body {
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
    /* 添加顶部padding以避免被固定导航栏遮挡 */
    padding-top: 80px;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 98%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-cta {
    display: inline-block;
    background-color: var(--accent-gold);
    color: var(--primary-blue);
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image-placeholder {
    width: 100%;
    height: 350px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* 服务区域样式 */
.services {
    padding: 100px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    max-width: 98%;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--light-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    background-color: var(--primary-blue);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-blue);
}

.service-description {
    color: var(--light-text);
}

/* 数据统计区域 */
.stats {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 80px 0;
}

.stats-container {
    max-width: 98%;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-gold);
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/*  testimonials区域 */
.testimonials {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.testimonials-container {
    max-width: 98%;
    margin: 0 auto;
    padding: 0 20px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--dark-text);
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--light-bg);
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-weight: bold;
}

.author-info h4 {
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.author-info p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* CTA区域 */
.cta-section {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #e6c44b 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--primary-blue);
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.cta-button {
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.cta-button.primary {
    background-color: var(--primary-blue);
    color: var(--white);
}

.cta-button.secondary {
    background-color: var(--white);
    color: var(--primary-blue);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* 登录弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--white);
    margin: 10% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.close {
    color: var(--light-text);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--primary-blue);
}

.modal-header {
    margin-bottom: 20px;
}

.modal-header h2 {
    color: var(--primary-blue);
    margin: 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-text);
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.1);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.login-btn:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-2px);
}

.error-message {
    color: #e53e3e;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}