/* ========== 联系我们页面 ========== */
/* 页面横幅 */
.page-banner {
    height: 240px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-bottom: 1px solid var(--border-glow);
}

.banner-content h1 {
    font-family: "Orbitron", sans-serif;
    font-size: 42px;
    color: var(--text-light);
    text-shadow: 0 0 14px var(--neon-cyan), 2px 0 var(--neon-magenta), -2px 0 var(--neon-purple);
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.banner-content p {
    color: var(--text-dim);
    font-size: 15px;
}

.banner-content p a {
    color: var(--neon-cyan);
}

.banner-content p i {
    color: var(--neon-magenta);
    margin: 0 6px;
}

/* 联系信息卡片 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.contact-card {
    text-align: center;
    padding: 32px 18px;
    background: var(--bg-panel);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--neon-magenta);
    box-shadow: 0 0 24px rgba(255, 0, 170, 0.3);
    transform: translateY(-6px);
}

.contact-card > i {
    font-size: 38px;
    color: var(--neon-cyan);
    text-shadow: 0 0 14px var(--neon-cyan);
    margin-bottom: 14px;
}

.contact-card h3 {
    font-size: 17px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.contact-main {
    font-size: 20px;
    font-weight: 700;
    color: var(--neon-yellow);
    text-shadow: 0 0 8px rgba(255, 230, 0, 0.4);
    margin-bottom: 4px;
    word-break: break-all;
}

.contact-card p:last-child {
    color: var(--text-dim);
    font-size: 13px;
}

/* 表单与地图 */
.contact-main-section {
    background: rgba(18, 18, 31, 0.4);
}

.contact-layout {
    max-width: 760px;
    margin: 0 auto;
}

/* 表单 */
.contact-form {
    background: var(--bg-panel);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 6px;
    padding: 32px;
    box-shadow: 0 0 28px rgba(0, 240, 255, 0.12);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}

.form-item {
    margin-bottom: 4px;
}

.form-item.full {
    margin-bottom: 18px;
}

.form-item label {
    display: block;
    color: var(--neon-cyan);
    font-size: 14px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.form-item label i {
    margin-right: 4px;
}

.form-item input,
.form-item select,
.form-item textarea {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid rgba(0, 240, 255, 0.25);
    border-radius: 4px;
    color: var(--text-light);
    padding: 10px 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

.form-item input:focus,
.form-item select:focus,
.form-item textarea:focus {
    outline: none;
    border-color: var(--neon-magenta);
    box-shadow: 0 0 12px rgba(255, 0, 170, 0.35);
}

.form-item select option {
    background: var(--bg-dark);
}

.form-item textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
}

.submit-btn:hover {
    box-shadow: 0 0 26px rgba(255, 0, 170, 0.6);
    transform: translateY(-2px);
}

.form-tip {
    text-align: center;
    margin-top: 12px;
    font-size: 14px;
    min-height: 20px;
}

.form-tip.success {
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-cyan);
}

.form-tip.error {
    color: var(--neon-magenta);
    text-shadow: 0 0 8px var(--neon-magenta);
}

/* 响应式 */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-layout {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .page-banner {
        height: 180px;
    }
    .banner-content h1 {
        font-size: 30px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .contact-form {
        padding: 18px;
    }
}