/* 首页专用样式 */

/* Hero区域样式 */
.hero-section {
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    margin-top: -80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 120px 0;
    text-align: center;
    color: #fff;
}

.hero-content h1 {
    font-size: 3.2rem;
    margin-bottom: 25px;
    font-weight: 700;
    letter-spacing: -0.5px;
    animation: fadeInDown 0.8s ease;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 35px;
    opacity: 0.9;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.2s;
}

.cta-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.4s;
}

/* 核心优势部分 */
.core-advantages {
    padding: 100px 0;
    background: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: 2.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 50px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    padding: 20px 0;
}

.advantage-item {
    padding: 40px 30px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.advantage-features {
    list-style: none;
    margin-top: 20px;
    text-align: left;
    padding-left: 20px;
}

.advantage-features li {
    margin: 10px 0;
    position: relative;
    color: var(--dark-gray);
}

.advantage-features li::before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: -20px;
}

/* 解决方案部分 */
.solutions {
    padding: 100px 0;
    background: #fff;
}

.solutions h2 {
    text-align: center;
    font-size: 2.4rem;
    margin-bottom: 50px;
    color: var(--text-color);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    padding: 20px 0;
}

.solution-item {
    padding: 35px;
    background: var(--light-gray);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.solution-item:hover {
    transform: translateY(-8px);
}

.solution-item h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.solution-details {
    margin-top: 20px;
    padding-left: 20px;
}

/* 案例展示部分 */
.case-studies {
    padding: 100px 0;
    background: var(--light-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin: 50px 0;
}

.case-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.case-item:hover {
    transform: translateY(-10px);
}

.case-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-item h3 {
    padding: 20px;
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-color);
}

.case-item p {
    padding: 0 20px 20px;
    color: var(--dark-gray);
}

/* 快速咨询部分 */
.quick-contact {
    padding: 100px 0;
    background: #fff;
}

.contact-form {
    max-width: 600px;
    margin: 40px auto 0;
    padding: 40px;
    background: var(--light-gray);
    border-radius: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .advantages-grid,
    .solutions-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 20px;
    }
}