/* =============================================================
   data-analytics.css —— 网站数据分析
   左文右仪表盘首屏 + 6 埋点 + 左右交错工具 + 深色漏斗
   ============================================================= */

/* 1. 仪表盘首屏 */
.da-hero{
  padding:calc(var(--header-h) + var(--topbar-h) + 60px) 0 90px;
  background:linear-gradient(135deg, var(--paper) 0%, var(--paper-deep) 100%);
}
.da-hero-inner{
  display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;
}
.da-hero-kicker{font-size:12.5px;letter-spacing:.34em;color:var(--earth-deep);margin-bottom:22px}
.da-hero-title{font-size:clamp(28px,4.2vw,46px);line-height:1.35;margin-bottom:22px}
.da-hero-em{color:var(--earth-deep);border-bottom:3px solid var(--earth)}
.da-hero-sub{font-size:15.5px;color:var(--ink-soft);line-height:1.95;margin-bottom:28px;max-width:560px}
.da-hero-actions{margin-bottom:16px}
.da-hero-contact{font-size:13px;color:var(--ink-faint)}
.da-hero-contact a{color:var(--ink);border-bottom:1px dashed var(--line-strong)}
.da-hero-contact a:hover{color:var(--earth-deep)}

.da-hero-visual{display:flex;justify-content:center}
.da-dash{
  width:100%;max-width:420px;background:var(--paper);
  border:1px solid var(--line-strong);border-radius:10px;
  box-shadow:var(--shadow);padding:26px;
}
.da-dash-row{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px;
}
.da-dash-card{
  background:var(--paper-deep);padding:18px 14px;text-align:center;border-radius:6px;
}
.da-dash-card b{
  display:block;font-family:var(--font-serif);font-size:28px;color:var(--earth-deep);
}
.da-dash-card span{font-size:12px;color:var(--ink-faint)}
.da-dash-bar{
  display:flex;height:22px;border-radius:4px;overflow:hidden;margin-bottom:10px;
}
.da-bar{display:block;height:100%}
.da-bar--baidu{background:var(--earth)}
.da-bar--douyin{background:var(--brown)}
.da-bar--other{background:var(--brown-pale)}
.da-bar--w62{width:62%}
.da-bar--w24{width:24%}
.da-bar--w14{width:14%}
.da-dash-legend{
  display:flex;gap:14px;flex-wrap:wrap;font-size:11.5px;color:var(--ink-soft);
}
.da-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:4px;
}
.da-dot--baidu{background:var(--earth)}
.da-dot--douyin{background:var(--brown)}
.da-dot--other{background:var(--brown-pale)}

/* 2. 为什么需要数据 */
.da-why-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.da-why{
  background:var(--paper);padding:28px 22px;border:1px solid var(--line);
  border-top:3px solid var(--earth);
}
.da-why h3{font-size:16.5px;margin-bottom:8px}
.da-why p{font-size:13.5px;color:var(--ink-soft);line-height:1.85}

/* 3. 埋点 */
.da-track-section{background:var(--paper-deep)}
.da-track-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.da-track{
  background:var(--paper);padding:28px 24px;border-left:3px solid var(--earth);
}
.da-track h3{font-size:16.5px;margin-bottom:8px}
.da-track p{font-size:13.5px;color:var(--ink-soft);line-height:1.85}

/* 4. 工具 */
.da-tool-wrap{
  display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:center;
}
.da-tool-copy h2{margin-bottom:18px}
.da-tool-copy .lead{margin-bottom:22px}
.da-tool-copy img{width:100%;border-radius:var(--radius);filter:saturate(.9)}
.da-tool-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.da-tool-list li{
  background:var(--paper);padding:16px 20px;border-left:3px solid var(--earth);
  font-size:13.5px;color:var(--ink-soft);line-height:1.85;
}
.da-tool-list b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:4px;font-family:var(--font-serif)}

/* 5. 漏斗深色 */
.da-funnel-section{background:var(--dark)}
.da-funnel-section .section-title{color:#EFE9DC}
.da-funnel-list{
  max-width:760px;margin:0 auto 24px;display:flex;flex-direction:column;gap:10px;
}
.da-funnel-row{
  display:grid;grid-template-columns:140px 1fr 80px;gap:16px;align-items:center;
}
.da-funnel-step{font-size:13.5px;color:#EFE9DC}
.da-funnel-bar{
  background:rgba(255,255,255,.08);height:26px;border-radius:4px;overflow:hidden;
}
.da-funnel-bar i{
  display:block;height:100%;background:var(--earth);
}
.da-funnel-bar--final i{background:#C8553D}
.da-funnel-w100{width:100%}
.da-funnel-w68{width:68%}
.da-funnel-w42{width:42%}
.da-funnel-w12{width:12%}
.da-funnel-w3{width:3%}
.da-funnel-num{font-size:13px;color:#C9C1B2;text-align:right;font-family:var(--font-mono, monospace)}
.da-funnel-note{
  text-align:center;font-size:13.5px;color:#A49C8C;max-width:640px;margin:0 auto;line-height:1.85;
}

/* 6. 月报 */
.da-report-wrap{
  display:grid;grid-template-columns:1.4fr 1fr;gap:50px;align-items:center;
}
.da-report-wrap .lead{font-size:15px;color:var(--ink-soft);line-height:1.95}
.da-report-wrap a{color:var(--earth-deep);border-bottom:1px solid var(--line)}
.da-report-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.da-report-stats div{
  background:var(--paper);border:1px solid var(--line);
  padding:22px 18px;text-align:center;
}
.da-report-stats b{
  font-family:var(--font-serif);font-size:22px;color:var(--earth-deep);
  display:block;margin-bottom:4px;
}
.da-report-stats span{font-size:12.5px;color:var(--ink-faint)}

/* 7. FAQ */
.da-faq-section{background:var(--paper)}
.da-faq-list{max-width:880px;margin:0 auto}
.da-faq-list a{color:var(--earth-deep);border-bottom:1px solid var(--line)}

/* 8. CTA */
.da-cta-section{
  background:
    linear-gradient(135deg, rgba(42,38,32,.93), rgba(58,53,44,.93)),
    url("../images/banner-contact.jpg") center/cover no-repeat;
  color:#EDE7DA;
}
.da-cta-wrap{
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.da-cta-title{font-size:clamp(24px,3.2vw,36px);color:#EFE9DC;line-height:1.45;margin-bottom:14px}
.da-cta-sub{font-size:14.5px;color:#C9C1B2;margin-bottom:24px}
.da-cta-contacts{display:flex;gap:12px;flex-wrap:wrap}
.da-cta-contact{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(201,193,178,.25);
  padding:11px 16px;border-radius:var(--radius);
}
.da-cta-contact:hover{background:var(--earth);border-color:var(--earth)}
.da-cta-contact svg{width:16px;height:16px;fill:var(--earth-light)}
.da-cta-contact:hover svg{fill:#fff}
.da-cta-contact span{display:flex;flex-direction:column;font-size:13.5px;color:#EDE7DA}
.da-cta-contact small{font-size:10.5px;color:#A49C8C;letter-spacing:.18em}
.da-cta-btn{justify-self:end}

.inline-link{color:var(--earth-deep);border-bottom:1px solid var(--line)}
.inline-link:hover{color:var(--earth)}

@media (max-width:991px){
  .da-hero-inner,.da-tool-wrap,.da-report-wrap,.da-cta-wrap{grid-template-columns:1fr;gap:36px}
  .da-why-grid,.da-track-grid{grid-template-columns:1fr 1fr}
  .da-funnel-row{grid-template-columns:1fr;gap:6px}
  .da-funnel-num{text-align:left}
  .da-cta-btn{justify-self:stretch;text-align:center}
}
@media (max-width:640px){
  .da-why-grid,.da-track-grid,.da-report-stats{grid-template-columns:1fr}
}