/* ==========================================
   页面通用样式（关于/联系）
   ========================================== */

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 页面头部 */
.page-content {
    margin-top: 80px;
}

.page-hero {
    padding: 100px 0 60px;
    text-align: center;
    background-color: var(--light-gray);
}

.page-title {
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 6px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-subtitle {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--text-color);
}

/* 内容区块 */
.content-section {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.content-section:last-child {
    border-bottom: none;
    padding-bottom: 100px;
}

.content-section h2 {
    font-size: 32px;
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.content-section p {
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 300;
}

/* 价值观卡片 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.value-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.value-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.value-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-color);
    margin: 0;
}

/* 特性列表 */
.feature-list {
    list-style: none;
    margin-top: 30px;
}

.feature-list li {
    margin-bottom: 25px;
    padding-left: 30px;
    position: relative;
    line-height: 1.8;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--primary-color);
}

.feature-list strong {
    font-weight: 500;
    color: var(--primary-color);
}

/* 联系信息 */
.contact-info {
    margin: 30px 0;
    padding: 30px;
    background-color: var(--light-gray);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info i {
    font-size: 18px;
    color: var(--primary-color);
    width: 20px;
}

/* CTA区块 */
.cta-section {
    text-align: center;
    padding: 80px 0 100px !important;
}

.social-icons-large {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.social-icons-large a {
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 24px;
    color: var(--primary-color);
}

.social-icons-large a:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

/* ==========================================
   联系表单
   ========================================== */
.contact-form-section {
    padding: 60px 0;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid var(--border-color);
    background-color: var(--secondary-color);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

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

.submit-btn {
    width: 100%;
    padding: 18px 40px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: var(--hover-color);
}

.form-message {
    margin-top: 30px;
    padding: 20px;
    text-align: center;
    font-size: 16px;
    border-radius: 0;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 联系方式 */
.contact-methods {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 40px;
}

.contact-method {
    display: flex;
    gap: 30px;
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-method:hover {
    border-color: var(--primary-color);
}

.method-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border: 1px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.method-info h3 {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.method-info p {
    font-size: 16px;
    margin-bottom: 5px;
}

.method-desc {
    font-size: 14px !important;
    color: var(--hover-color) !important;
}

.social-icons-inline {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-icons-inline a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-color);
}

.social-icons-inline a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* FAQ区块 */
.faq-section {
    background-color: var(--light-gray);
    padding: 60px 40px !important;
    margin: 0 -40px;
}

.faq-list {
    margin-top: 40px;
}

.faq-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.faq-item p {
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
    color: var(--text-color);
}

/* 分类页面 */
.category-page {
    margin-top: 80px;
}

.category-header {
    padding: 100px 0 60px;
    text-align: center;
    background-color: var(--light-gray);
}

.category-title {
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 6px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.category-desc {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--text-color);
}

.category-page .container {
    padding: 80px 40px 100px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container-narrow {
        padding: 0 20px;
    }

    .page-hero {
        padding: 80px 0 40px;
    }

    .page-title,
    .category-title {
        font-size: 32px;
        letter-spacing: 3px;
    }

    .page-subtitle,
    .category-desc {
        font-size: 14px;
    }

    .content-section {
        padding: 40px 0;
    }

    .content-section h2 {
        font-size: 24px;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .value-card {
        padding: 30px 20px;
    }

    .social-icons-large {
        gap: 20px;
    }

    .social-icons-large a {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .contact-method {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .faq-section {
        padding: 40px 20px !important;
        margin: 0 -20px;
    }

    .category-page .container {
        padding: 60px 20px 80px;
    }
}

@media (max-width: 480px) {
    .page-title,
    .category-title {
        font-size: 26px;
    }

    .value-icon {
        font-size: 36px;
    }

    .method-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}