/* QT MAT 品牌统一排版系统 */
.qt-news-body {
    max-width: 1180px;
    margin: 0 auto;
    font-family: Arial, Helvetica, sans-serif;
    color: #334155;
    line-height: 1.8;
    background-color: #ffffff;
    padding: 32px 28px;
    border-radius: 28px;
    box-sizing: border-box;
}

.qt-news-body * {
    box-sizing: border-box;
}

/* 标题规范：经典 25px + 品牌蓝 4px 边条 */
.qt-news-body h2 {
    font-size: 25px;
    font-weight: 700;
    color: #0f172a;
    border-left: 4px solid #007BFF;
    padding-left: 14px;
    margin-top: 42px;
    margin-bottom: 20px;
    line-height: 1.35;
}

.qt-news-body p {
    font-size: 16px;
    color: #334155;
    margin-bottom: 16px;
    line-height: 1.8;
}

.qt-news-body strong {
    color: #0f172a;
}

.qt-news-body a {
    color: #007BFF;
    text-decoration: none;
}
.qt-news-body a:hover {
    text-decoration: underline;
}

/* 4 步报价要素卡片网格 */
.quote-steps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin: 28px 0 36px 0;
}

.quote-step-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 22px;
    position: relative;
    transition: all 0.2s ease;
}

.quote-step-item:hover {
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.step-badge {
    display: inline-block;
    background: #007BFF;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.step-title {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 6px;
}

.step-desc {
    font-size: 14.5px;
    color: #64748b;
    line-height: 1.6;
}

/* 选型推荐卡片网格 */
.selection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 28px 0;
}

.selection-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    border-top: 3px solid #007BFF;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.selection-card h4 {
    font-size: 16.5px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px 0;
}

.selection-card p {
    font-size: 14px;
    color: #475569;
    margin-bottom: 0;
    line-height: 1.6;
}

/* 核心观点高亮框 */
.qt-highlight-card {
    background: #f1f7ff;
    border: 1px solid #d0e4ff;
    border-radius: 16px;
    padding: 20px 24px;
    margin: 28px 0;
    color: #1e3a8a;
    font-size: 15.5px;
    line-height: 1.7;
}

/* 拳台与装备配套双列卡片 */
.equipment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin: 24px 0 32px 0;
}

.equipment-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
}

.equipment-title {
    font-size: 16.5px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
}

.equipment-desc {
    font-size: 14.5px;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* --- 新增：图片排版控制系统 --- */
/* 1. 左侧浮动/侧边图（用于图纸、设计稿） */
.qt-float-photo {
    float: left;
    width: 32%;
    max-width: 330px;
    margin-top: 6px;
    margin-right: 26px;
    margin-bottom: 20px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    border: 1px solid #f1f5f9;
    display: block;
}

/* 2. 通栏/居中大图容器 */
.qt-center-photo-box {
    margin: 24px 0 32px 0;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    background-color: #f8fafc;
    border: 1px solid #f1f5f9;
}

.qt-center-photo-box img {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    display: block;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 底部 CTA 转化卡片 */
.qt-cta-box {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    border-radius: 22px;
    padding: 38px 24px;
    text-align: center;
    margin-top: 48px;
}

.qt-cta-box h3 {
    font-size: 23px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 12px 0;
}

.qt-cta-box p {
    font-size: 15.5px;
    color: #64748b;
    max-width: 680px;
    margin: 0 auto 26px auto;
    line-height: 1.65;
}

.qt-btn-group {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.qt-btn-primary {
    display: inline-block;
    background: #007BFF;
    color: #ffffff !important;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none !important;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.25);
    transition: all 0.2s ease;
}

.qt-btn-primary:hover {
    background: #0069d9;
    transform: translateY(-2px);
}

.qt-btn-secondary {
    display: inline-block;
    background: #ffffff;
    color: #007BFF !important;
    border: 1.5px solid #007BFF;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.qt-btn-secondary:hover {
    background: #f1f7ff;
    transform: translateY(-2px);
}

/* 移动端自适应 */
@media (max-width: 768px) {
    .qt-news-body {
        padding: 20px 16px;
        border-radius: 16px;
    }
    .quote-steps-grid,
    .selection-grid,
    .equipment-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .qt-float-photo {
        float: none;
        width: 100%;
        max-width: 100%;
        margin-right: 0;
        margin-bottom: 18px;
    }
    .qt-center-photo-box {
        border-radius: 14px;
        margin: 18px 0 24px 0;
    }
    .qt-news-body h2 {
        font-size: 21px;
        margin-top: 32px;
    }
    .qt-btn-primary, .qt-btn-secondary {
        width: 100%;
        text-align: center;
    }
}