:root {
    --primary: rgb(130, 104, 217);
    --primary-light: rgba(130, 104, 217, 0.1);
    --accent: #F35B04;
    --text: #333;
    --text-light: #666;
    --bg: #f8f9fa;
    --card-bg: rgba(255, 255, 255, 0.9);
    --success: #4CAF50;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --glass: rgba(255, 255, 255, 0.25);
    --border-radius: 25px;
    --spacing: 1.5rem;
}

@font-face {
    font-family: 'Microsoft YaHei';
    src: local('Microsoft YaHei'), local('PingFang SC'), local('sans-serif');
}

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

body {
    /* font-family: 'HarmonyOS', sans-serif; */
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

section {
    padding: 0rem 0;
    position: relative;
}

h2 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--primary);
    text-align: center;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 1.25rem auto 0;
    border-radius: 2px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid var(--glass);
    opacity: 0;
    transform: translateY(30px);
}

.card.visible {
    opacity: 1;
    transform: translateY(0);
}

.process-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    counter-reset: step;
}

.process-step {
    position: relative;
    padding: 2rem 1.5rem;
    background: var(--primary-light);
    border-radius: var(--border-radius);
    text-align: center;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: transform 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
}

.process-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(130, 104, 217, 0.3);
}

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

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.advantage-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: var(--primary-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: rgba(130, 104, 217, 0.15);
}

.advantage-item::before {
    content: "✓";
    color: var(--success);
    font-size: 1.5rem;
    margin-right: 1rem;
    font-weight: bold;
}

.cta-container {
    text-align: center;
    margin-top: 1rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary), #9c7bff);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 15px rgba(130, 104, 217, 0.4);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
} 



.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(130, 104, 217, 0.5);
    background: #e31922;
    color: white;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255,255,255,0.2), rgba(255,255,255,0));
    opacity: 0;
    transition: opacity 0.3s;
}

.cta-button:hover::after {
    opacity: 1;
}

.help-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    position: relative;
}

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

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


/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    section {
        padding: 0rem 0;
    }

    h2 {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    .card {
        padding: 1.5rem;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .process-step {
        min-height: auto;
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 500px) {
    :root {
        --spacing: 1rem;
    }

    section {
        padding: 0rem 0;
    }

    h2 {
        font-size: 1.5rem;
    }
}