-size: 32px;
    color: #FFE066;
}

.trial-text h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.trial-text p {
    font-family: 'Space Grotesk', sans-serif;
    opacity: 0.9;
    font-size: 16px;
    font-weight: 500;
}

.trial-form {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.form-input {
    padding: 15px 25px;
    border: none;
    border-radius: 30px;
    font-size: 14px;
    font-family: 'Space Grotesk', sans-serif;
    width: 180px;
    outline: none;
    background: rgba(255, 255, 255, 0.95);
    color: #2C3E50;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.form-input:focus {
    background: white;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.form-input::placeholder {
    color: #999;
}

.btn-trial {
    background: linear-gradient(135deg, #FFE066, #FFB84D);
    color: #2C3E50;
    padding: 15px 30px;
    border: none;
    border-radius: 30px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 224, 102, 0.4);
}

.btn-trial:hover {
    background: linear-gradient(135deg, #FFB84D, #FF9500);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 224, 102, 0.6);
}

/* 悬浮按钮 */
.floating-buttons {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.float-btn {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.float-btn:hover {
    transform: scale(1.15);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.6);
    background: linear-gradient(135deg, #357ABD, #2E5F8A);
}

.float-btn i {
    font-size: 20px;
    margin-bottom: 3px;
}

.float-btn span {
    font-size: 9px;
    line-height: 1;
}

.scroll-top {
    background: linear-gradient(135deg, #FF6B35, #FF8E53);
}

.scroll-top:hover {
    background: linear-gradient(135deg, #FF8E53, #FFB84D);
}

/* 动画效果 */
@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    25% { 
        transform: translateY(-20px) rotate(2deg); 
    }
    50% { 
        transform: translateY(-10px) rotate(-1deg); 
    }
    75% { 
        transform: translateY(-15px) rotate(1deg); 
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-container {
        max-width: 1000px;
        gap: 60px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-container {
        max-width: 1000px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        padding: 100px 20px 60px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .title-sub {
        font-size: 2rem;
    }
    
    .hero-features {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .trial-container {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .trial-form {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }
    
    .form-input {
        width: 100%;
        max-width: 300px;
    }
    
    .floating-buttons {
        right: 15px;
        gap: 10px;
    }
    
    .float-btn {
        width: 55px;
        height: 55px;
    }
    
    .products-grid,
    .advantages-grid,
    .solution-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .tab-nav {
        gap: 10px;
    }
    
    .tab-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .visual-container {
        width: 350px;
        height: 350px;
    }
    
    .tech-grid {
        padding: 20px;
        gap: 15px;
    }
    
    .grid-item {
        padding: 15px;
    }
    
    .grid-item i {
        font-size: 20px;
    }
    
    .grid-item span {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .title-sub {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-container,
    .section-container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .product-card,
    .advantage-card,
    .solution-card {
        padding: 25px 20px;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .visual-container {
        width: 280px;
        height: 280px;
    }
    
    .central-logo {
        width: 80px;
        height: 80px;
    }
    
    .logo-core {
        width: 60px;
        height: 60px;
    }
    
    .logo-core i {
        font-size: 24px;
    }
}

/* 底部固定横幅 */
.demo-banner {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    padding: 16px 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    overflow: hidden;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

body {
    padding-bottom: 90px;
}

.demo-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.demo-banner-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    position: relative;
    z-index: 1;
}

.demo-banner-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.demo-banner-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.demo-banner-icon i {
    font-size: 28px;
    color: #fff;
}

.demo-banner-text h4 {
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.demo-banner-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.demo-banner-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.demo-banner-input {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 0 15px;
    height: 44px;
    gap: 10px;
}

.demo-banner-input i {
    color: #94a3b8;
    font-size: 14px;
}

.demo-banner-input input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    width: 140px;
    color: #334155;
}

.demo-banner-input input::placeholder {
    color: #94a3b8;
}

.demo-banner-btn {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    border: none;
    padding: 0 28px;
    height: 44px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.demo-banner-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

@media (max-width: 900px) {
    .demo-banner-container {
        flex-direction: column;
        text-align: center;
    }
    
    .demo-banner-left {
        flex-direction: column;
    }
    
    .demo-banner-right {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .demo-banner-input input {
        width: 120px;
    }
}