/* ============================================
   迅联互动地图官网 - 子页面样式
   产品详情 / 关于我们 / 联系我们 共用
   ============================================ */
.feature-block {
    margin-bottom: 64px;
}
.feature-img-placeholder {
    background: #dceaff;
    border-radius: 12px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}
.feature-img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    display: block;
}
.tip-card {
    background: #fff;
    padding: 24px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

/* 平台构成卡片网格（奇数张时最后一张通栏，避免留白） */
.tip-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    align-items: stretch;
}
.tip-grid .tip-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

/* 页面底部行动区（试用申请 / 电脑端登录） */
.cta-block {
    text-align: center;
    margin-top: 50px;
}
.cta-block p {
    margin-bottom: 12px;
}
.cta-block .btn {
    margin: 6px;
}
.cta-block .btn-lg {
    padding: 12px 30px;
}

/* ---------- 联系我们 ---------- */
.info-item {
    margin-bottom: 24px;
}
.info-item h4 {
    font-size: 17px;
    margin-bottom: 6px;
}
.info-item p {
    color: var(--gray);
}
.form-card {
    background: var(--light-gray);
    padding: 32px;
    border-radius: 12px;
}
.form-item {
    margin-bottom: 20px;
}
.form-item label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
.form-item input,
.form-item select,
.form-item textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 15px;
    background: #fff;
}
.form-item textarea {
    min-height: 120px;
    resize: vertical;
}

/* ---------- 联系表单提交状态 ---------- */
.form-status {
    min-height: 22px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.5;
}
.form-status.success {
    color: #16a34a;
}
.form-status.error {
    color: #dc2626;
}
#contact-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 768px) {
    .feature-img-placeholder {
        height: 220px;
    }
}