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

 
:root {
  --primary: #1a6b4a;
  --primary-light: #e8f5ee;
  --primary-dark: #0f4a32;
  --primary-bg: #f0f9f4;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --bg: #f8faf9;
  --card: #ffffff;
  --text: #1f2937;
  --text2: #6b7280;
  --text3: #9ca3af;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
  --red: #dc2626;
  --red-light: #fef2f2;
  --green: #16a34a;
  --green-light: #f0fdf4;
  --blue: #2563eb;
  --blue-light: #eff6ff;
  --orange: #ea580c;
  --orange-light: #fff7ed;
}

/* Hero */
.hero { background:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #2d9a6a 100%); color:#fff; padding:80px 24px 70px; text-align:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-50%; right:-20%; width:600px; height:600px; background:radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%); border-radius:50%; }
.hero::after { content:''; position:absolute; bottom:-30%; left:-10%; width:400px; height:400px; background:radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%); border-radius:50%; }
.hero h1 { font-size:42px; font-weight:900; margin-bottom:16px; position:relative; letter-spacing:2px; }
.hero p { font-size:18px; opacity:0.9; max-width:600px; margin:0 auto; position:relative; }

/* Container */
.container-newcolumn { max-width:1200px; margin:0 auto; padding:0 20px; }

/* Section */
.section {padding: 54px 20px 10px;}
.section-title { font-size:26px; font-weight:700; margin-bottom:8px; display:flex; align-items:center; gap:12px; color:var(--primary-dark); }
.section-title .icon { width:40px; height:40px; background:var(--primary-light); border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:20px; flex-shrink:0; }
.section-desc { color:var(--text2); margin-bottom:28px; font-size:15px; }

/* Subtitle */
.sub-title { font-size:18px; font-weight:700; margin:28px 0 14px; padding-left:12px; border-left:4px solid var(--primary); color:var(--primary-dark); }

/* HowTo Steps */
.howto-steps { display:flex; flex-direction:column; gap:14px; margin:16px 0; }
.howto-step { display:flex; align-items:flex-start; gap:16px; background:var(--card); border-radius:var(--radius); border:1px solid var(--border); padding:20px 24px; transition:all .3s; }
.howto-step:hover { border-color:var(--primary); box-shadow:0 4px 12px rgba(26,107,74,0.1); }
.step-n { width:36px; height:36px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:15px; font-weight:700; flex-shrink:0; }
.step-content h4 { font-size:15px; font-weight:600; margin-bottom:4px; color:var(--text); }
.step-content p { font-size:13px; color:var(--text2); line-height:1.7; }
.step-content .ref { font-size:11px; color:var(--primary); margin-top:4px; font-style:italic; }

/* Compare 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 16px; text-align:center; font-weight:600; }
.compare-table td { padding:10px 16px; border-bottom:1px solid var(--border); vertical-align:top; line-height:1.6; }
.compare-table td:nth-child(1) { background:var(--red-light); color:var(--red); font-weight:600; min-width:120px; }
.compare-table td:nth-child(2) { background:var(--green-light); color:var(--green); font-weight:600; min-width:140px; }
.compare-table td:nth-child(3) { color:var(--text2); }
.compare-table tr:last-child td { border-bottom:none; }

/* Storage Cards */
.storage-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin:16px 0; }
.storage-card { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); padding:20px; text-align:center; transition:all .3s; }
.storage-card:hover { border-color:var(--primary); transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.storage-card .icon { font-size:32px; margin-bottom:8px; }
.storage-card h4 { font-size:14px; font-weight:700; margin-bottom:6px; color:var(--primary-dark); }
.storage-card p { font-size:12px; color:var(--text2); line-height:1.6; }

/* Transfer Steps */
.transfer-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin:16px 0; }
.transfer-step { background:var(--card); border-radius:var(--radius); border:2px solid var(--primary-light); padding:20px 16px; text-align:center; position:relative; }
.transfer-step::after { content:''; position:absolute; right:-14px; top:50%; transform:translateY(-50%); border-left:8px solid var(--primary); border-top:6px solid transparent; border-bottom:6px solid transparent; }
.transfer-step:last-child::after { display:none; }
.transfer-step .day { font-size:12px; color:var(--primary); font-weight:700; margin-bottom:6px; }
.transfer-step .ratio { font-size:22px; font-weight:900; color:var(--primary-dark); margin-bottom:6px; }
.transfer-step .desc { font-size:12px; color:var(--text2); line-height:1.5; }

/* Segment Compare */
.segment-compare { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin:16px 0; }
.seg-card { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); padding:24px; }
.seg-card h4 { font-size:16px; font-weight:700; margin-bottom:12px; display:flex; align-items:center; gap:8px; }
.seg-card ul { list-style:none; display:flex; flex-direction:column; gap:8px; }
.seg-card li { font-size:13px; color:var(--text2); padding-left:16px; position:relative; line-height:1.6; }
.seg-card li::before { content:''; width:6px; height:6px; border-radius:50%; position:absolute; left:0; top:10px; }
.seg-card.stage li::before { background:var(--primary); }
.seg-card.brand li::before { background:var(--orange); }

/* Hydrolyzed Transition */
.hydro-box { background:linear-gradient(135deg, var(--blue-light), #f0f4ff); border-radius:var(--radius); border:2px solid var(--blue); padding:28px; margin:16px 0; }
.hydro-box h4 { font-size:16px; font-weight:700; color:var(--blue); margin-bottom:14px; }
.hydro-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.hydro-item { background:var(--card); border-radius:8px; padding:16px; }
.hydro-item .label { font-size:11px; font-weight:700; color:var(--blue); margin-bottom:6px; text-transform:uppercase; letter-spacing:1px; }
.hydro-item p { font-size:13px; color:var(--text); line-height:1.6; }

/* Exception Handling */
.exception-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin:16px 0; }
.exception-card { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); padding:20px; border-left:4px solid; }
.exception-card.diarrhea { border-left-color:var(--orange); }
.exception-card.constipation { border-left-color:var(--primary); }
.exception-card.refuse { border-left-color:var(--blue); }
.exception-card.rash { border-left-color:var(--red); }
.exception-card h4 { font-size:15px; font-weight:700; margin-bottom:8px; display:flex; align-items:center; gap:6px; }
.exception-card p { font-size:13px; color:var(--text2); line-height:1.7; }

/* Data Table */
.ref-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; }
.ref-table th { background:var(--primary); color:#fff; padding:12px 14px; text-align:center; font-weight:600; white-space:nowrap; }
.ref-table td { padding:10px 14px; border-bottom:1px solid var(--border); text-align:center; }
.ref-table td:first-child { font-weight:600; text-align:left; white-space:nowrap; }
.ref-table tr:last-child td { border-bottom:none; }
.ref-table .highlight { background:var(--primary-light); font-weight:700; color:var(--primary-dark); }
.ref-table tr:hover td { background:rgba(26,107,74,0.03); }

/* Signal Cards */
.signal-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin:16px 0; }
.signal-card { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); padding:20px; transition:all .3s; }
.signal-card:hover { border-color:var(--primary); transform:translateY(-2px); }
.signal-card .arrow { font-size:24px; margin-bottom:6px; }
.signal-card h4 { font-size:14px; font-weight:700; margin-bottom:6px; }
.signal-card p { font-size:12px; color:var(--text2); line-height:1.6; }

/* Mixed Feeding */
.mix-box { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); padding:24px; margin:16px 0; }
.mix-box h4 { font-size:16px; font-weight:700; margin-bottom:14px; color:var(--primary-dark); }
.mix-steps { display:flex; flex-direction:column; gap:12px; }
.mix-step { display:flex; align-items:flex-start; gap:12px; }
.mix-step .num { width:28px; height:28px; border-radius:50%; background:var(--primary-light); color:var(--primary); display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; flex-shrink:0; }
.mix-step .text { font-size:13px; color:var(--text); line-height:1.6; }

/* Problem Cards */
.problem-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin:16px 0; }
.problem-card { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); overflow:hidden; transition:all .3s; }
.problem-card:hover { border-color:var(--primary); transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.problem-header { padding:18px 20px; display:flex; align-items:center; gap:12px; border-bottom:1px solid var(--border); }
.problem-header .icon { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:22px; flex-shrink:0; }
.problem-header h4 { font-size:16px; font-weight:700; }
.problem-header .tag { font-size:11px; padding:2px 8px; border-radius:4px; font-weight:600; }
.problem-body { padding:20px; }
.problem-body ul { list-style:none; display:flex; flex-direction:column; gap:8px; }
.problem-body li { font-size:13px; color:var(--text); line-height:1.6; padding-left:16px; position:relative; }
.problem-body li::before { content:''; width:6px; height:6px; border-radius:50%; position:absolute; left:0; top:10px; background:var(--primary); }
.problem-body .warn { background:var(--red-light); border-radius:6px; padding:10px 14px; margin-top:12px; font-size:12px; color:var(--red); border-left:3px solid var(--red); }
.problem-body .tip { background:var(--green-light); border-radius:6px; padding:10px 14px; margin-top:12px; font-size:12px; color:var(--green); border-left:3px solid var(--green); }

/* FAQ Accordion */
.faq-list { display:flex; flex-direction:column; gap:12px; margin:16px 0; }
.faq-item { background:var(--card); border-radius:var(--radius); border:1px solid var(--border); overflow:hidden; transition:all .3s; }
.faq-item:hover { border-color:var(--primary); }
.faq-q { padding:18px 24px; font-size:15px; font-weight:600; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:12px; user-select:none; transition:background .2s; }
.faq-q:hover { background:var(--primary-light); }
.faq-q .arrow { transition:transform .3s; color:var(--primary); font-size:14px; flex-shrink:0; }
.faq-item.open .faq-q .arrow { transform:rotate(180deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .4s ease, padding .4s ease; padding:0 24px; }
.faq-item.open .faq-a { max-height:500px; padding:0 24px 20px; }
.faq-a p { font-size:14px; color:var(--text2); line-height:1.8; }





/* Responsive */
@media (max-width:768px) {
  .hero { padding:50px 20px 40px; }
  .hero h1 { font-size:28px; }
  .hero p { font-size:15px; }
  .container { padding:30px 16px; }
  .section-title { font-size:20px; }
  .compare-table { font-size:12px; }
  .compare-table td:nth-child(1), .compare-table td:nth-child(2) { min-width:auto; }
  .transfer-grid { grid-template-columns:1fr 1fr; }
  .transfer-step::after { display:none; }
  .segment-compare { grid-template-columns:1fr; }
  .hydro-grid { grid-template-columns:1fr; }
  .exception-grid { grid-template-columns:1fr; }
  .signal-grid { grid-template-columns:1fr; }
  .problem-grid { grid-template-columns:1fr; }
  .topic-nav-grid { grid-template-columns:1fr 1fr; }
  .nav { display:none; }
}