/* ============================================
   联系我们页面样式
   ============================================ */

/* 联系方式卡片 */
.contact-section {
    padding-top: var(--space-2xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.contact-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    text-align: center;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.contact-card:hover {
    border-color: var(--border-neon);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--neon-cyan-glow);
}

.contact-card:hover::before {
    opacity: 1;
}

.contact-card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    filter: drop-shadow(0 0 10px var(--neon-cyan-glow));
}

.contact-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.contact-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.contact-card-tag {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

.contact-card-email {
    background: rgba(0, 245, 255, 0.05);
    border: 1px solid var(--border-neon);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    margin-top: var(--space-sm);
}

.email-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contact-card-email a {
    font-size: 0.85rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 5px var(--neon-cyan-glow);
}

/* 表单 */
.form-wrap {
    max-width: 700px;
    margin: 0 auto;
}

.feedback-form {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.required {
    color: var(--neon-pink);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-body);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2300f5ff' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-submit {
    text-align: center;
    padding-top: var(--space-md);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* 响应承诺 */
.promise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.promise-item {
    text-align: center;
    padding: var(--space-lg);
}

.promise-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    filter: drop-shadow(0 0 8px var(--neon-cyan-glow));
}

.promise-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.promise-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 响应式 */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feedback-form {
        padding: var(--space-lg);
    }
}

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