/* 首页内容样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(100px);
}

#container {
    font-family: Inter, Roboto, Helvetica Neue, Arial Nova, Nimbus Sans, Arial, sans-serif;
    min-height: 100vh;
    background-color: #ffffffe6;
}

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

.section-header h2 {
    font-size: 32px;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 700;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

.button {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: all .3s ease;
    cursor: pointer;
    border: none;
}

.button.primary {
    background: linear-gradient(83.21deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    box-shadow: 0 4px 14px #3245ff4d;
}

.button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px #3245ff66;
}

.button.primary.big {
    padding: 16px 32px;
    font-size: 18px;
}

.button.secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.button.secondary:hover {
    background-color: var(--primary);
    color: #fff;
}

main {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#hero {
    text-align: center;
    max-width: 800px;
    padding: 20px;
}

#hero img {
    margin-bottom: 40px;
}

#hero h1 {
    font-size: 48px;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 700;
}

#hero p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.5;
}

#hero .button {
    margin: 0 10px;
}

#advantages {
    padding: 100px 20px;
    background-color: var(--background-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-card {
    background-color: var(--background);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px #0000000d;
    transition: all .3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px #0000001a;
}

.advantage-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

#solutions {
    padding: 100px 20px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-card {
    background-color: var(--background);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all .3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px #0000001a;
}

.solution-card h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 600;
}

.solution-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

#process {
    padding: 100px 20px;
    background-color: var(--background-secondary);
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    text-align: center;
    max-width: 200px;
    padding: 20px;
}

.step-number {
    display: inline-flex;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(83.21deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.connector {
    height: 2px;
    background-color: var(--border);
    width: 50px;
    display: none;
}

#testimonials {
    padding: 100px 20px;
}

.testimonials-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial {
    background-color: var(--background);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px #0000000d;
    border: 1px solid var(--border);
}

.testimonial .quote {
    font-size: 18px;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 30px;
    position: relative;
    padding-left: 25px;
}

.testimonial .quote:before {
    content: '"';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 48px;
    color: var(--primary);
    opacity: .2;
}

.testimonial .author {
    display: flex;
    align-items: center;
}

.testimonial .avatar {
    font-size: 48px;
    margin-right: 15px;
}

.testimonial .info .name {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.testimonial .info .company {
    font-size: 14px;
    color: var(--text-secondary);
}

@media screen and (max-width: 1024px) {
    #hero h1 {
        font-size: 40px;
    }
}

@media screen and (max-width: 768px) {
    #hero h1 {
        font-size: 32px;
    }
    #hero p {
        font-size: 18px;
    }
    .section-header h2 {
        font-size: 28px;
    }
    .process-steps {
        flex-direction: column;
    }
    .connector {
        display: block;
        height: 50px;
        width: 2px;
    }
}

@media screen and (max-width: 480px) {
    #hero h1 {
        font-size: 28px;
    }
    #hero .button {
        display: block;
        margin: 10px 0;
        text-align: center;
    }
    .section-header h2 {
        font-size: 24px;
    }
    .advantage-card, .solution-card, .testimonial {
        padding: 20px;
    }
}