/* ═══════════════════════════════════════════
   1.  HERO
   ═══════════════════════════════════════════ */
.clamp-hero {
    background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('/wp-content/uploads/2026/03/clamp-banner.jpg');
    background-size: cover;
    background-position: center;
    height: 400px; /* 或者根据需要调整高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    width: 100vw !important;
    max-width: 100vw !important;
    margin-left: calc(-50vw + 50%) !important;
}


/* ==========================================================================
   材料选择指南模块 (Material Selection Guide)
   ========================================================================== */

/* 容器基础设置 */
.material-guide-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 40px;
    font-family: inherit;
}

.material-guide-title {
    text-align: center;
    margin-bottom: 40px;
}

.material-guide-title h2 {
    font-size: 32px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.material-guide-title p {
    color: #666;
    font-size: 18px;
}

/* 卡片布局网格 */
.material-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

/* 单个卡片样式 */
.material-card {
    background: #ffffff;
    border: 1px solid #eee;
    padding: 35px 25px;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* 鼠标悬停效果：品牌色描边与阴影 */
.material-card:hover {
    border-color: #ff5a1f;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

/* 材料级别标题 (SS 304 / SS 316) */
.material-grade {
    font-size: 24px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.material-subtitle {
    color: #ff5a1f; 
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
    display: block;
}

/* 数据条目样式 */
.material-info-item {
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #eee;
}

.material-info-item:last-child {
    border-bottom: none;
}

.info-label {
    display: block;
    font-size: 12px;
    color: #999;
    text-transform: uppercase;
    margin-bottom: 4px;
    font-weight: 600;
}

.info-value {
    display: block;
    font-size: 16px;
    color: #333;
    font-weight: 600;
}

/* 价格标签 */
.price-tag {
    margin-top: auto;
    padding-top: 20px;
    font-size: 14px;
    font-weight: 700;
    color: #1a1a1a;
}

/* 手机端适配 */
@media (max-width: 768px) {
    .material-grid {
        grid-template-columns: 1fr;
    }
}