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

:root {
    --primary-color: #E2F87F;
    --primary-dark: #c5db6a;
    --primary-black: #1a1a1a;
    --secondary-gray: #3a3a3a;
    --light-gray: #6a6a6a;
    --lighter-gray: #9a9a9a;
    --bg-light: #f5f5f5;
    --bg-medium: #e8e8e8;
    --white: #ffffff;
    --accent-gray: #2a2a2a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    color: var(--primary-black);
    overflow-x: hidden;
}

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-black);
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(226, 248, 127, 0.3);
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-black);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--light-gray);
    margin-left: -0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--secondary-gray);
    font-size: 15px;
    transition: color 0.3s;
    font-weight: 500;
}

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

.trial-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--primary-black);
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(226, 248, 127, 0.4);
}

.trial-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(226, 248, 127, 0.6);
}

/* 主要内容区域 */
.hero-section {
    min-height: 100vh;
    padding-top: 120px;
    position: relative;
}

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.text-content {
    animation: fadeInLeft 1s ease-out;
}

.main-title {
    font-size: 72px;
    font-weight: 800;
    color: var(--primary-black);
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.sub-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--secondary-gray);
    margin-bottom: 1.5rem;
}

.description {
    font-size: 18px;
    color: var(--light-gray);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.cta-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--primary-black);
    padding: 12px 20px;
    border-radius: 30px;
    font-size: 14px;
    width: fit-content;
    box-shadow: 0 4px 15px rgba(226, 248, 127, 0.3);
}

.badge-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-black);
}

.scroll-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--light-gray);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.scroll-btn svg {
    width: 24px;
    height: 24px;
    color: var(--light-gray);
}

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

.scroll-btn:hover svg {
    color: var(--primary-black);
}

/* 插图区域 */
.illustration-area {
    position: relative;
    height: 600px;
    animation: fadeInRight 1s ease-out;
}

.floating-card {
    position: absolute;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 240, 240, 0.9) 100%);
    border-radius: 25px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 0;
    left: 10%;
    width: 200px;
    height: 180px;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    left: 0;
    width: 180px;
    height: 160px;
    transform: translateY(-50%);
    animation-delay: 0.5s;
}

.card-3 {
    top: 20%;
    right: 10%;
    width: 220px;
    height: 200px;
    background: linear-gradient(135deg, rgba(50, 50, 50, 0.9) 0%, rgba(30, 30, 30, 0.9) 100%);
    animation-delay: 1s;
}

.card-4 {
    bottom: 10%;
    right: 5%;
    width: 190px;
    height: 170px;
    animation-delay: 1.5s;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    margin-bottom: 1rem;
}

.icon-chart {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    position: relative;
}

.icon-chart::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    height: 25px;
    background: linear-gradient(to top, 
        transparent 0%, 
        transparent 20%, 
        rgba(0, 0, 0, 0.2) 20%, 
        rgba(0, 0, 0, 0.2) 40%,
        transparent 40%,
        transparent 50%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.2) 80%,
        transparent 80%
    );
}

.icon-dashboard {
    background: linear-gradient(135deg, #3a3a3a 0%, #1a1a1a 100%);
}

.icon-analytics {
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
}

.icon-settings {
    background: linear-gradient(135deg, #505050 0%, #303030 100%);
}

.card-lines {
    height: 50px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-lines::before,
.card-lines::after {
    content: '';
    height: 4px;
    background: linear-gradient(90deg, var(--light-gray) 0%, transparent 100%);
    border-radius: 2px;
}

.card-lines::after {
    width: 70%;
}

.service-tag {
    position: absolute;
    bottom: 5%;
    right: 20%;
    background: white;
    padding: 10px 18px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    font-size: 13px;
    color: var(--primary-black);
}

.service-icon {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 8px;
}

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

.connection-lines::before,
.connection-lines::after {
    content: '';
    position: absolute;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--lighter-gray) 50%, 
        transparent 100%
    );
    height: 2px;
}

.connection-lines::before {
    top: 30%;
    left: 20%;
    width: 150px;
    transform: rotate(-15deg);
    animation: pulse 2s ease-in-out infinite;
}

.connection-lines::after {
    top: 60%;
    right: 25%;
    width: 120px;
    transform: rotate(25deg);
    animation: pulse 2s ease-in-out infinite 1s;
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .illustration-area {
        height: 500px;
    }
    
    .main-title {
        font-size: 56px;
    }
    
    .sub-title {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .main-title {
        font-size: 42px;
    }
    
    .sub-title {
        font-size: 32px;
    }
    
    .illustration-area {
        height: 400px;
    }
    
    .floating-card {
        transform: scale(0.8);
    }
}