@charset "utf-8";
/* CSS Document */

 :root{--primary:#1a6b4a;--primary-light:#e8f5ee;--primary-dark:#0f4a32;--accent:#f59e0b;--bg:#f8faf9;--card:#fff;--text:#1f2937;--text2:#6b7280;--border:#e5e7eb;--radius:12px}



.hero{background:linear-gradient(135deg,var(--primary-dark),var(--primary),#2d9a6e);color:#fff;padding:60px 24px;text-align:center;position:relative;overflow:hidden}
/*.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,.08),transparent);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.05),transparent);border-radius:50%}*/
.hero h1{font-size:38px;font-weight:900;position:relative;z-index:1}
.hero p{opacity:.9;margin-top:10px;font-size:17px;position:relative;z-index:1}

.container-newcolumn{max-width:1200px;margin:0 auto;padding:50px 20px}
.navigation .container-newcolumn{padding:0px 20px}

/* Section titles */
.section-title{font-size:26px;font-weight:800;color:var(--primary);margin-bottom:24px;padding-bottom:12px;border-bottom:3px solid var(--primary);display:flex;align-items:center;gap:10px}
.section-title .icon{width:36px;height:36px;background:var(--primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}

/* Stage timeline navigation */
.stage-timeline{display:flex;gap:10px;margin-bottom:40px;overflow-x:auto;padding-bottom:8px}
.stage-tab{flex-shrink:0;padding:14px 22px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;border:2px solid var(--border);background:var(--card);text-align:center;min-width:130px}
.stage-tab:hover{border-color:var(--primary);background:var(--primary-light)}
.stage-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.stage-tab .age{font-size:12px;opacity:.7;margin-top:2px}

.stage-panel{display:none}
.stage-panel.active{display:block}

/* Info cards */
.info-card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);padding:28px;margin-bottom:24px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.info-card h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.info-card p{font-size:14px;color:var(--text2);margin-bottom:8px}

/* Data list */
.data-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:16px}
.data-item{background:var(--primary-light);padding:16px;border-radius:10px;display:flex;align-items:flex-start;gap:12px}
.data-item .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex-shrink:0;margin-top:7px}
.data-item .content{font-size:14px;line-height:1.6}
.data-item strong{color:var(--primary)}

/* Milestone table */
.milestone-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);font-size:13px;margin:16px 0}
.milestone-table th{background:var(--primary);color:#fff;padding:12px 14px;text-align:center;font-weight:600}
.milestone-table td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:center}
.milestone-table tr:last-child td{border-bottom:none}
.milestone-table td:first-child{font-weight:600;text-align:left;background:var(--primary-light);color:var(--primary)}

/* Product comparison table */
.product-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);font-size:13px;margin:16px 0}
.product-table th{background:var(--primary);color:#fff;padding:12px 10px;text-align:center;font-weight:600;font-size:12px}
.product-table td{padding:10px;border-bottom:1px solid var(--border);text-align:center;font-size:13px}
.product-table tr:last-child td{border-bottom:none}
.product-table td:first-child{font-weight:700;text-align:left;background:var(--primary-light);color:var(--primary-dark);min-width:120px}
.product-table tr:hover td{background:rgba(26,107,74,.04)}
.product-table .best{color:var(--primary);font-weight:700}

/* Recommend badges */
.recommend-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:20px}
.recommend-item{background:var(--card);border-radius:var(--radius);border:2px solid var(--border);padding:22px;transition:all .3s}
.recommend-item:hover{border-color:var(--primary);box-shadow:0 4px 16px rgba(26,107,74,.12);transform:translateY(-2px)}
.recommend-item .badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:6px;margin-bottom:10px;background:var(--primary);color:#fff}
.recommend-item .badge.gold{background:var(--accent);color:#fff}
.recommend-item h4{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--text)}
.recommend-item .desc{font-size:13px;color:var(--text2);line-height:1.6}
.recommend-item .price{font-size:14px;font-weight:700;color:var(--primary);margin-top:8px}

/* Key indicator cards */
.indicator-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:16px}
.indicator-card{background:var(--primary-light);border-radius:10px;padding:18px;text-align:center;border:1px solid rgba(26,107,74,.12)}
.indicator-card .label{font-size:12px;color:var(--text2);margin-bottom:6px}
.indicator-card .value{font-size:20px;font-weight:800;color:var(--primary)}
.indicator-card .sub{font-size:11px;color:var(--text2);margin-top:4px}

/* Alert box */
.alert-box{background:linear-gradient(135deg,#fff8e1,#fffde7);border:2px solid var(--accent);border-radius:var(--radius);padding:22px;margin:20px 0}
.alert-box h4{font-size:15px;font-weight:700;color:#b45309;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.alert-box p{font-size:14px;color:#92400e;line-height:1.7}

/* Comparison big table */
.compare-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);font-size:13px;margin:16px 0}
.compare-table th{background:var(--primary);color:#fff;padding:12px 14px;text-align:center;font-weight:600}
.compare-table th.sub{background:var(--primary-dark);font-size:12px}
.compare-table td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:center}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td:first-child{font-weight:600;text-align:left;background:var(--primary-light);color:var(--primary-dark)}
.compare-table .highlight{background:var(--primary-light);font-weight:700;color:var(--primary)}

/* FAQ section */
.faq-section{margin-top:40px}
.faq-item{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);margin-bottom:12px;overflow:hidden;transition:all .2s}
.faq-item:hover{border-color:var(--primary)}
.faq-q{padding:18px 22px;font-weight:600;font-size:15px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .2s}
.faq-q:hover{background:var(--primary-light)}
.faq-q .arrow{transition:transform .2s;font-size:12px;color:var(--primary)}
.faq-q.open .arrow{transform:rotate(90deg)}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:all .3s;font-size:14px;color:var(--text2);line-height:1.8}
.faq-a.open{padding:0 22px 18px;max-height:400px}

/* Navigation grid */
.nav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:20px}
.nav-card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);padding:18px;text-align:center;transition:all .3s;font-size:14px;font-weight:500}
.nav-card:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-2px)}
.nav-card .nav-icon{font-size:28px;margin-bottom:6px}

/* Transition guide */
.step-flow{display:flex;gap:0;margin:20px 0;flex-wrap:wrap;align-items:center}
.step-flow .step{background:var(--primary);color:#fff;padding:12px 20px;border-radius:10px;font-size:13px;font-weight:600;text-align:center;flex:1;min-width:120px}
.step-flow .arrow-r{font-size:20px;color:var(--primary);padding:0 6px;font-weight:700}

.footer{background:var(--primary-dark);color:rgba(255,255,255,.7);padding:30px 24px;text-align:center;font-size:13px}
.footer a{color:rgba(255,255,255,.9)}
.footer .links{display:flex;justify-content:center;gap:20px;margin-bottom:12px;flex-wrap:wrap}

@media(max-width:768px){
  .hero h1{font-size:26px}
  .hero p{font-size:15px}
  .nav{display:none}
  .data-list{grid-template-columns:1fr}
  .recommend-list{grid-template-columns:1fr}
  .indicator-grid{grid-template-columns:1fr 1fr}
  .section-title{font-size:20px}
  .milestone-table,.product-table,.compare-table{font-size:11px}
  .milestone-table th,.milestone-table td,.product-table th,.product-table td,.compare-table th,.compare-table td{padding:8px 6px}
  .step-flow{flex-direction:column}
  .step-flow .arrow-r{transform:rotate(90deg);padding:4px 0}
}