/* 英雄区域 - 调整手机端上边距 */
.hero {
    padding: 140px 0 30px;
    margin-bottom: 40px;
    background: var(--hero-gradient);
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }
}

.hero::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 70%);
    top: 10%;
    right: 10%;
    border-radius: 50%;
}

.light-theme .hero::before,
.dark-theme .hero::before {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    color: white;
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.3rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.line {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.line-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.line-item i{ color: white; }
.line-item span { color: white; }

@media (max-width: 768px) {
    .hero p {
        font-size: 1.1rem;
    }
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-buttons a {
        width: 100%;
        text-align: center;
    }
}