/* 智获客产品栏目，与官网共用色彩与字体。 */
.zhk-eyebrow { color: var(--primary-dark); font-size: 13px; font-weight: 600; letter-spacing: 1.2px; margin-bottom: 16px; }
.zhk-section .section-title h2 { text-wrap: balance; }
.zhk-hero { padding: 144px 0 80px; background: radial-gradient(ellipse at 90% 10%, #c7e9ff 0, transparent 56%), linear-gradient(135deg, #f0f9ff, #edf5ff 70%, #f5f7ff); }
.zhk-hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 72px; }
.zhk-hero h1 { font-size: clamp(42px, 5vw, 62px); line-height: 1.22; color: #12385b; letter-spacing: -1px; }
.zhk-hero h1 > span { display: block; font-size: clamp(21px, 2.5vw, 29px); line-height: 1.55; font-weight: 500; letter-spacing: 0; margin-top: 18px; }
.zhk-hero-description { margin-top: 24px; font-size: 16px; line-height: 1.95; color: var(--text-secondary); max-width: 580px; }
.zhk-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.zhk-actions .btn { gap: 12px; }
.zhk-hero-note { margin-top: 18px; color: var(--text-secondary); font-size: 13px; }
.zhk-product-panel { background: rgba(255, 255, 255, .9); padding: 28px; border: 1px solid #fff; border-radius: 24px; box-shadow: 0 24px 64px rgba(22, 88, 146, .12); }
.zhk-panel-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.zhk-app-mark { display: grid; place-items: center; flex: 0 0 52px; height: 52px; border-radius: 15px; color: #fff; font-size: 27px; font-weight: 700; background: linear-gradient(140deg, #038bd4, #2469c8); }
.zhk-panel-heading strong { font-size: 22px; color: #12385b; }
.zhk-panel-heading div > span { display: block; color: var(--text-secondary); font-size: 12px; margin-top: 2px; }
.zhk-panel-label { margin-left: auto; font-size: 11px; color: var(--primary-dark); background: #edf6ff; border: 1px solid #d2e8fa; padding: 3px 8px; border-radius: 6px; letter-spacing: 1px; }
.zhk-panel-row { display: flex; align-items: center; gap: 14px; background: #f5f9fd; border: 1px solid #e1ebf5; border-radius: 14px; padding: 18px; margin-top: 12px; color: var(--text); transition: border-color .2s, transform .2s; }
.zhk-panel-row:hover { transform: translateX(3px); border-color: var(--zhk-accent); }
.zhk-panel-row strong { display: block; font-size: 17px; }
.zhk-panel-row small { display: block; color: var(--text-secondary); font-size: 12px; margin-top: 3px; }
.zhk-row-arrow { margin-left: auto; color: var(--zhk-accent); font-size: 22px; }
.zhk-panel-bottom { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; color: var(--text-secondary); font-size: 12px; }
.zhk-panel-bottom i { width: 3px; height: 3px; background: #93acc2; border-radius: 50%; }
.zhk-recommendation { --zhk-accent: #097cbe; --zhk-tint: #edf7ff; }
.zhk-live { --zhk-accent: #087f80; --zhk-tint: #ecf9f6; }
.zhk-video { --zhk-accent: #6b55b5; --zhk-tint: #f4f0fc; }
.zhk-icon { display: grid; place-items: center; width: 52px; height: 52px; flex: 0 0 52px; border-radius: 14px; color: var(--zhk-accent); background: var(--zhk-tint); }
.zhk-icon svg { width: 27px; height: 27px; }
.zhk-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.zhk-feature-card { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 16px; padding: 30px; background: #fff; transition: transform .2s, box-shadow .2s; }
.zhk-feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.zhk-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.zhk-card-number { color: #c6d3df; font-size: 27px; font-weight: 300; }
.zhk-card-tag { color: var(--zhk-accent); font-size: 12px; font-weight: 500; margin-bottom: 10px; }
.zhk-feature-card h3 { font-size: 23px; margin-bottom: 14px; }
.zhk-feature-card h3 a { color: var(--text); }
.zhk-feature-card > p:not(.zhk-card-tag) { font-size: 14px; line-height: 1.9; color: var(--text-secondary); margin-bottom: 28px; }
.zhk-text-link { display: inline-flex; align-items: center; gap: 14px; font-size: 14px; font-weight: 600; }
.zhk-feature-card .zhk-text-link { margin-top: auto; color: var(--zhk-accent); }
.zhk-value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.zhk-section-intro h2 { color: var(--primary-dark); font-size: 32px; line-height: 1.5; margin-bottom: 20px; text-wrap: balance; }
.zhk-section-intro > p:not(.zhk-eyebrow) { color: var(--text-secondary); font-size: 15px; line-height: 1.95; margin-bottom: 24px; }
.zhk-value-list > div { display: flex; align-items: flex-start; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--border); }
.zhk-value-list > div:first-child { padding-top: 0; }
.zhk-value-list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.zhk-value-list > div > span { color: var(--primary); font-size: 14px; padding-top: 4px; font-weight: 600; }
.zhk-value-list h3 { font-size: 18px; margin-bottom: 6px; }
.zhk-value-list p { font-size: 14px; color: var(--text-secondary); line-height: 1.85; }
.zhk-reading-width { max-width: 900px; }
.zhk-faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.zhk-faq-item:first-child { border-top: 1px solid var(--border); }
.zhk-faq-item summary { cursor: pointer; font-size: 16px; font-weight: 500; padding-right: 12px; color: var(--primary-dark); }
.zhk-faq-item p { margin-top: 14px; color: var(--text-secondary); font-size: 14px; line-height: 1.95; }
.zhk-cta { padding: 48px 0; background: linear-gradient(115deg, #e3f2fd, #eef5ff); border-top: 1px solid #daeafa; }
.zhk-cta > .container { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.zhk-cta h2 { font-size: 27px; color: var(--primary-dark); line-height: 1.5; margin-bottom: 12px; }
.zhk-cta p:not(.zhk-eyebrow) { color: var(--text-secondary); font-size: 14px; }
.zhk-cta .zhk-actions { margin-top: 0; flex-shrink: 0; }
.zhk-cta .btn { flex-shrink: 0; }
.zhk-detail-hero { padding: 108px 0 52px; background: linear-gradient(120deg, #f5faff, var(--zhk-tint)); }
.zhk-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--text-secondary); margin-bottom: 30px; }
.zhk-breadcrumb a { color: var(--text-secondary); }
.zhk-breadcrumb a:hover { color: var(--primary); }
.zhk-detail-heading { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.zhk-detail-heading .zhk-eyebrow { margin-bottom: 0; color: var(--zhk-accent); }
.zhk-detail-hero h1 { font-size: 42px; line-height: 1.3; color: #12385b; }
.zhk-detail-hero h1 > span { display: block; font-size: 26px; font-weight: 500; margin-top: 16px; line-height: 1.5; }
.zhk-detail-intro { max-width: 800px; color: var(--text-secondary); font-size: 16px; line-height: 1.95; margin-top: 20px; }
.zhk-capability-nav { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.zhk-capability-nav > .container { display: flex; gap: 32px; }
.zhk-capability-nav a { padding: 18px 0; color: var(--text-secondary); font-size: 14px; border-bottom: 2px solid transparent; }
.zhk-capability-nav a.active { border-bottom-color: var(--primary); color: var(--primary-dark); font-weight: 600; }
.zhk-capabilities-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.zhk-capability-card { padding: 28px; background: #fff; border: 1px solid var(--border); border-radius: 12px; }
.zhk-small-number { font-size: 13px; color: var(--primary); font-weight: 600; }
.zhk-capability-card h3 { font-size: 19px; margin: 10px 0; }
.zhk-capability-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.9; }
.zhk-workflow { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.zhk-workflow li { border-top: 2px solid #c9deee; padding-top: 20px; }
.zhk-workflow li > span { color: var(--primary); font-size: 24px; font-weight: 300; }
.zhk-workflow h3 { font-size: 17px; margin: 14px 0 8px; }
.zhk-workflow p { font-size: 14px; color: var(--text-secondary); line-height: 1.85; }
.zhk-audience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.zhk-audience-grid article { border-left: 3px solid #c5e3f5; padding-left: 20px; }
.zhk-audience-grid h3 { font-size: 18px; margin-bottom: 12px; }
.zhk-audience-grid p { color: var(--text-secondary); font-size: 14px; line-height: 1.9; }

/* 首页重点推荐，内容独立于既有栏目数据。 */
.home-zhk { background: linear-gradient(115deg, #f3faff, #eff5ff); border-bottom: 1px solid #e0edf7; }
.home-zhk-heading { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-bottom: 32px; }
.home-zhk-label { font-size: 12px; letter-spacing: 1px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.home-zhk-heading h2 { font-size: 32px; color: var(--primary-dark); margin-bottom: 12px; }
.home-zhk-heading h2 > span { font-size: 18px; color: var(--text-secondary); font-weight: 400; margin-left: 22px; }
.home-zhk-heading > div > p:last-child { font-size: 14px; color: var(--text-secondary); line-height: 1.9; }
.home-zhk-heading > .btn { flex-shrink: 0; }
.home-zhk-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.home-zhk-feature { display: flex; flex-direction: column; padding: 26px; border: 1px solid #d9e8f5; background: #fff; border-radius: 12px; color: var(--text); transition: box-shadow .2s, border-color .2s; }
.home-zhk-feature:hover { box-shadow: var(--shadow); border-color: var(--primary-light); }
.home-zhk-feature > span { color: #98b1c9; font-size: 13px; margin-bottom: 12px; }
.home-zhk-feature h3 { color: var(--primary-dark); font-size: 20px; margin-bottom: 12px; }
.home-zhk-feature p { color: var(--text-secondary); font-size: 14px; line-height: 1.85; margin-bottom: 20px; }
.home-zhk-feature strong { color: var(--primary); font-size: 13px; margin-top: auto; }

@media (max-width: 1024px) {
    .zhk-hero-grid { gap: 36px; }
    .zhk-product-panel { padding: 22px; }
    .zhk-feature-card { padding: 24px; }
    .zhk-value-grid { gap: 48px; }
}
@media (max-width: 768px) {
    .zhk-hero { padding: 112px 0 48px; }
    .zhk-hero-grid, .zhk-value-grid { grid-template-columns: 1fr; gap: 36px; }
    .zhk-hero h1 { font-size: 44px; }
    .zhk-hero h1 > span { font-size: 22px; }
    .zhk-hero-description, .zhk-detail-intro { font-size: 15px; }
    .zhk-product-panel { max-width: 560px; width: 100%; }
    .zhk-feature-grid, .zhk-audience-grid, .home-zhk-grid { grid-template-columns: 1fr; }
    .zhk-card-top { margin-bottom: 20px; }
    .zhk-section-intro h2 { font-size: 26px; }
    .zhk-workflow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
    .zhk-cta > .container, .home-zhk-heading { flex-direction: column; align-items: flex-start; gap: 24px; }
    .zhk-cta h2 { font-size: 24px; }
    .zhk-detail-hero { padding: 100px 0 36px; }
    .zhk-detail-hero h1 { font-size: 34px; }
    .zhk-detail-hero h1 > span { font-size: 22px; }
    .zhk-capability-nav > .container { gap: 22px; justify-content: space-between; }
    .zhk-capability-nav a { white-space: nowrap; font-size: 13px; }
    .home-zhk-heading h2 > span { display: block; margin: 10px 0 0; font-size: 17px; }
}
@media (max-width: 480px) {
    .zhk-capabilities-grid { grid-template-columns: 1fr; gap: 16px; }
    .zhk-feature-card, .zhk-capability-card { padding: 24px; }
    .zhk-product-panel { padding: 20px; }
    .zhk-panel-row { padding: 14px; }
    .zhk-capability-nav > .container { gap: 12px; }
    .zhk-detail-heading { gap: 10px; }
    .zhk-detail-heading .zhk-eyebrow { letter-spacing: 0; }
    .zhk-cta .zhk-actions { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
    .zhk-panel-row, .zhk-feature-card, .home-zhk-feature { transition: none; }
}