/* ===== ERP详情页 ===== */
.erp-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #0f2d6e 0%, #1a56db 50%, #3b82f6 100%);
    color: #fff; position: relative; overflow: hidden;
}
.erp-hero h1 { font-size: 40px; font-weight: 800; margin-bottom: 12px; }
.erp-hero p { font-size: 16px; opacity: 0.9; max-width: 600px; line-height: 1.8; }
.erp-hero .version-tag {
    display: inline-block; background: rgba(255,255,255,0.15); padding: 4px 14px;
    border-radius: 20px; font-size: 13px; margin-bottom: 16px;
}

.erp-section { padding: 60px 0; }
.erp-section:nth-child(even) { background: var(--bg-alt); }
.erp-section h2 { font-size: 28px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.erp-section .subtitle { font-size: 15px; color: var(--text-light); margin-bottom: 36px; }

.feature-detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px,1fr)); gap: 24px; }
.feature-detail-card {
    background: #fff; border-radius: var(--radius); padding: 28px;
    border: 1px solid var(--border); box-shadow: var(--shadow);
    transition: var(--transition);
}
.feature-detail-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.feature-detail-card .icon-wrap {
    width: 48px; height: 48px; border-radius: 10px;
    background: var(--primary-light); display: flex; align-items: center;
    justify-content: center; margin-bottom: 14px;
}
.feature-detail-card .icon-wrap svg { width: 24px; height: 24px; stroke: var(--primary); fill: none; stroke-width: 2; }
.feature-detail-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.feature-detail-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* 使用步骤 */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 24px; }
.step-card {
    background: #fff; border-radius: var(--radius); padding: 28px; text-align: center;
    border: 1px solid var(--border); position: relative;
}
.step-card .step-num {
    width: 40px; height: 40px; border-radius: 50%; background: var(--primary);
    color: #fff; font-size: 18px; font-weight: 700; display: inline-flex;
    align-items: center; justify-content: center; margin-bottom: 14px;
}
.step-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.step-card p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* 价格表 */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 24px; margin-top: 30px; }
.pricing-card {
    background: #fff; border-radius: var(--radius); padding: 32px;
    border: 1px solid var(--border); box-shadow: var(--shadow); text-align: center;
    transition: var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.pricing-card.featured { border-color: var(--primary); position: relative; }
.pricing-card.featured::before {
    content: '推荐'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff; font-size: 12px; padding: 2px 16px;
    border-radius: 10px; font-weight: 600;
}
.pricing-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.pricing-card .desc { font-size: 13px; color: var(--text-light); margin-bottom: 20px; }
.pricing-card .price { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
.pricing-card .price span { font-size: 16px; font-weight: 400; color: var(--text-light); }
.pricing-card .per { font-size: 13px; color: var(--text-light); margin-bottom: 20px; }
.pricing-card ul { text-align: left; list-style: none; padding: 0; margin-bottom: 20px; }
.pricing-card ul li { padding: 6px 0; font-size: 14px; color: var(--text); border-bottom: 1px dashed var(--border); }
.pricing-card ul li::before { content: '✓ '; color: var(--primary); font-weight: 700; }

/* 授权申请 */
.apply-box {
    background: #fff; border-radius: var(--radius); padding: 40px;
    border: 1px solid var(--border); box-shadow: var(--shadow);
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start;
}
.apply-box .qrcode-placeholder {
    width: 200px; height: 200px; background: var(--bg-alt);
    border: 2px dashed var(--border); border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 12px;
}
.apply-box .qrcode-placeholder span { font-size: 13px; color: var(--text-light); text-align: center; }
.apply-box .info-list { font-size: 14px; line-height: 2; }
.apply-box .info-list strong { color: var(--primary-dark); }

/* 下载区域 */
.download-box {
    background: #fff; border-radius: var(--radius); padding: 32px;
    border: 1px solid var(--border); box-shadow: var(--shadow); text-align: center;
}
.download-box .file-info { font-size: 13px; color: var(--text-light); margin: 8px 0 16px; }

@media (max-width: 768px) {
    .erp-hero h1 { font-size: 28px; }
    .apply-box { grid-template-columns: 1fr; }
    .feature-detail-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
}