/* ==================== 联系我们页样式 ==================== */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #1a365d 0%, #1e5a9e 40%, #2c7be5 100%);
    color: var(--white);
    padding: 80px 0 36px;
    margin-top: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -15%;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    animation: pageHeaderFloat 12s ease-in-out infinite;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    animation: pageHeaderFloat 10s ease-in-out infinite reverse;
}

@keyframes pageHeaderFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -12px) scale(1.04); }
    66% { transform: translate(-12px, 8px) scale(0.96); }
}

.page-header h1 {
    font-size: 40px;
    margin-bottom: 14px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    animation: fadeInDown 0.8s ease;
}

.page-header p {
    font-size: 17px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 联系信息卡片 */
.contact-info-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.contact-card {
    background: var(--bg-light);
    padding: 35px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(30, 90, 158, 0.1), rgba(44, 123, 229, 0.1));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-card:hover .contact-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: scale(1.05) rotate(-3deg);
}

.contact-icon i {
    font-size: 30px;
    color: var(--primary-color);
    transition: var(--transition);
}

.contact-card:hover .contact-icon i {
    color: var(--white);
}

.contact-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.contact-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

/* 表单区域 */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

.form-info h2 {
    font-size: 30px;
    color: var(--text-dark);
    margin-bottom: 14px;
    font-weight: 700;
}

.form-info .lead {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 28px;
    line-height: 1.7;
}

.info-list {
    list-style: none;
    margin-bottom: 35px;
}

.info-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #e8ecf1;
    transition: var(--transition);
}

.info-list li:hover {
    padding-left: 6px;
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list li i {
    color: #22c55e;
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.info-list li span {
    font-size: 15px;
    color: var(--text-dark);
}

.social-contact h3 {
    font-size: 17px;
    color: var(--text-dark);
    margin-bottom: 16px;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 18px 16px;
    background: var(--bg-light);
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
    min-width: 100px;
    border: 2px solid transparent;
}

.social-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(30, 90, 158, 0.25);
}

.social-link i {
    font-size: 30px;
    color: var(--primary-color);
    transition: var(--transition);
}

.social-link:hover i {
    color: var(--white);
    transform: scale(1.1);
}

.social-link span {
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.social-link:hover span {
    color: var(--white);
}

/* 表单样式 */
.form-container {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 7px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: #f8fafc;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #cbd5e1;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(30, 90, 158, 0.08);
}

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

.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(30, 90, 158, 0.25);
    margin-top: 4px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(30, 90, 158, 0.35);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit i {
    font-size: 17px;
}

/* 地图区域 */
.map-section {
    height: 400px;
    position: relative;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a365d 0%, #1e5a9e 50%, #2c7be5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.map-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 25% 75%, rgba(255,255,255,0.05) 0%, transparent 40%),
        radial-gradient(circle at 75% 25%, rgba(255,255,255,0.05) 0%, transparent 40%);
}

/* 地图网格装饰 */
.map-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

.map-content {
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.map-content i {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.9;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.2));
}

.map-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
    font-weight: 700;
}

.map-content p {
    font-size: 16px;
    margin-bottom: 8px;
    opacity: 0.92;
}

.map-hint {
    font-size: 13px;
    opacity: 0.6;
    margin-top: 18px;
    font-style: italic;
}

/* FAQ区域 */
.faq-list {
    max-width: 880px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 14px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
}

.faq-item.active {
    box-shadow: var(--shadow-lg);
    border-color: rgba(30, 90, 158, 0.1);
}

.faq-question {
    padding: 22px 28px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    user-select: none;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-item.active .faq-question {
    background: rgba(30, 90, 158, 0.03);
}

.faq-question h3 {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
    flex: 1;
    padding-right: 20px;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 15px;
    font-size: 14px;
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer p {
    padding: 0 28px 22px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 32px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-info h2 {
        font-size: 26px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-container {
        padding: 28px 22px;
    }

    .social-links {
        flex-wrap: wrap;
    }

    .map-section {
        height: 350px;
    }

    .map-content i {
        font-size: 48px;
    }

    .map-content h3 {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .faq-question {
        padding: 18px 20px;
    }

    .faq-answer p {
        padding: 0 20px 18px;
    }
}