/* 页面标题区域 */
.page-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.8)), url('https://img2.baidu.com/it/u=1166098408,811706935&fm=253&fmt=auto&app=138&f=JPEG?w=760&h=475') center/cover;
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* 内容区块通用样式 */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--metal);
}

.section-title p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* 内容卡片样式 */
.content-card {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.content-card h3 {
    color: var(--fire);
    margin-bottom: 1rem;
    border-left: 4px solid var(--metal);
    padding-left: 1rem;
    font-size: 1.6rem;
}

.content-card h4 {
    color: var(--earth);
    margin: 1.5rem 0 0.8rem;
    font-size: 1.3rem;
}

.content-card p {
    margin-bottom: 1rem;
    text-align: justify;
    font-size: 1rem;
    line-height: 1.8;
}

.content-card ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.content-card li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

/* 联系信息布局 */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-info {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 1.8rem;
    color: var(--fire);
    margin-right: 1rem;
    min-width: 40px;
    text-align: center;
}

.contact-details h4 {
    margin-bottom: 0.3rem;
}

.contact-details p {
    margin-bottom: 0;
    color: #666;
}

/* 表单样式 */
.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--fire);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    width: fit-content;
}

.submit-btn:hover {
    background-color: #e63e00;
    transform: translateY(-2px);
}

/* 页脚样式 */
footer {
    background-color: var(--dark);
    color: white;
    padding: 2.5rem 0;
    text-align: center;
}

.social-links {
    margin: 1rem 0;
}

.social-links a {
    color: white;
    margin: 0 0.8rem;
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--metal);
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        align-items: center;
    }

    nav ul {
        flex-direction: column;
        padding: 1rem 0;
    }

    nav li {
        margin: 0.5rem 0;
        width: 100%;
        text-align: center;
    }

    nav a {
        display: block;
        padding: 0.8rem 1rem;
    }

    .login-btn {
        margin: 0.5rem auto;
        display: block;
        width: 200px;
        text-align: center;
    }

    .page-hero h1 {
        font-size: 2.2rem;
    }

    .page-hero {
        padding: 3rem 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }
}