/* ============================================================
   5-Axis Sub-Pages — Fresh, Light, Readable Style
   Shared stylesheet for all 8 detail sub-pages under
   /services/cnc-machining/5-axis-cnc-machining/
   Design goal: 清爽愉悦感, 不要压抑, 高可读性
   ============================================================ */
:root{
  --sp-blue:#1a56db; --sp-blue-d:#0d3aa8; --sp-navy:#1a2744; --sp-ink:#2d3748;
  --sp-muted:#64748b; --sp-line:#e2e8f0; --sp-bg:#f8fafc; --sp-card:#ffffff;
  --sp-accent:#0891b2; --sp-good:#059669; --sp-warn:#d97706; --sp-bad:#dc2626;
  --sp-3axis:#64748b; --sp-32idx:#0891b2; --sp-5ax:#1a56db;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--sp-ink);background:#fff;line-height:1.72;font-size:16px;-webkit-font-smoothing:antialiased}
.subpage{padding-bottom:60px}
a{color:var(--sp-blue);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}
a:hover{border-bottom-color:var(--sp-blue)}
img{max-width:100%;height:auto}

/* WRAP */
.sp-wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* HERO — light gradient, not heavy navy */
.sp-hero{background:linear-gradient(135deg,#eef4ff 0%,#dbeafe 40%,#bfdbfe 100%);padding:52px 0 44px;border-bottom:1px solid var(--sp-line)}
.sp-breadcrumb{font-size:13px;color:var(--sp-muted);margin-bottom:18px}
.sp-breadcrumb a{color:var(--sp-muted);border:none}
.sp-breadcrumb a:hover{color:var(--sp-blue)}
.sp-breadcrumb span{color:var(--sp-ink);font-weight:600}
.sp-hero-label{display:inline-block;background:var(--sp-blue);color:#fff;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;padding:4px 12px;border-radius:99px;margin-bottom:14px}
.sp-hero h1{font-size:34px;line-height:1.22;margin:0 0 16px;color:var(--sp-navy);font-weight:800;letter-spacing:-.01em}
.sp-hero-sub{font-size:17px;color:var(--sp-ink);max-width:820px;margin:0 0 20px;line-height:1.7}
.sp-hero-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:var(--sp-muted)}
.sp-hero-meta b{color:var(--sp-navy)}

/* SECTIONS — generous whitespace */
.sp-sec{padding:42px 0;border-bottom:1px solid var(--sp-line)}
.sp-h2{font-size:26px;margin:0 0 6px;color:var(--sp-navy);font-weight:800;position:relative;padding-left:14px}
.sp-h2:before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--sp-blue),var(--sp-accent))}
.sp-intro{font-size:16.5px;color:var(--sp-ink);margin:0 0 20px;max-width:840px;line-height:1.7}

/* ANSWER BOX — answer-first pattern for GEO */
.sp-answer-box{background:linear-gradient(135deg,#eff6ff,#f0f9ff);border:1px solid #bae6fd;border-radius:14px;padding:24px 28px;margin:16px 0}
.sp-answer-box ol{margin:10px 0 6px 20px;padding:0}
.sp-answer-box li{margin:8px 0;font-size:15.5px;line-height:1.65}
.sp-answer-box strong{color:var(--sp-blue-d)}
.sp-answer-note{margin-top:14px;padding-top:14px;border-top:1px solid #bae6fd;font-size:14.5px;color:var(--sp-muted)}

/* NOTE CALLOUT */
.sp-note{background:var(--sp-bg);border-left:4px solid var(--sp-accent);padding:14px 20px;border-radius:0 10px 10px 0;margin:18px 0;font-size:15px;line-height:1.65;color:var(--sp-ink)}
.sp-note strong{color:var(--sp-blue-d)}

/* 3-COLUMN CARDS */
.sp-cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:18px}
.sp-card{background:var(--sp-card);border:1px solid var(--sp-line);border-radius:14px;padding:24px;transition:transform .2s,box-shadow .2s;overflow:hidden}
.sp-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(26,86,219,.08)}
.sp-card--3axis{border-top:4px solid var(--sp-3axis)}
.sp-card--32{border-top:4px solid var(--sp-32idx)}
.sp-card--5axis{border-top:4px solid var(--sp-5ax)}
.sp-card-badge{display:inline-block;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--sp-muted);margin-bottom:6px}
.sp-card--3axis .sp-card-badge{color:var(--sp-3axis)}
.sp-card--32 .sp-card-badge{color:var(--sp-32idx)}
.sp-card--5ax .sp-card-badge{color:var(--sp-5ax)}
.sp-card h3{font-size:19px;margin:0 0 8px;color:var(--sp-navy);font-weight:700}
.sp-card-desc{font-size:14.5px;color:var(--sp-muted);margin:0 0 16px;line-height:1.6}
.sp-card-body h4{font-size:15px;color:var(--sp-blue-d);margin:16px 0 8px;font-weight:700}
.sp-card-body h4:first-child{margin-top:8px}
.sp-card-body ul{margin:0 0 0 18px;padding:0}
.sp-card-body li{margin:5px 0;font-size:14.5px;line-height:1.6}
.sp-card--plain{border-top:none}

/* TABLES */
.sp-table-wrap{overflow-x:auto;margin:16px 0;border-radius:12px;border:1px solid var(--sp-line)}
table.sp-table{border-collapse:collapse;width:100%;min-width:600px;font-size:14.5px;background:#fff}
table.sp-table th{background:var(--sp-navy);color:#fff;text-align:left;padding:13px 16px;font-weight:700;font-size:14px}
table.sp-table td{padding:12px 16px;border-bottom:1px solid var(--sp-line);vertical-align:top;line-height:1.6}
table.sp-table tbody tr:nth-child(even){background:#fafbfc}
table.sp-table tbody tr:hover{background:#f0f7ff}
table.sp-table strong{color:var(--sp-navy)}

/* FLOWCHART */
.sp-flowchart{background:var(--sp-bg);border:1px solid var(--sp-line);border-radius:14px;padding:28px 24px;margin:16px 0}
.sp-fc-start{background:var(--sp-navy);color:#fff;text-align:center;padding:12px 20px;border-radius:10px;font-weight:700;font-size:15px;display:inline-block;margin:0 auto}
.sp-fc-arrow{text-align:center;font-size:20px;color:var(--sp-accent);margin:6px 0}
.sp-fc-q{background:#fff;border:2px solid var(--sp-blue);border-radius:10px;padding:16px 20px;font-size:15px;line-height:1.65;margin:10px auto;max-width:720px;font-weight:500}
.sp-fc-q strong{color:var(--sp-blue-d)}
.sp-fc-branch{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:8px 0}
.sp-fc-yes,.sp-fc-no{background:#fff;border:1px solid var(--sp-line);border-radius:10px;padding:14px;text-align:center}
.sp-fc-yes{border-color:var(--sp-good)}
.sp-fc-tag{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 12px;border-radius:99px;margin-bottom:8px}
.sp-fc-yes .sp-fc-tag{background:#ecfdf5;color:var(--sp-good)}
.sp-fc-no .sp-fc-tag{background:#fef3c7;color:var(--sp-warn)}
.sp-fc-result{font-size:14.5px;line-height:1.6;padding:10px;border-radius:8px;margin-top:4px}
.sp-fc-result--5{background:#eff6ff;color:var(--sp-blue-d);border-left:3px solid var(--sp-5ax)}
.sp-fc-result--32{background:#f0fdfa;color:var(--sp-32idx);border-left:3px solid var(--sp-32idx)}
.sp-fc-result--3{background:#f8fafc;color:var(--sp-3axis);border-left:3px solid var(--sp-3axis)}
.sp-fc-result--review{background:#fffbeb;color:var(--sp-warn);border-left:3px solid var(--sp-warn)}

/* 2-COL */
.sp-2col{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:10px}
.sp-verdict{margin-top:14px;padding:12px 16px;border-radius:8px;font-weight:700;font-size:14px}
.sp-verdict--warn{background:#fffbeb;color:var(--sp-warn);border-left:3px solid var(--sp-warn)}
.sp-verdict--bad{background:#fef2f2;color:var(--sp-bad);border-left:3px solid var(--sp-bad)}

/* EXAMPLES */
.sp-examples{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:14px}
.sp-ex{background:#fff;border:1px solid var(--sp-line);border-radius:12px;padding:20px;transition:box-shadow .2s}
.sp-ex:hover{box-shadow:0 8px 24px rgba(26,86,219,.07)}
.sp-ex-tag{display:inline-block;background:#eff6ff;color:var(--sp-blue-d);font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;margin-bottom:10px}
.sp-ex h4{font-size:16.5px;margin:0 0 12px;color:var(--sp-navy)}
.sp-mini-table{width:100%;border-collapse:collapse;font-size:14px}
.sp-mini-table td{padding:7px 10px;border-bottom:1px solid var(--sp-line);vertical-align:top;line-height:1.55}
.sp-mini-table td:first-child{font-weight:600;color:var(--sp-navy);white-space:nowrap;width:36%}
.sp-mini-table tr:last-child td{border-bottom:none}

/* TAGS */
.sp-tag-3{background:#f1f5f9;color:var(--sp-3axis);padding:2px 10px;border-radius:5px;font-weight:700;font-size:13px}
.sp-tag-32{background:#ecfeff;color:var(--sp-32idx);padding:2px 10px;border-radius:5px;font-weight:700;font-size:13px}
.sp-tag-5{background:#eff6ff;color:var(--sp-5ax);padding:2px 10px;border-radius:5px;font-weight:700;font-size:13px}
.sp-tag-mix{background:#faf5ff;color:#7c3aed;padding:2px 10px;border-radius:5px;font-weight:700;font-size:13px}

/* FAQ */
.sp-faq details{border:1px solid var(--sp-line);border-radius:10px;padding:4px 20px;margin:10px 0;background:#fff}
.sp-faq summary{font-weight:700;color:var(--sp-navy);padding:14px 0;cursor:pointer;font-size:16px;list-style:none}
.sp-faq summary::-webkit-details-marker{display:none}
.sp-faq summary:before{content:"+";color:var(--sp-blue);font-weight:800;margin-right:10px;font-size:17px}
.sp-faq details[open] summary:before{content:"\2212"}
.sp-faq-a{padding:0 0 16px;color:var(--sp-ink);font-size:15.5px;line-height:1.7}

/* CTA */
.sp-cta{background:linear-gradient(135deg,var(--sp-navy),#2d3a52)!important;border:none!important}
.sp-cta-box{text-align:center;padding:20px 0}
.sp-cta-box h2{color:#fff;margin:0 0 10px;font-size:25px}
.sp-cta-box p{color:#cbd5e1;max-width:680px;margin:0 auto 18px;font-size:16px;line-height:1.65}
.sp-cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--sp-blue);color:#fff;border:none;padding:14px 30px;border-radius:10px;font-weight:700;font-size:16px;cursor:pointer;transition:background .2s}
.sp-cta-btn:hover{background:var(--sp-blue-d)}
.sp-cta-conf{font-size:13.5px;color:#94a3b8;margin-top:12px}

/* RELATED LINKS */
.sp-rel{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.sp-rel a{background:#f0f7ff;border:1px solid #bae6fd;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--sp-blue-d);border:none;transition:background .2s}
.sp-rel a:hover{background:#e0f2fe}

/* STEPS (for datum & CAM pages) */
.sp-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:16px}
.sp-step{display:flex;gap:16px;background:#fff;border:1px solid var(--sp-line);border-radius:12px;padding:20px;transition:box-shadow .2s}
.sp-step:hover{box-shadow:0 8px 24px rgba(26,86,219,.07)}
.sp-step-num{flex:none;width:42px;height:42px;background:var(--sp-navy);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;letter-spacing:-.02em}
.sp-step-body h3{font-size:17px;color:var(--sp-navy);margin:0 0 8px;font-weight:700}
.sp-step-body p{font-size:14.5px;color:var(--sp-ink);margin:0 0 8px;line-height:1.65}
.sp-step-body ul{margin:0 0 0 16px;padding:0}
.sp-step-body li{margin:4px 0;font-size:14px;line-height:1.6}

/* FLOW STEPS (for CAM workflow) */
.sp-flow-steps{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.sp-fs{display:flex;gap:14px;background:#fff;border:1px solid var(--sp-line);border-radius:12px;padding:18px 20px;transition:box-shadow .2s}
.sp-fs:hover{box-shadow:0 6px 20px rgba(26,86,219,.06)}
.sp-fs-n{flex:none;width:34px;height:34px;background:linear-gradient(135deg,var(--sp-blue),var(--sp-accent));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13.5px;font-weight:800;align-self:flex-start;margin-top:2px}
.sp-fs-body h4{font-size:15.5px;color:var(--sp-navy);margin:0 0 6px;font-weight:700}
.sp-fs-body p{font-size:14px;color:var(--sp-ink);margin:0;line-height:1.65}

/* CERT GRID */
.sp-cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.sp-cert{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:1px solid #bae6fd;border-radius:12px;padding:18px 20px}
.sp-cert b{display:block;font-size:15px;color:var(--sp-navy);margin-bottom:4px}
.sp-cert span{font-size:13.5px;color:var(--sp-muted);line-height:1.55}

/* RESPONSIVE */
@media(max-width:900px){
  .sp-cards-3,.sp-fc-branch,.sp-2col,.sp-examples{grid-template-columns:1fr}
  .sp-hero h1{font-size:27px}
  .sp-h2{font-size:23px}
  table.sp-table{font-size:13.5px}
  table.sp-table td,.sp-table th{padding:10px 12px}
}
@media(max-width:520px){
  .sp-hero h1{font-size:23px}
  .sp-hero-sub{font-size:15.5px}
  .sp-h2{font-size:21px}
  .sp-cards-3{grid-template-columns:1fr}
}