/* ===== SEO搜索优化页面样式 ===== */

/* --- 1. Hero 区域 --- */
.seo-hero { padding: 80px 0 60px; background: #fafbfc; }
.seo-hero-content { display: flex; justify-content: space-between; align-items: center; gap: 50px; }
.seo-hero-text { flex: 1; max-width: 500px; }

.seo-hero-badge { display: inline-block; background: #eeebff; padding: 6px 18px; border-radius: 20px; font-size: 13px; color: #2b1ee0; margin-bottom: 20px; font-weight: 500; }
.seo-hero-title { font-size: 38px; line-height: 1.2; margin-bottom: 20px; font-weight: 700; color: #111; }
.seo-hero-desc { color: #666; margin-bottom: 30px; font-size: 15px; line-height: 1.8; }
.seo-hero-actions { display: flex; gap: 16px; }

/* Hero 右侧图片 */
.seo-hero-graphic-wrap {
    flex: 1.3;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 320px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
    border: 1px solid #f0f0f0;
}
.seo-hero-graphic-wrap img { width: 100%; height: 100%; object-fit: cover; }

/* UI 模拟标签 */
.seo-ui-overlay {
    position: absolute; top: 20px; left: 20px; background: #fff; padding: 10px 16px; border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04); border: 1px solid #eee; font-size: 12px; color: #333; font-weight: 500;
}
.seo-ui-overlay span { color: #2b1ee0; }

/* 悬浮数据卡片 */
.seo-stat-badge {
    position: absolute;
    left: 20px; bottom: -20px;
    background: #fff; padding: 12px 20px; border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    border: 1px solid #f0f0f0;
    display: flex; align-items: center; gap: 12px;
}
.seo-stat-badge .seo-icon-circle { width: 32px; height: 32px; background: #f4f0ff; color: #2b1ee0; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.seo-stat-badge .seo-icon-circle img { width: 18px; height: 18px; }
.seo-stat-badge .info strong { font-size: 16px; color: #2b1ee0; display: block; }
.seo-stat-badge .info span { font-size: 12px; color: #666; }

/* --- 2. 核心业务优势 --- */
.seo-core-adv { padding: 80px 0; background: #fff; text-align: center; }
.seo-core-adv h2 { font-size: 28px; font-weight: 700; margin-bottom: 10px; }
.seo-core-adv > .container > p { color: #888; font-size: 14px; margin-bottom: 50px; }

.seo-ca-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }

.seo-ca-left { background: #f8f7ff; border-radius: 16px; padding: 30px 24px; border: 1px solid #f0eeff; text-align: left; display: flex; flex-direction: column; }
.seo-ca-left .seo-icon-box { width: 48px; height: 48px; background: #fff; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 15px; border: 1px solid #eee; }
.seo-ca-left .seo-icon-box img { width: 24px; height: 24px; }
.seo-ca-left h4 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.seo-ca-left p { font-size: 14px; color: #888; line-height: 1.5; }

.seo-ca-right { background: #2b1ee0; border-radius: 16px; padding: 30px 24px; color: #fff; text-align: left; }
.seo-ca-right .seo-icon-box { width: 48px; height: 48px; background: rgba(255,255,255,0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 15px; }
.seo-ca-right .seo-icon-box img { width: 24px; height: 24px; }
.seo-ca-right h4 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: #fff; }
.seo-ca-right p { font-size: 14px; color: #d4d0ff; line-height: 1.6; margin-bottom: 20px; }

.seo-ca-stats { display: flex; justify-content: flex-end; gap: 30px; text-align: right; }
.seo-ca-stat-item { display: flex; flex-direction: column; }
.seo-ca-stat-item .num { font-weight: 800; font-size: 18px; }
.seo-ca-stat-item .num.green { color: #34d399; }
.seo-ca-stat-item .num.red { color: #f87171; }
.seo-ca-stat-item .lbl { font-size: 12px; opacity: 0.8; margin-top: 2px; }

/* --- 3. 服务标准化流程 --- */
.seo-process-std { padding: 80px 0; background: #fafbfc; text-align: center; }
.seo-process-std h2 { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.seo-process-std > .container > p { color: #888; font-size: 14px; margin-bottom: 50px; }

.seo-ps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; position: relative; }
.seo-ps-grid::before {
    content: ''; position: absolute; top: 30px; left: 10%; width: 80%; height: 2px;
    background: transparent; z-index: 0; border-top: 2px dashed #d0d0d0;
}
.seo-ps-item { background: #f8f7ff; border-radius: 12px; padding: 30px 20px; position: relative; z-index: 1; transition: 0.2s; }
.seo-ps-item:hover { transform: translateY(-4px); box-shadow: 0 4px 15px rgba(0,0,0,0.03); }
.seo-ps-icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: #fff; border: 1px solid #e0e0e0; border-radius: 50%; margin-bottom: 12px; }
.seo-ps-icon img { width: 20px; height: 20px; }
.seo-ps-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.seo-ps-item p { font-size: 13px; color: #888; line-height: 1.4; }

/* --- 4. 自研数据驱动技术栈 --- */
.seo-tech-data { padding: 80px 0; background: #fafbfc; }
.seo-tech-data .container { display: flex; gap: 40px; align-items: center; }
.seo-tech-data-text { flex: 1; }
.seo-tech-data-text h2 { font-size: 28px; font-weight: 700; margin-bottom: 10px; }
.seo-tech-data-text > p { color: #888; font-size: 14px; margin-bottom: 30px; }

.seo-td-list { display: flex; flex-direction: column; gap: 15px; }
.seo-td-item { background: #fff; border-radius: 12px; padding: 20px 24px; border: 1px solid #f0f0f0; display: flex; flex-direction: column; transition: 0.2s; }
.seo-td-item:hover { box-shadow: 0 4px 15px rgba(0,0,0,0.03); }
.seo-td-item-header { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.seo-td-item-header .seo-td-icon { width: 20px; height: 20px; }
.seo-td-item-header .seo-td-tag { background: #2b1ee0; color: #fff; padding: 2px 10px; border-radius: 12px; font-size: 12px; font-weight: 500; }
.seo-td-item p { font-size: 13px; color: #888; line-height: 1.5; }

/* 右侧监控节点UI */
.seo-monitor-panel {
    flex: 1.3;
    background: #fafbfc;
    border-radius: 16px;
    padding: 0;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.seo-monitor-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    display: block;
}

/* --- 5. FAQ --- */
.seo-faq-final { padding: 80px 0; background: #fafbfc; text-align: center; }
.seo-faq-final h2 { font-size: 28px; font-weight: 700; margin-bottom: 10px; }
.seo-faq-final > .container > p { color: #888; font-size: 14px; margin-bottom: 40px; }

.seo-faq-list { max-width: 900px; margin: 0 auto; text-align: left; display: flex; flex-direction: column; gap: 16px; }
.seo-faq-item { background: #fff; border-radius: 12px; padding: 20px 24px; cursor: pointer; border: 1px solid #eee; transition: all 0.3s; box-shadow: 0 2px 6px rgba(0,0,0,0.02); }
.seo-faq-item:hover { border-color: #d0d0d0; }
.seo-faq-question { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; font-weight: 600; font-size: 15px; color: #1a1a1a; line-height: 1.4; }
.seo-faq-icon { color: #ccc; font-size: 16px; transition: transform 0.3s; font-weight: 300; flex-shrink: 0; margin-top: 2px; }
.seo-faq-answer { margin-top: 15px; font-size: 14px; color: #666; display: none; padding-top: 15px; border-top: 1px solid #f0f0f0; line-height: 1.7; }
.seo-faq-item.active .seo-faq-answer { display: block; }
.seo-faq-item.active .seo-faq-icon { transform: rotate(45deg); }

/* --- 6. CTA 区域 --- */
.seo-cta-section { background: #2b1ee0; margin: 0 20px 60px; border-radius: 24px; padding: 60px 40px; text-align: center; color: #fff; }
.seo-cta-section h2 { font-size: 32px; font-weight: 700; margin-bottom: 10px; }
.seo-cta-section p { opacity: 0.8; font-size: 15px; margin-bottom: 30px; }
.seo-cta-section .btn { padding: 14px 40px; font-size: 15px; border-radius: 30px; }
.seo-cta-section .btn-primary { background: #fff; color: #2b1ee0; }
.seo-cta-section .btn-primary:hover { background: #f5f5f5; }

/* --- 响应式适配 --- */
@media (max-width: 992px) {
    .seo-hero-content, .seo-ca-grid, .seo-tech-data .container { flex-direction: column; }
    .seo-hero-graphic-wrap { width: 100%; height: 220px; }
    .seo-ca-stats { justify-content: flex-start; }
    .seo-ps-grid { grid-template-columns: 1fr 1fr; }
    .seo-ps-grid::before { display: none; }
}

@media (max-width: 768px) {
    .seo-hero { padding: 40px 0 30px; }
    .seo-hero-title { font-size: 24px; }
    .seo-hero-desc { font-size: 13px; line-height: 1.7; }
    .seo-hero-graphic-wrap { height: 160px; }
    .seo-hero-actions { flex-direction: column; gap: 10px; }
    .seo-hero-actions .btn { width: 100%; text-align: center; }
    .seo-stat-badge { left: 12px; bottom: -15px; padding: 10px 16px; }

    .seo-core-adv { padding: 40px 0; }
    .seo-core-adv h2 { font-size: 21px; }
    .seo-ca-grid { grid-template-columns: 1fr; gap: 16px; }
    .seo-ca-left { padding: 22px 18px; }
    .seo-ca-left h4 { font-size: 16px; }
    .seo-ca-left p { font-size: 13px; }
    .seo-ca-right { padding: 22px 18px; }
    .seo-ca-right h4 { font-size: 16px; }
    .seo-ca-right p { font-size: 13px; }
    .seo-ca-stats { gap: 20px; }
    .seo-ca-stat-item .num { font-size: 16px; }

    .seo-process-std { padding: 40px 0; }
    .seo-process-std h2 { font-size: 21px; }
    .seo-ps-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .seo-ps-item { padding: 22px 14px; }
    .seo-ps-item h4 { font-size: 15px; }
    .seo-ps-item p { font-size: 12px; }

    .seo-tech-data { padding: 40px 0; }
    .seo-tech-data-text h2 { font-size: 21px; }
    .seo-tech-data-text > p { font-size: 13px; }
    .seo-td-item { padding: 16px 18px; }
    .seo-td-item-header { font-size: 14px; }
    .seo-td-item p { font-size: 12px; }
    .seo-monitor-panel { min-height: 200px; }

    .seo-faq-final { padding: 40px 0; }
    .seo-faq-final h2 { font-size: 21px; }
    .seo-faq-item { padding: 16px 18px; }
    .seo-faq-question { font-size: 14px; }
    .seo-faq-answer { font-size: 13px; }

    .seo-cta-section { margin: 0 12px 36px; padding: 36px 18px; }
    .seo-cta-section h2 { font-size: 22px; }
    .seo-cta-section p { font-size: 13px; }
    .seo-cta-section .btn { padding: 12px 28px; font-size: 14px; }
}

@media (max-width: 480px) {
    .seo-hero-title { font-size: 22px; }
    .seo-ps-grid { grid-template-columns: 1fr; }
    .seo-cta-section h2 { font-size: 20px; }
}